ACS ACR38 Reference Manual

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ACS ACR38 Reference Manual Manual pdf 16 page image

ACR38 Reference Manual version 1.9 February 2006Response data formatHeader Status Data length BYTE 1 … … BYTE N SW1 SW2LEN01 HBYTE x Response data from card (if any).SW1, SW2 Status code returned by the card.8.2.1.5 EXCHANGE_TPDU_T1To exchange an APDU (Application Protocol Data Unit) command/response pair between the MCU cardinserted in the ACR38 and the host computer using T1 protocol.Command formatHeader Instruction Data length LEN DataMSB LSB T1 TPDU Frame01 H A1 H MSB LSB ………LEN Length of APDU command data, NData T1 TPDU frame to be sent to the card. It should include NAD, PCB, LEN, INF and EDC fields.Please refer to ISO/IEC 7816:3:1997(E) Section 9.4 for detailed information.Response data formatHeader Status Data length BYTE 1 … … BYTE NLEN01 HBYTE x Response T1 Block from card (if any). The response should include NAD, PCB, LEN, INF andEDC fields. Please refer to ISO/IEC 7816:3:1997(E) Section 9.4 for detailed information.8.2.2 Memory Card – 1,2,4,8,16 kbit I2C card8.2.2.1 SELECT_CARD_TYPEThis command powers down and up the selected card inserted in the card reader and performs a card reset.Notes: This command must be the first command after card insertion! Advanced Card Systems Ltd. Page 16 of 43