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SYRDBT-U1 Reader Protocol Manual
- 19 -
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Write data to tag memory ("W")
Command
Format
STX + INS + “W” + BANK+ “,” + ADDR+ “,” +
“,” + DATA + BCC + END
Example
[01] + “U” + “W1,2,4,1111111111111111”
+ “xx”
H
+ [0D]
Value
STX
[01]
INS
“U”
BANK
“1” : Memory bank (1:EPC; 2:TID; 3:USER)
ADDR
“2” : Start address (0-3FFF)
LENGTH
“4” : Read word length (1-20)
DATA
“1111111111111111” : Write data (ASCII HEX)
BCC
“xx”H (In Hex format)
END
[0D]
Response
Format
STX + INS + STA + “W” + {“OK”} + BCC + END
Error
STX + INS + STA + ERR_CODE
+ “xx”
H
+ [0D]
No tag
[02] + “U” + [00] + “W”
+ “xx”
H
+ [0D]
Success
[02] + “U” + [00] + “W”+”OK”
+ “xx”
H
+ [0D]
Value
STX
[02]
INS
“U”
Status
“00”->Success ; “10”->Fail
DATA
None --- No tag
“OK” --- Written ok
ERR_CODE 0: other error
3: memory overrun
4: memory locked
B: Insufficient power
F: Non-specific error
BCC
“xx”H (In Hex format)
END
[0D]