ACS ACR33U-A1 SmartDuo Smart Card Reader User Manual
Page 48
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ACR33U-A1 – Reference Manual
Version 1.02
www.acs.com.hk
Page 48 of 60
Response data format (abData field in the RDR_to_PC_DataBlock)
SW1 SW2
Where:
SW1, SW2 = 90 00h if no error
8.3.6.7. PRESENT_CODE_MEMORY_CARD (only SLE 4442 and SLE5542)
To submit the secret code to the memory card to enable the write operation with the SLE4442 and
SLE5542 card, the following actions are executed:
•
Search a ‘1’ bit in the presentation error counter and write the bit to ‘0’
•
Present the specified code to the card
•
Try to erase the presentation error counter
Command format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA INS P1 P2 MEM_L
CODE
Byte 1 Byte 2 Byte 3
FFh 20h 00h 00h
03h
Where:
CODE:
Three bytes secret code (PIN)
Response data format (abData field in the RDR_to_PC_DataBlock)
SW1
SW2
ErrorCnt
90h
Where:
SW1
= 90h
SW2 (ErrorCnt) = Error Counter. 07h indicates the verification is correct. 00h indicates the
password is locked (exceeded the maximum number of retries). Other
values indicate the current verification has failed.
8.3.6.8. CHANGE_CODE_MEMORY_CARD (only SLE 4442 and SLE5542)
To write the specified data as new secret code in the card.
The current secret code must be presented to the card with the PRESENT_CODE command prior to
the execution of this command.