Electronic device with card interface
First Claim
1. An electronic device in which a card-shaped device having a connector section is usable, the connector section being provided with connector pins including data pins, comprising:
- a card interface to be connected to the card-shaped device via the connector section of the card-shaped device;
operation mode acquiring means for acquiring, when the card interface is connected to the card-shaped device, operation mode information of the card-shaped device via a predetermined one of the connector pins of the card-shaped device other than the data pins; and
operation mode setting means for executing signal assignment on each of the data pins on the basis of the operation mode information acquired by the operation mode acquiring means.
1 Assignment
0 Petitions
Accused Products
Abstract
When initializing a card-shaped device inserted in a card interface, operation mode acquiring means incorporated in an electronic device acquires operation mode information, stored in a register file incorporated in the card-shaped device, by a predetermined procedure using a predetermined pin. Operation mode setting means incorporated in the electronic device executes signal assignment on a plurality of data pins peculiar to an operation mode indicated by the acquired operation mode information, thereby switching a data transfer width, and allowing the card-shaped device to operate in the operation mode
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Citations
2 Claims
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1. An electronic device in which a card-shaped device having a connector section is usable, the connector section being provided with connector pins including data pins, comprising:
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a card interface to be connected to the card-shaped device via the connector section of the card-shaped device;
operation mode acquiring means for acquiring, when the card interface is connected to the card-shaped device, operation mode information of the card-shaped device via a predetermined one of the connector pins of the card-shaped device other than the data pins; and
operation mode setting means for executing signal assignment on each of the data pins on the basis of the operation mode information acquired by the operation mode acquiring means.
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2-18. -18. (canceled)
Specification