參數(shù)資料
型號: W49F002U-90
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 256K X 8 FLASH 5V PROM, 90 ns, PDIP32
封裝: PLASTIC, DIP-32
文件頁數(shù): 22/23頁
文件大小: 303K
代理商: W49F002U-90
W49F002U
- 8 -
Command Codes for Chip Erase
BYTE SEQUENCE
ADDRESS
DATA
1 Write
5555H
AAH
2 Write
2AAAH
55H
3 Write
5555H
80H
4 Write
5555H
AAH
5 Write
2AAAH
55H
6 Write
5555H
10H
Chip 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
Exit
Load data 10
to
address 5555
Pause TEC
Notes for chip erase:
Data Format: DQ7
DQ0 (Hex)
Address Format: A14
A0 (Hex)
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