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ACR1281U-C1 – Application Programming Interface
Version 1.08
www.acs.com.hk
Page 52 of 96
5.1.9.8.
Blow Fuse
This command blows 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
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
(1 byte)
=
State of the FUS pin. Should be 01h always.
State of RST Pin
(1 byte)
=
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
Table 4
: Blown Fuse Code Values
Pseudo-APDU
Command
Class
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
Blown
Fuse
FFh
05h
00h
00h
04h
01h
00h
01h