Data Sheet

Table Of Contents
Coupler - Reference manual
RM 9
Version 1.2
P2 : Page number to select and authenticate and cryptographic key to use
Bit
76543210
Function
- Page numberReader key number
b7-b4 : Reader key number
Note : 0 correspond to Kd0, 1 to Kc0, …, 14 to Kd7 and 15 to Kc7.
This is the reader key number to use during authentication. The reader will use this
key number (EEPROM) to diversify and authenticate the requested page with Kd or
Kc.
b3 : Page’s key to use to perform the authentication
0 : authentication will be performed with page’s debit key.
1 : authentication will be performed with page’s credit key.
b2-b0 : Page number to select
P3 : Chip answer length
This parameter has to be set to 8 as the chip answers the page’s configuration block (8
bytes).