ACR3801 – Reference Manual
Version 2.01
www.acs.com.hk
Page 33 of 62
SW1 SW2
= 90 00h if no error
8.3.4.3. WRITE_MEMORY_CARD
Command Format (
abData
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA INS Zone Address Byte Address MEM_L Byte 1 … … Byte n
FFh
Where:
INS
= D0h for writing user zone
= D1h for writing configuration zone or writing fuse
Zone Address
= 0000 0A
10
A
9
A
8
b where A
10
is the MSB of zone address
= Don’t care for writing fuse
Byte Address
= A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
b is the memory address location of the memory
card
= 1000 0000b for writing fuse
MEM_L
Length of data to be written to the memory card
Byte x
Data to be written to the memory card
Response Data Format (
abData
field in the
RDR_to_PC_DataBlock
)
SW1 SW2
Where:
SW1 SW2
= 90 00h if no error
8.3.4.4. VERIFY_PASSWORD
Command Format (
abData
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA INS
P1
P2
Lc
Data
FFh
20h
00h
00h
04h
RP
Pw(0)
Pw(1)
Pw(2)
Where:
Pw(0),Pw(1),Pw(2)
Passwords to be sent to memory card
RP
= 0000 rp
2
p
1
p
0
b
where the four bits “rp
2
p
1
p
0
” indicate the password to compare:
r = 0 : Write password,
r = 1 : Read password,
p
2
p
1
p
0
: Password set number.
(rp
2
p
1
p
0
= 0111 for the secure code)
