User's Manual

33
RFID System
User's Manual
Section 3 ID Tags
Section 3
Functions and Operation
 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.
 Start Address Is Equal to End Address
Only the selected address (one byte) will be write-protected.
 End Address Is Higher than the Last ID Tag Address
The memory area between the start address and the last ID Tag address will be write-protected.
Write-protected
0000
H
0015H
0120H
03E7H
Address Bit Upper digits Lower digits
0000H
10000000
80
0001H
00010101
15
0002H
00000001
01
0003H
00100000
20
Write-protected
0000
H
0021H
03E7H
Address Bit Upper digits Lower digits
0000H
10000000
80
0001H
00100001
21
0002H
00000000
00
0003H
00100001
21
Write-protected
0000
H
0300H
03E7H
Address Bit Upper digits Lower digits
0000H
10000011
83
0001H
00000000
00
0002H
00000011
03
0003H
11111111
FF