Patent ID: 7237052
Filing Date: 2007-06-26
Classification: G06F,H05K

Abstract:
1. A method of operating a storage device accessed by an electronic device, the storage device having connector pins that include data pins, a command pin, and a power signal pin, the method comprising: receiving a first command for reading operation mode information from the electronic device via the command pin, the operation mode information indicating one of first and second operation modes; transmitting the operation mode information to the electronic device via one of the connector pins in response to the first command; receiving data from the electronic device using one of the data pins in the first operation mode; receiving data from the electronic device using four data pins in the second operation mode; receiving a second command for reading operation voltage information from the electronic device via the command pin, the operation voltage information concerning an operation voltage of the storage device; transmitting the operation voltage information to the electronic device via the command pin in response to the second command; and receiving a third command for setting an operation mode of the storage device into one of the first and second operation modes.