Electronic device, information processing device, adapter device, and information exchange system

• US 20040030808A1
• Filed: 07/25/2003
• Published: 02/12/2004
• Est. Priority Date: 06/28/2001
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Okaue, Takumi, Sasaki, Junko
• Granted Patent: US 6,944,703 B2
• Time in Patent Office: Days
• US Class Current: 710/3
• CPC Class Codes: G06F 13/385 for adaptation of a particular data processing system to different peripheral devices
• CPC Class Codes: G06F 3/0607 by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
• CPC Class Codes: G06F 3/0634 by changing the state or mode of one or more devices
• CPC Class Codes: G06F 3/0656 Data buffering arrangements
• CPC Class Codes: G06F 3/0679 Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]

Abstract

An electronic device, information processing device, and adapter device enabling smooth internal circuit switching and other operations are provided. In the electronic device 200, the serial interface 21 and parallel interface 22 are connected via a data bus 23 to the register 24 and data buffer 25, and this data buffer 25 is connected to an ECC circuit 26. The register 24, data buffer 25 and ECC circuit 26 are connected to the memory 28 via a memory interface and sequencer circuit 27. The register 24 is connected to the controller 29, and data input and output is controlled. The interfaces 21 and 22 are switched by means of control signals from this controller 29. That is, switching between these interfaces 21 and 22 is performed through discrimination, by the controller 29, of a portion of the data written to the register 24.

Claims

1. An electronic device, detachably provided in an information processing device, having a card-shaped housing comprising a plurality of terminals, an input/output means having a function for data input/output by serial transfer and a function for data input/output by parallel transfer, and a register comprising a prescribed write area and read area and in which is stored a setting to indicate the functions of the electronic device itself;

wherein a prescribed value, indicating that said input/output means has said function for data input/output by serial transfer and said function for data input/output by parallel transfer, is stored at a prescribed address of said register.

2. The electronic device according to claim 1, characterized in that a prescribed value, indicating that said input/output means has both said function for data input/output by serial transfer and said function for data input/output by parallel transfer, is stored in said register;

and,

the prescribed value stored in said register is transmitted to said information processing device via said input/output means, in response to a register read instruction from said information processing device.

3. The electronic device according to claim 1, characterized in that, based on the setting from said information processing device, it is decided whether said input/output means executes said function for data input/output by serial transfer or executes said function for data input/output by parallel transfer.

4. The electronic device according to claim 1, characterized in that, in the initial state, said function for data input/output by serial transfer is executed;

when a prescribed identification bit in a write area of said register is changed, said function for data input/output by parallel transfer is executed; and

, when the prescribed identification bit in the write area of said register is returned to the original value, said function for data input/output by serial transfer is executed.

5. The electronic device according to claim 1, characterized in that memory functions are provided;

an address conversion function to convert between logical addresses for processing of said data and physical addresses for said memory functions is incorporated; and

, a prescribed code is recorded at a prescribed address of said register, indicating the incorporation of said address conversion function.

6. The electronic device according to claim 1, characterized in that a plurality of types of said memory functions are stipulated, and that a prescribed code indicating said memory function types is recorded at a prescribed address of said register.

7. An electronic device, detachably provided in an information processing device, having:

a card-shaped housing comprising a plurality of terminals;

a register, comprising a prescribed write area and read area, in which is stored a setting indicating the functions of the electronic device itself;

a memory function, managed using physical addresses; and

,

an address conversion function, which converts between logical addresses for processing of said data and physical addresses for said memory function; and

characterized in that

a prescribed value, indicating the incorporation of said address conversion function, is stored at a prescribed address of said register.

8. The electronic device according to claim 7, having input/output means which has a function for data input/output by serial transfer and a function for data input/output by parallel transfer, and characterized in that a prescribed value is stored at a prescribed address of said register, indicating that said input/output means has said function for data input/output by serial transfer and said function for data input/output by parallel transfer.

9. The electronic device according to claim 7, having input/output means which has a function for data input/output by serial transfer and a function for data input/output by parallel transfer, and characterized in that a prescribed value is stored in said register, indicating that said input/output means has both said function for data input/output by serial transfer and said function for data input/output by parallel transfer;

and,

the prescribed value stored in said register is transmitted to said information processing device via said input/output means in response to a register read instruction from said information processing device.

10. The electronic device according to claim 7, having input/output means which has a function for data input/output by serial transfer and a function for data input/output by parallel transfer, and characterized in that, based on a setting from said information processing device, it is decided whether said input/output means executes said function for data input/output by serial transfer or executes said function for data input/output by parallel transfer.

