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ACR33U-A1 SmartDuo Reference Manual
Version 1.00
Page 53 of 56
www.acs.com.hk
8.2.13.6. ERASE_APPLICATION_ZONE_WITH_WRITE_AND_ERASE
This command can be used in the following cases:
AT88SC101: To erase the data in Application Zone with EC Function Enabled
AT88SC102: To erase the data in Application Zone 2 with EC2 Function Enabled
AT88SC1003: To erase the data in Application Zone 2 with EC2 Function Enabled
With EC or EC2 Function Enabled (that is, ECEN or EC2EN Fuse is undamaged and in “1” state), the
following actions are executed:
- Present the specified code to the card
- Search a '1' bit in the presentation error counter and write the bit to '0'
- Erase the presentation error counter. The data in corresponding Application Zone can be
erased when the submitted code is correct.
Command format (abData field in the PC_to_RDR_XfrBlock)
Pseudo-APDU
CLA
INS
Error
Counter
LEN
Byte
Addre
ss
MEM_
L
CODE
Byte
1
Byte
2
Byte
3
Byte
4
FF
H
20
H
80
H
04
H
Error Counter LEN
Length of presentation error counter in bits. The value should be
0x80
always.
Byte Address
Byte address of the Application Zone Key in the card.
Byte Address
AT88SC101
96
H
AT88SC102
9C
H
AT88SC1003
5C
H
CODE
4 bytes Erase Key
Response data format (abData field in the RDR_to_PC_DataBlock)
SW1
SW2
SW1, SW2
=
90
H
00
H
if no error.
=
63
H
00
H
if there is no more retry chance
Note:
After SW1SW2 =
0x9000
has been received, read back the data in Application Zone
can check whether the
ERASE_APPLICATION_ZONE_WITH_ERASE
is correct. If all data in
Application Zone is erased and equals to “
0xFF
”, the previous verification is success.