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Contactless Card Read/Write Module
(
YW-201
)
User’s Manual
Contactless Card, RFID… Page 9 / 15
http://www.youwokeji.com.cn
0x01
0x02
0x03
Antenna Status(BIT0)
0:Turn off Antenna
1:Turn on Antenna
Auto Request(BIT1)
0:Turn off Auto Request
1:Turn on Auto Request
0x00
Setting
Retur
n
0x04 0x01
0xFF
Status
:
0x00
:
Success
0xFF
:
Fail
Send
0x03 0x02
0x00
2
Power
Setting
Retur
n
0x04 0x02
0xFF
Status
:
0x00
:
Success
0xFF
:
Fail
Contactless card Command
0x00
Send
0x04 0x10
0x01
Request card mode:
0x00: request all card in antenna area
0x01:
request card that have not halted in
antenna area
0x08 0x00
Seri
al
No
3
Request
Card
Retur
n
0x04
0x10
0xFF
Status:
0x00: Request s Card Serial
No(4 bytes).
0xFF: Request Fail.
Send
0x0B 0x11
8Byte
Key Set(1Byte)+Block No(1Byte) +
Key(6Bytes)
a.Key Set(1Byte):
Select Key A,B(BIT0)->0:Key A;1:Key B
Key Mode(BIT1)->
0:Use key passed.
1:Use key downloaded.
b.Index of Key Downloaded(BIT2~BIT7)
->0~31
0x14 0x00
Dat
a
0x00: Success, 16 bytes of data return.
4
Read
Block
Retur
n
0x04
0x11
0xFF 0xFF:
Fail
5
Write
Block
Send
0x1B 0x12
24bytes
Key set(1Byte)+Block No(1Byte)+
Key( Data(16Bytes)
a.Key Set(1Byte):
Select Key A,B(BIT0)->0:Key A;1:Key B
Key Mode(BIT1)->