11. The electronic device according to claim 7, having input/output means which has a function for data input/output by serial transfer and a function for data input/output by parallel transfer, and characterized in that

in the initial state, said function for data input/output by serial transfer is executed;

when a prescribed identification bit in a write area of said register is changed, said function for data input/output by parallel transfer is executed; and

,

when the prescribed identification bit in the write area of said register is returned to the original value, said function for data input/output by serial transfer is executed.

12. The electronic device according to claim 7, characterized in that

a memory function is provided;

a plurality of types of said memory function are stipulated; and

,

a prescribed code indicating the type of said memory function is recorded at a prescribed address of said register.

13. An information processing device, which performs data input and output with a detachable electronic device, having control means to read a value in a register comprised by said electronic device and recognize a setting indicating a function of said electronic device;

and characterized in that

said control means reads the setting in said register of said electronic device, and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer.

14. The information processing device according to claim 13, characterized in that

when the setting in said register of said electronic device indicates that the input/output means of said electronic device has only a function for data input/output by serial transfer, the control means recognizes that electronic device as a first electronic device;

and,

when the setting in said register of said electronic device indicates that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, the control means recognizes that electronic device as a second electronic device.

15. The information processing device according to claim 13, characterized in that, when said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, said information processing device has transmission means which transmits to said electronic device an instruction to decide whether to execute said function for data input/output by serial transfer or to execute said function for data input/output by parallel transfer.

16. The information processing device according to claim 13, characterized in that, when said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer:

in the initial state said function for data input/output by serial transfer is executed;

when said function for data input/output by parallel transfer is to be executed, a prescribed identification bit in the write area of said register is changed; and

,

when said function for data input/output by serial transfer is to be executed, the prescribed identification bit in the write area of said register is returned to the original value.

17. The information processing device according to claim 13, characterized in that

an address conversion function, to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device, is incorporated;

and,

when a prescribed code, indicating that said electronic device has an address conversion function to convert between logical addresses for processing of said data and physical addresses for said memory functions, is written at a prescribed address in said register, said incorporated address conversion function is rendered inactive.

18. The information processing device according to claim 13, characterized in that a plurality of memory functions in said electronic device are stipulated, and that, when a prescribed code indicating one of said memory function types is written at a prescribed address of said register, processing is performed according to said memory function type.

19. An information processing device, which performs data input and output with a detachable electronic device, characterized in that

said information processing device has control means which reads a value in a register comprised by said electronic device, and recognizes a setting indicating a function of said electronic device;

and,

said control means reads a setting in said register of said electronic device, and judges whether an address conversion function, which converts between logical addresses for data processing and physical addresses for said electronic device, is incorporated in said electronic device.

20. The information processing device according to claim 19, characterized in that

when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in said electronic device is incorporated within said electronic device, said control means recognizes that electronic device as a first electronic device;

and,

when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in said electronic device is not incorporated within said electronic device, said control means recognizes that electronic device as a second electronic device.

21. The information processing device according to claim 19, characterized in that

said control means reads a setting in said register of said electronic device, and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer;

when the setting in said register of said electronic device indicates that the input/output means of said electronic device has only a function for data input/output by serial transfer, said control means recognizes that electronic device as a first electronic device; and

,

when the setting in said register of said electronic device indicates that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, said control means recognizes that electronic device as a second electronic device.

22. The information processing device according to claim 19, characterized in that said control means has transmission means which, when said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, if said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, transmits to said electronic device an instruction which decides whether to execute said function for data input/output by serial transfer or to execute said function for data input/output by parallel transfer.

23. The information processing device according to claim 19, characterized in that, when said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, if said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer:

in the initial state said function for data input/output by serial transfer is executed;

when said function for data input/output by parallel transfer is to be executed, a prescribed identification bit in the write area of said register is changed; and

,

when said function for data input/output by serial transfer is to be executed, the prescribed identification bit in the write area of said register is returned to the original value.

24. The information processing device according to claim 19, characterized in that a plurality of types of memory functions in said electronic device are stipulated, and that when a prescribed code indicating one of said memory function types is written at a prescribed address of said register, processing is performed according to said memory type.

25. An adapter device, provided between an electronic device which is provided detachably in an information processing device and said information processing device which performs data input and output with said electronic device, having control means which reads a value in a register comprised by said electronic device and recognizes a setting indicating a function of said electronic device;

and characterized in that said control means reads a setting in said register of said electronic device, and judges whether input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer.

