Advanced Card Systems Ltd. ACR3901T-W1, Reference Manual

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ACR3901T-W1 – Reference Manual
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SW1 SW2
Where:
SW1, SW2 = 90 00h if no error
= 63 00h if there are no more retries
Note: After SW1SW2 = 9000h has been received, read back the Security Code Attempts
Counter (SCAC) to check whether the VERIFY_USER_CODE is correct. If SCAC is erased
and is equal to “FFh,” the previous verification is successful.
7.2.9.8. BLOWN_FUSE
This command is used to blow the fuse of the inserted card. The fuse can be EC_EN Fuse, EC2EN
Fuse, Issuer Fuse or Manufacturer’s Fuse.
Note: The blowing of fuse is an irreversible process.
Command Format ( abData field in the PC_to_RDR_XfrBlock )
Pseudo-APDU
CLA INS
Error
Counter
LEN
Byte
Address
MEM_L
CODE
Fuse Bit
Addr
(High)
Fuse Bit
Addr
(Low)
State of
FUS Pin
State of
RST Pin
FFh 05h 00h 00h 04h 01h
00h or
01h
Where:
Fuse Bit Addr (2 bytes) Bit address of the fuse. Please refer to the table below for the
correct value.
State of FUS Pin State of the FUS pin. Should always be 01h.
State of RST Pin State of the RST pin. Please refer to below table for the correct
value.
Fuse Bit
Addr
(High)
Fuse Bit
Addr
(Low)
State of
RST Pin
AT88SC101
Manufacturer Fuse 05h 80h 01h
EC_EN Fuse 05h C9h 01h
Issuer Fuse 05h E0h 01h
AT88SC102
Manufacturer Fuse 05h B0h 01h
EC2EN Fuse 05h F9h 01h
Issuer Fuse 06h 10h 01h
AT88SC1003
Manufacturer Fuse 03h F8h 00h
EC2EN Fuse 03h FCh 00h
Issuer Fuse 03h E0h 00h