User's Manual

ACR1281U
 Advanced Card Systems Ltd. Page 46 of 81
= D1 for writing zone 01 b
= D2 for writing zone 10 b
= D3 for writing zone 11 b
= D4 for writing fuse
Byte Address Memory address location of the memory card.
MEM_L Length of data to be written to the memory card.
MEM_D Data to be written to the memory card.
• Response data format
SW1 SW2
• SW1, SW2 = 90 00 if no error
3.4 Verify Password
• Command format
Pseudo-APDU
CLA INS P1 P2 Lc Pw(0) Pw(1) Pw(2)
FF
H
20
H
00
H
03
H
Pw(0),Pw(1),Pw(2) Passwords to be sent to memory card.
P2 = 0000 00rp b
where the two bits “rp” indicate the password to compare
r = 0 : Write password,
r = 1: Read password,
p: Password set number,
rp = 01 for the secure code.
• Response data format
SW1 SW2
ErrorCnt
90
H
• SW1 = 90
• SW2 (ErrorCnt) = Error Counter. FF indicates the verification is correct. 00 indicates the
password is locked (exceed maximum number of retries). Other values indicate the current
verification is failed.