26. The adapter device according to claim 25, characterized in that, when a setting in said register of said electronic device indicates that the input/output means of said electronic device has only a function for data input/output by serial transfer, said control means recognizes that electronic device as a first electronic device;

and, when a setting in said register of said electronic device indicates that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, said control means recognizes that electronic device as a second electronic device.

27. The adapter device according to claim 25, having transmission means which, when said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, transmits to said electronic device an instruction to decide whether to execute said function for data input/output by serial transfer or to execute said function for data input/output by parallel transfer.

28. The adapter device according to claim 25, characterized in that, when said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, in the initial state said function for data input/output by serial transfer is executed;

when said function for data input/output by parallel transfer is to be executed, a prescribed identification bit in a write area of said register is changed; and

, when said function for data input/output by serial transfer is to be executed, a prescribed identification bit in the write area of said register is returned to the original value.

29. The adapter device according to claim 25, characterized in that an address conversion function is incorporated which converts between logical addresses for processing of said data and physical addresses for memory functions of said electronic device, and, when a prescribed code is written at a prescribed address of said register indicating that said electronic device has an address conversion function to convert between logical addresses for processing of said data and physical addresses for said memory functions, said incorporated address conversion function is rendered inactive.

30. The adapter device according to claim 25, characterized in that a plurality of types of memory functions in said electronic device are stipulated, and that, when a prescribed code is written at a prescribed address of said register indicating one of said memory function types, processing corresponding to said memory function type is performed.

31. The adapter device according to claim 25, characterized in that, when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in said electronic device is incorporated in said electronic device, said control means recognizes that electronic device as a first electronic device, and when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in said electronic device is not incorporated in said electronic device, said control means recognizes that electronic device as a second electronic device.

32. An adapter device, provided between an electronic device which is provided detachably in an information processing device and said information processing device which performs data input and output with said electronic device, having control means which reads a value in a register comprised by said electronic device and recognizes a setting indicating a function of said electronic device;

and characterized in that

said control means reads a setting in said register of said electronic device, and judges whether an address conversion function to convert between logical addresses for data processing and physical addresses for said electronic device is incorporated within said electronic device.

33. The adapter device according to claim 32, characterized in that, when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in said electronic device is incorporated in said electronic device, said control means recognizes that electronic device as a first electronic device, and when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in said electronic device is not incorporated in said electronic device, said control means recognizes that electronic device as a second electronic device.

34. The adapter device according to claim 32, characterized in that

said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer;

when a setting in said register of said electronic device indicates that the input/output means of said electronic device has only a function for data input/output by serial transfer, said control means recognizes that electronic device as a first electronic device; and

,

when a setting in said register of said electronic device indicates that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, said control means recognizes that electronic device as a second electronic device.

35. The adapter device according to claim 32, characterized in that said control means has transmission means which, when said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, if said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, transmits to said electronic device an instruction to decide whether to execute said function for data input/output by serial transfer or to execute said function for data input/output by parallel transfer.

36. The adapter device according to claim 32, characterized in that, when said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, if said control means judges that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, in the initial state said control means executes said function for data input/output by serial transfer;

when said function for data input/output by parallel transfer is to be executed, said control means changes a prescribed identification bit in a write area of said register; and

, when said data input/output by serial transfer is to be performed, returns the prescribed identification bit in the write area of said register to the original value.

37. The adapter device according to claim 32, characterized in that a plurality of types of memory functions in said electronic device are stipulated, and that, when a prescribed code indicating one of said memory function types is written at a prescribed address in said register, processing is performed according to said memory function type.

38. An information exchange system, comprising an information processing device and an electronic device detachably provided in said information processing device, and characterized in that

said information processing device judges whether a register, having a prescribed write area and read area and in which is stored a setting indicating functions of said electronic device, is provided in said electronic device;

when said register is not provided, said electronic device is recognized as a first electronic device comprising only memory functions; and

,

when said register is provided, a setting stored in said register is read, and said electronic device is recognized as a second electronic device also comprising functions other than memory functions, and functions executed by said electronic device are identified according to the setting stored in said register.

39. The information exchange system according to claim 38, characterized in that, when said register is provided in said electronic device, an instruction to read said register is transmitted from said information processing device to said electronic device, and a prescribed value stored in said register to identify whether said input/output means has both said function for data input/output by serial transfer and said function for data input/output by parallel transfer is read from said register via said input/output means.

40. The information exchange system according to claim 38, characterized in that, when said register is provided in said electronic device, an instruction is transmitted from said information processing device to said electronic device which decided whether said input/output means executes said function for data input/output by serial transfer or executes said function for data input/output by parallel transfer.

