Omron CJ - 12-2004 Manual page 82

Write Protection
Write Protection Settings Example for Data Carrier with a Memory Capacity of 2 Kbytes
1,2,3... 1. The following settings will write-protect addresses 0015 (hex) to 0120
(hex) (start address < end address).
Address
7 6
0002 1 0
8
0003 0 0
1
0004 0 0
0
0005 0 0
2
Address (hex)
0000
0015
0120
07FF
2. To write-protect only 1 byte, (start address = end address), set the start ad-
dress and the end address to the same address.
Address (hex)
3. If the specified end address exceeds the end address of the Data Carrier
(end address > 07FF (hex)), the Data Carrier memory area will be write-
protected through address 07FF (hex), i.e., through the end of the Data
Carrier memory area.
Address (hex)
Bit No.
5 4 3
0 0 0
0
0 1 0
5
0 0 0
1
1 0 0
0
Write-protected
area
0000
Write-protected
0120
area
07FF
0000
0120
Write-protected
area
07FF
Section 5-5
2 1 0
0 0 0
1 0 1
0 0 1
0 0 0
63