ACR1281U-C1 – Application Programming Interface
Version 1.08
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Response
Response
Data Out
Result
SW1
SW2
Where:
SW1 SW2
= 90 00h if the operation is completed successfully.
5.1.6.6.
Write protection memory card
Each of the byte specified in the command is compared with the bytes stored in the specific address
and if the data matches, the corresponding protection bit is irreversibly programmed to ‘0’.
Command
Command
Class
INS
P1
Byte
Address
MEM_L
Byte 1
…
…
Byte N
Write Protection
Memory Card
FFh
D1h 00h
Where:
Byte Address
(1 byte)
= 000A4 A3 A2 A1b (00h – 1Fh) is the protection memory address
location of the memory card
MEM_L
(1 byte)
Length of data to be written to the memory card
Byte (1…N)
Byte values compared with the data in the card starting at the Byte
Address. Byte 1 is compared with the data at Byte Address; Byte N is
compared with the data at Byte A N – 1.
Response
Response
Data Out
Result
SW1
SW2
Where:
SW1 SW2
= 90 00h if the operation is completed successfully.