Data Sheet
Coupler - Reference manual
RM 5
Version 1.1
Coupler commands overview
Command INS Description
SELECT_CARD "A4h" Selects one contactless card following list of
possible cards in the field
SELECT_PAGE "A6h" Selects a page in a multi-application chip
TRANSMIT "C2h" Sends and retrieve data from chip through
contactless interface : Transparent mode
GET_RESPONSE "C0h" Reads the internal buffer of the coupler to retrieve
chip answer for ISO 7816 T=0 protocol.
Command INS Description
READ_STATUS "F2h" Reads coupler status or EEPROM memory.
SET_STATUS "F4h" Sets the coupler status or write in EEPROM
memory.
DISABLE_COUPLER "ADh" Disables the coupler. it will only respond after a
ENABLE_COUPLER command.
ENABLE_COUPLER "AEh" Enable the coupler. It wakes up the coupler after
a DISABLE_COUPLER command.
Security module functions†:
Command INS Description
LOAD_KEY_FILE "D8h" Load new master keys for authentication
purposes.
ASK_RANDOM "84h" Ask for a random number from the coupler.
SELECT_CURRENT_KEY "52h" Select the key to be used for authentication
purposes.