AT28C64B-25TC View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT28C64B-25TC' PDF : 20 Pages View PDF
Software Data Protection Disable Algorithm(1)
LOAD DATA AA
TO
ADDRESS 1555
LOAD DATA 55
TO
ADDRESS 0AAA
LOAD DATA 80
TO
ADDRESS 1555
LOAD DATA AA
TO
ADDRESS 1555
LOAD DATA 55
TO
ADDRESS 0AAA
LOAD DATA 20
TO
ADDRESS 1555
LOAD DATA XX
TO
ANY ADDRESS(4)
EXIT DATA
PROTECT STATE(3)
LOAD LAST BYTE
TO
LAST ADDRESS
Note:
1. Notes for software program code:
2. Data Format: I/O7 - I/O0 (Hex);
Address Format: A12 - A0 (Hex).
3. Write Protect state will be activated at end of write even if no other data is loaded.
4. Write Protect state will be deactivated at end of write period even if no other data is
loaded.
5. 1 to 64 bytes of data are loaded.
10 AT28C64B
0270I–PEEPR–08/03
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