41. The information exchange system according to claim 38, characterized in that in the initial state, said function for data input/output by serial transfer is executed;

when said function for data input/output by parallel transfer is to be executed, a prescribed identification bit in a write area of said register is changed; and

, when said function for data input/output by serial transfer is to be executed, the prescribed identification bit in the write area of said register is returned to the original value.

42. The information exchange system according to claim 38, characterized in that said electronic device incorporates an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device, and that a prescribed code indicating the incorporation of said address conversion function is written at a prescribed address of said register.

43. The information exchange system according to claim 38, characterized in that said information processing device incorporates an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device, and that a prescribed code is written at a prescribed address of said register, indicating that said electronic device has an address conversion function to convert between logical addresses for processing of said data and physical addresses for said memory functions.

44. The information exchange system according to claim 38, characterized in that a plurality of types of memory functions in said electronic device are stipulated, and that when a prescribed code indicating one of said memory function types is written at a prescribed address of said register, processing is performed according to said memory function type.

45. The information exchange system according to claim 38, characterized in that said electronic device incorporates an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device, and that a prescribed code is provided at a prescribed address of said register, indicating that said function for data input/output by parallel transfer is provided.

46. The information exchange system according to claim 38, characterized in that said information processing device incorporates an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device, and that when a prescribed code indicating that said function for data input/output by parallel transfer is not provided at the prescribed address in said register, said incorporated address conversion function is used.

47. An information exchange system, comprising an information processing device and an electronic device, detachably provided in said information processing device, having control means which reads a value in a register comprised by said electronic device, and recognizes a setting indicating the functions of said electronic device, and characterized in that said control means reads a setting in said register of said electronic device and judges whether said electronic device incorporates an address conversion function to convert between logical addresses for data processing and physical addresses for said electronic device.

48. The information exchange system according to claim 47, characterized in that, when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in the electronic device is incorporated in said electronic device, said control means recognizes that electronic device as a first electronic device;

and,

when a setting in said register indicates that an address conversion function to convert between logical addresses for data processing and physical addresses for memory functions in the electronic device is not incorporated in said electronic device, said control means recognizes that electronic device as a second electronic device.

49. The information exchange system according to claim 47, characterized in that

said control means reads a setting in said register of said electronic device, and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer;

if the setting in said register of said electronic device indicates that the input/output means of said electronic device has only a function for data input/output by serial transfer, said control means recognizes that electronic device as a first electronic device; and

,

if the setting in said register of said electronic device indicates that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, said control means recognizes that electronic device as a second electronic device.

50. The information exchange system according to claim 47, characterized in that said control means has transmission means which, when said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, if the input/output means of said electronic device is judged to have both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, transmits to said electronic device an instruction to decide whether to execute said function for data input/output by serial transfer or to execute said function for data input/output by parallel transfer.

51. The information exchange system according to claim 47, characterized in that said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer;

and,

when it is judged that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, in the initial state said control means executes said function for data input/output by serial transfer;

when said function for data input/output by parallel transfer is to be executed, said control means changes a prescribed identification bit in a write area of said register; and

, when said data input/output by serial transfer is to be performed, said control means returns the prescribed identification bit in the write area of said register to the original value.

52. The information exchange system according to claim 47, characterized in that a plurality of types of memory function in said electronic device are stipulated, and, when a prescribed code is written at a prescribed address of said register indicating one of said memory function types, processing is performed corresponding to said memory function type.

53. An information exchange system, comprising an information processing device, an electronic device detachably provided in said information processing device, and an adapter device, characterized in that

in said information processing device, a judgment is made as to whether a register is provided in said electronic device having a prescribed write area and read area and in which is stored a setting indicating a function of said electronic device;

when said register is not provided, said electronic device is recognized as a first electronic device comprising only memory functions; and

,

when said register is provided, the setting stored in said register is read, said electronic device is recognized as a second electronic device having functions other than memory functions, and functions which can be executed by said electronic device are identified according to the setting stored in said register.

54. The information exchange system according to claim 53, characterized in that, when said register is provided in said electronic device, an instruction to read said register is transmitted from said information processing device to said electronic device, and, a prescribed value stored in said register is read from said register via said input/output means which identifies whether said input/output means has both said function for data input/output by serial transfer and said function for data input/output by parallel transfer.

