ACR89U-A1 – Reference Manual
Version 1.04
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Page 18 of 57
PC Request Message
Code
ACR89 Response Message
Code
PC_to_ACR89_AuthoInfo
0x38h
ACR89_to_PC_AuthInfo
0xB4h
3.5.1.
Extended Command Pipe Bulk-OUT Message
The command format defined in this section will be the
abData
field to be filled in the
PC_to_RDR_Escape
message.
Similar to the CCID message structure, the command format consists of fixed length Command
Header and variable length Command Data portion. The command header is fixed to 5 bytes in
length.
In contrast to CCID/USB practice, big endian will be adopted in extended command portion.
Figure 2
: CCID PC_to_RDR_Escape Message
3.5.2.
Commands Detail
3.5.2.1. PC_to_ACR89_InputKey
This command accepts key(s) input from the user using keypad. This command context is slot
independent.
Offset
Field Name
Type Size Value
Description
10
BCmdCode
Hex
1
12h
-
11
wCmdLength
Hex
2
0002h Size of command data (in big
endian)
13
AbRfu
Hex
2
0000h
-
CCID Header
(10 bytes)
Extended Command
Header (5 bytes)
Extended Command
Data
CCID PC_to_RDR_Escape Message
Extended Command