SEMICONDUCTOR DEVICE, DEVICE, AND ELECTRONIC DEVICE
First Claim
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1. A semiconductor device comprising:
- a memory circuit,wherein the semiconductor device is capable of storing a start-up routine in the memory circuit and executing the start-up routine,wherein the semiconductor device is capable of operating the memory circuit as a buffer memory device after executing the start-up routine, andwherein the semiconductor device is capable of loading the start-up routine into the memory circuit from outside after operating the memory circuit as a buffer memory device and before the semiconductor device is powered off.
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Abstract
A semiconductor device with improved operating speed is provided. A semiconductor device including a memory circuit has a function of storing a start-up routine in the memory circuit and executing the start-up routine, a function of operating the memory circuit as a buffer memory device after executing the start-up routine, and a function of loading the start-up routine into the memory circuit from outside before the semiconductor device is powered off.
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Citations
18 Claims
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1. A semiconductor device comprising:
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a memory circuit, wherein the semiconductor device is capable of storing a start-up routine in the memory circuit and executing the start-up routine, wherein the semiconductor device is capable of operating the memory circuit as a buffer memory device after executing the start-up routine, and wherein the semiconductor device is capable of loading the start-up routine into the memory circuit from outside after operating the memory circuit as a buffer memory device and before the semiconductor device is powered off. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A semiconductor device comprising:
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a memory circuit, wherein the semiconductor device is capable of performing a first operation and then performing a second operation, wherein the semiconductor device is capable of being powered off between the first operation and the second operation, wherein the semiconductor device is capable of executing a start-up routine in the first operation, wherein the semiconductor device is capable of storing data on a setting of the semiconductor device in the memory circuit before completing the first operation, and wherein the semiconductor device is capable of performing an operation based on the setting according to the data stored in the memory circuit without executing the start-up routine in the second operation. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A device comprising:
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a circuit, wherein the device is capable of performing a first operation, being powered off, and then performing a second operation, wherein the device is capable of executing a program for a first setting of the device in the first operation, wherein the device is capable of storing data on a second setting of the device in the circuit before completing the first operation, and wherein the device is capable of performing an operation based on the second setting according to the data stored in the circuit without executing the program in the second operation. - View Dependent Claims (15, 16, 17, 18)
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Specification