ACS AET65 Smart Card Reader with Fingerprint Sensor - Manual (Page 16)

9.2. MCU Card Commands
9.2.1. RESET_WITH_5_VOLTS_DEFAULT
This command powers up the card inserted in the card reader and performs a card reset. If the card is
powered up when the command is being issued, only a reset of the card is carried out. The power
supply to the card is not switched off.
Command format
Header Instruction Data length
LEN
01 H 80 H 00 H 00 H
Response data format
Header Status
Data
length
ATR
LEN
01 H ………
ATR Answer-To-Reset as transmitted by the card according to ISO7816-3.
NOTE: The ATR is only returned in the AET65 response if the communication protocol of the
card is compatible with the reader, i.e., if the card can be processed by the AET65.
Otherwise, the AET65 returns an error status and deactivates the smart card interface.
9.2.2. RESET_WITH_SPECIFIC_VOLTAGE
This command powers up the card inserted in the card reader and performs a card reset. If the card is
powered up when the command is being issued, only a reset of the card is carried out. The power
supply to the card is not switched off.
Command format
Header Instruction Data length Data
LEN
01 H 80 H 00 H 01 H
Data = 00 H for automatic voltage detection
= 01 H for 5-volt card
= 02 H for 3-volt card
= 03 H for 1.8-volt card
Response data format
Header Status
Data
length
ATR
LEN
01 H ………
ATR Answer-To-Reset as transmitted by the card according to ISO7816-3.
NOTE: The ATR is only returned in the AET65 response if the communication protocol of the
card is compatible with the reader, i.e., if the card can be processed by the AET65.
Otherwise, the AET65 returns an error status and deactivates the smart card interface.
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AET65 Reference Manual
Version 1.00
Page 16 of 19
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