发明名称 ACCESS METHOD FOR CARD TYPE PERIPHERAL DEVICE, HOST DEVICE, AND CARD COMMUNICATION METHOD
摘要 <p><P>PROBLEM TO BE SOLVED: To provide an access method for a card type peripheral device, a host device, and a card communication method, which are advantageous in determining a protocol of a card type peripheral device by the host device. <P>SOLUTION: A VPD Cap (Product Data Capability) includes an address register with first address information set thereto, and a data register with a part of protocol identification information read from a storage unit 28 based on the first address information set thereto. The capacity of the data register is smaller than the amount of the protocol identification information. A configuration space 24 includes a first area and a second area. The first area includes second address information showing an arrangement address of the second area. The first address information for accessing a part of the protocol identification information stored in the storage unit is successively set to the second area, and a part of the protocol identification information read from the storage unit based on the first address information is successively set to the data register. <P>COPYRIGHT: (C)2011,JPO&INPIT</p>
申请公布号 JP2010272130(A) 申请公布日期 2010.12.02
申请号 JP20100163395 申请日期 2010.07.20
申请人 SONY CORP 发明人 KONNO TAMAKI;SATORI KENICHI;NAGATA JUNKO;HOSOE NORIYUKI;ADACHI NAOHIRO;NAKANISHI KENICHI
分类号 G06F13/14;G06K17/00;G06K19/07 主分类号 G06F13/14
代理机构 代理人
主权项
地址