SECTION 4
Functions
■ Example of Write Protection
Start Address Is Lower Than the End Address
The memory area between the start address and end address will be write-protected.
Address
0000 hex
0001 hex
0002 hex
0003 hex
Start Address Is Equal to End Address
Only the selected address (one byte) will be write-protected.
Address
0000 hex
0001 hex
0002 hex
0003 hex
End Address Is Higher than the Last RF Tag Address
The memory area between the start address and the last RF Tag address will be write-protected.
Address
0000 hex
0001 hex
0002 hex
0003 hex
RFID System
50
User's Manual
Bit
Upper digits
1
0
0
0
0
8
0
0
0
1
0
1
0
0
0
0
0
0
0
0
1
0
0
2
Bit
Upper digits
1
0
0
0
0
8
0
0
1
0
0
2
0
0
0
0
0
0
0
0
1
0
0
2
Bit
Upper digits
1
0
0
0
0
8
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
F
0000 hex
Lower digits
0015 hex
0
0
0
0
0120 hex
1
0
1
5
0
0
1
1
0
0
0
0
03E7 hex
0000 hex
Lower digits
0
0
0
0
0
0
1
0021 hex
1
0
0
0
0
0
0
1
1
03E7 hex
0000 hex
Lower digits
0
1
1
3
0
0
0
0
0
1
1
3
1
1
1
0300 hex
F
03E7 hex
Write-
protected
Write-
protected
Write-
protected