Patent ID: 7350009
Filing Date: 2008-03-25
Classification: G06F,H05K

Abstract:
1. An input/output device to be used by an electronic device, comprising: an interface having a plurality of pins that include data pins, a command pin, and a power signal pin, the interface being connectable to the electronic device; a register file pre-storing operation mode information of the input/output device, the operation mode information indicating one of first and second operation modes; a transmitter configured to transmit the operation mode information stored in the register file to the electronic device via one of the plurality of pins, when a first command that requests reading of the operation mode information is received from the electronic device via the command pin; and a data transfer unit configured to execute data transfer between the input/output device and the electronic device, the data transfer unit transferring data using the data pins to which signal assignment was performed by the electronic device according to the operation mode information, wherein: