User's Manual

ACR122L-ACS Design Specification
Version 0.03 19/05/2010
Page
47
of
50
ACR122L
-
ACS
5.16. Get the Firmware Version of the reader
To retrieve the firmware versions of the reader.
For SAM Interface 1 controller, STX = 0x02 and ETX = 0x03
For SAM Interface 2 controller, STX = 0x12 and ETX = 0x13
For SAM Interface 3 controller, STX = 0x22 and ETX = 0x23
Table 16.0A: Get Firmware Version Command Format (5 Bytes)
Command Class INS P1 P2 Le
Get Response 0xFF 0x00 0x48 0x00 0x00
Le: Number of Bytes to Retrieve (1 Byte)
Maximum 255 bytes
For SAM Interface 1 controller, the feedback’s STX = 0x02 and ETX = 0x03
For SAM Interface 2 controller, the feedback’s STX = 0x12 and ETX = 0x13
For SAM Interface 3 controller, the feedback’s STX = 0x22 and ETX = 0x23
Table 16.0B: Get Firmware Version Response Format (14 bytes)
Response Data Out
Result Firmware Version
E.g. 1 Response for SAM Interface 1 controller
= 41 43 52 31 32 32 4C 31 30 31 53 41 4D 31(Hex) = ACR122L101SAM1 (ASCII)
E.g. 2 Response for SAM Interface 2 controller
= 41 43 52 31 32 32 4C 31 30 31 53 41 4D 32(Hex) = ACR122L101SAM2 (ASCII)
E.g. 3 Response for SAM Interface 3 controller
= 41 43 52 31 32 32 4C 31 30 31 53 41 4D 33(Hex) = ACR122L101SAM3 (ASCII)