EHUOYAN YHY521X, User Manual

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EHUOYAN YHY521X
Manual
Page 21 of 36
Table 62. Example
Send
AA BB 0A 21 00 08 FF FF FF FF FF FF 23
Description
AA BB
0A
21
00
08
FF FF FF FF FF FF
23
Head
Length
COMMAND
Authenticate with Key A
Read Block 08(Sector 02,1
st
block )
Keys
BCC
Receive(Success)
AA BB 12 21 00 11 22 33 44 55 66 77 88 99 AA 00 BB CC DD EE
FF 23 (*)
Description
AA BB
12
21
00 .. FF
23
Head
Length
Status
16 Bytes Data of Block 08
BCC
Receive(Failure)
AA BB 02 DE DC
Description
AA BB
02
DE
DC
Head
Length
Error
BCC
*If receive one block data include ‘AA’,then the ‘00’ will be added behind ‘AA’, but the length does
not add 1.
14.2.19
Block_Write
This command writes 16 bytes data to the appointed card’s block.
Table 63. Command--:Host
Æ
YHY521X
Send Header Length Command
Data
XOR Checksum
0xAA 0xBB 0x1A 0x22
Block Info:
24 bytes
BCC
Block Info: Key type +Block Key + BData
Key type: 1 byte, 0x00—Key A, 0x01—Key B.
Block number: 1 byte, 0x01..0xff (1..255)
Key: 6 bytes, default “FFFFFFFFFFFF” (*)
BData: 16 bytes data to be write into card
(*)Note: If auth mode is “1”, then this key is not active, it can be any 6 data bytes.
Table 64. Response--: YHY521X
Æ
Host
Receive Head Length Status Data XOR Checksum
Success 0xAA 0xBB 0x02 0x22 0x20
Failure 0xAA 0xBB 0x02 0xDD 0xDF
Table 65. Example
Send
AA BB 1A 22 00 08 FF FF FF FF FF FF 00 11 22 33 44 55 66 77
88 99 AA 00 BB CC DD EE FF 30 (*)
Description
AA BB Head