ACR3901T-W1 – Reference Manual
Version 1.02
www.acs.com.hk
Page 76 of 100
Response Data Format (abData field in the RDR_to_PC_DataBlock)
PROT 1
…
…
PROT L
SW1
SW2
Where:
PROT y
Bytes containing the protection bits
SW1, SW2
= 90 00h if no error
The arrangement of the protection bits in the PROT bytes is as follows:
PROT 1
PROT 2
…
P8
P7
P6
P5
P4
P3
P2
P1
P16
P15
P14
P13
P12
P11
P10
P9
..
..
..
..
..
..
P18
P17
Where:
Px
is the protection bit of BYTE x in the response data
‘0’
byte is write protected
‘1’
byte can be written
7.2.5.5.
WRITE_MEMORY_CARD
Command Format (
abData
field in the
PC_to_RDR_XfrBlock
)
Pseudo-APDU
CLA
INS
Byte Address
MEM_L
Byte 1
....
....
Byte N
MSB
LSB
FFh
D0h
Where:
MSB Byte Address
= 0000 00A
9
A
8
b is the memory address location of the memory card
LSB 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
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
7.2.5.6.
WRITE_PROTECTION_MEMORY_CARD