55. The information exchange system according to claim 53, characterized in that, when said register is provided in said electronic device, an instruction is transmitted from said information processing device to said electronic device which decides whether said input/output means executes said function for data input/output by serial transfer or executes said function for data input/output by parallel transfer.

56. The information exchange system according to claim 53, characterized in that, in the initial state, said function for data input/output by serial transfer is executed;

when said function for data input/output by parallel transfer is to be executed, a prescribed bit in a write area of said register is changed; and

, when said data input/output by serial transfer is to be performed, the prescribed identification bit in the write area of said register is returned to the original value.

57. The information exchange system according to claim 53, characterized in that an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device is incorporated into said electronic device, and that a prescribed code indicating the incorporation of said address conversion function is written at a prescribed address of said register.

58. The information exchange system according to claim 53, characterized in that an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device is incorporated into said information processing device, and that, when a prescribed code is written at a prescribed address of said register indicating that said electronic device has an address conversion function to convert between logical addresses for processing of said data and physical addresses for said memory functions, said incorporated address conversion function is rendered inactive.

59. The information exchange system according to claim 53, characterized in that an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device is incorporated into said adapter device, and that, when a prescribed code is written at a prescribed address of said register indicating that said electronic device has an address conversion function to convert between logical addresses for processing of said data and physical addresses for said memory functions, said incorporated address conversion function is rendered inactive.

60. The information exchange system according to claim 53, characterized in that a plurality of types of memory function in said electronic device are stipulated, and, when a prescribed code is written at a prescribed address of said register indicating one of said memory function types, processing is performed corresponding to said memory function type.

61. The information exchange system according to claim 53, characterized in that an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device is incorporated into said electronic device, and that when a prescribed code is provided at a prescribed address of said register indicating that said function for data input/output by parallel transfer is provided, said incorporated address conversion function is employed.

62. The information exchange system according to claim 53, characterized in that an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device is incorporated into said information processing device, and that when a prescribed code is not provided at a prescribed address of said register indicating that said function for data input/output by parallel transfer is provided, said incorporated address conversion function is employed.

63. The information exchange system according to claim 53, characterized in that an address conversion function to convert between logical addresses for processing of said data and physical addresses for memory functions in said electronic device is incorporated into said adapter device, and that when a prescribed code is not provided at a prescribed address of said register indicating that said function for data input/output by parallel transfer is provided, said incorporated address conversion function is employed.

64. An information exchange system, comprising an information processing device, an electronic device detachably provided in said information processing device, and an adapter device, having control means to read a value in a register comprised by said electronic device and recognize a setting indicating functions of said electronic device, and characterized in that

said control means reads a setting in said register of said electronic device, and judges whether an address conversion function to convert between logical addresses for information processing and physical addresses in said electronic device is incorporated within said electronic device.

65. The information exchange system according to claim 64, characterized in that

when the setting in said register indicates that an address conversion function to convert between logical addresses for information processing and physical addresses for memory functions in said electronic device is incorporated within said electronic device, said control means recognizes that electronic device as a first electronic device;

and,

when the setting in said register indicates that an address conversion function to convert between logical addresses for information processing and physical addresses for memory functions in said electronic device is not incorporated within said electronic device, said control means recognizes that electronic device as a second electronic device.

66. The information exchange system according to claim 64, characterized in that

said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer;

if the setting in said register of said electronic device indicates that the input/output means of said electronic device has only a function for data input/output by serial transfer, said control means recognizes that electronic device as a first electronic device; and

,

if the setting in said register of said electronic device indicates that the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, said control means recognizes that electronic device as a second electronic device.

67. The information exchange system according to claim 64, characterized in that said control means has transmission means which, when said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, if the input/output means of said electronic device is judged to have both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, transmits to said electronic device an instruction to decide whether to execute said function for data input/output by serial transfer or to execute said function for data input/output by parallel transfer.

68. The information exchange system according to claim 64, characterized in that said control means reads a setting in said register of said electronic device and judges whether the input/output means of said electronic device has both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, and if the input/output means of said electronic device is judged to have both a function for data input/output by serial transfer and a function for data input/output by parallel transfer, then in the initial state said function for data input/output by serial transfer is executed;

when said function for data input/output by parallel transfer is to be executed, a prescribed identification bit in a write area of said register is changed; and

, when data input/output by serial transfer is to be performed, the prescribed identification bit in the write area of said register is returned to the original value.

69. The information exchange system according to claim 64, characterized in that a plurality of types of memory function in said electronic device are stipulated, and when a prescribed code is written at a prescribed address of said register indicating one of said memory function types, processing is performed corresponding to said memory function type.