White Electronic Designs
WE512K16-XG4X
FIGURE 8 – SOFTWARE BLOCK DATA PROTECTION ENABLE ALGORITHM
(1)
LOAD DATA AAAA
TO
ADDRESS 5555
LOAD DATA 5555
TO
ADDRESS 2AAA
LOAD DATA A0A0
TO
ADDRESS 5555
WRITES ENABLED
(2)
LOAD DATA XXXX
TO
ANY ADDRESS
(4)
LOAD LAST WORD
TO
LAST ADDRESS
ENTER DATA
PROTECT STATE
NOTES:
1. Data Format: I/O
7-0
(Hex);
Address Format: A
14
-A
0
(Hex).
2. Write Protect state will be activated at end of write even if no other data is loaded.
3. Write Protect state will be deactivated at end of write period even if no other data is loaded.
4. 1 to 128 words of data to be loaded.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1999
Rev. 2
8
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
