ACS AET65 Smart Card Reader with Fingerprint Sensor - Manual (Page 15)

9.1.4. SET_CARD_PPS
This command sends PPS Request to the smart card. This command should work in pair with
SET_READER_PPS
.
Command format
Header Instruction Data length Data
LEN PPS Request
01 H 0A H MSB LSB
LEN Length of PPS request. Typical value is “4”
PPS Request PPS Request to send to the card (Please refer to ISO/IEC 7816-3:1997
Section 7 for details of PPS request)
A typical PPS request to select T=1 protocol and FD=0x94 (62500 baud at
4MHz) is: 0xFF 0x11 0x94 0x7A
Response data format
Header Status Data length Data
LEN
01 H …
9.1.5. SET_READER_PPS
This command sends PPS Response to the reader and asks the reader to switch its protocol and/or
speed to communication with the smart card. This command should work in pair with
SET_CARD_PPS
.
Command format
Header Instruction Data length Data
LEN PPS Response
01 H 0B H MSB LSB
LEN Length of PPS response. Typical value is “4”.
PPS Response PPS Response received from the card (Please refer to ISO/IEC 7816-3:1997
Section 7 for details of PPS response). After the driver or the application
validates the PPS Response, it should send the PPS Response to the
reader. The reader can then switch the protocol and/or speed.
A typical PPS response should be the same as PPS Request.
Response data format
Header Status Data length
LEN
01 H
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AET65 Reference Manual
Version 1.00
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