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W49F102 데이터 시트보기 (PDF) - Winbond
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W49F102
64K X 16 CMOS FLASH MEMORY
Winbond
W49F102 Datasheet PDF : 21 Pages
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Command Codes for Main Memory Erase
BYTE SEQUENCE
1 Write
2 Write
3 Write
4 Write
5 Write
6 Write
ADDRESS
5555H
2AAAH
5555H
5555H
2AAAH
5555H
Main Memory Erase Acquisition Flow
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 80
to
address 5555
Load data AA
to
address 5555
Load data 55
to
address 2AAA
Load data 30
to
address 5555
Pause 1 Sec.
Exit
Notes for chip erase:
Data Format: DQ15-DQ8: Don't Care; DQ7
−
DQ0 (Hex)
Address Format: A14
−
A0 (Hex)
-8-
W49F102
DATA
AAH
55H
80H
AAH
55H
30H
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