W49F201S-45 Winbond, W49F201S-45 Datasheet - Page 7
W49F201S-45
Manufacturer Part Number
W49F201S-45
Description
128K X 16 CMOS FLASH MEMORY
Manufacturer
Winbond
Datasheet
1.W49F201S-45.pdf
(23 pages)
- Current page: 7 of 23
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Command Codes for Word Program
Word Program Flow Chart
Notes for software program code:
Data Format: DQ15 DQ8: Don't Care; DQ7-DQ0 (Hex)
Address Format: A14 A0 (Hex)
*It is not allowed to assert read command during the 4-word command sequence(program).
To assert the read command during the 4-word command sequence will abort programming procedure.
WORD SEQUENCE
0 Write
1 Write
2 Write
3 Write
Programmed-address
ADDRESS
2AAAH
5555H
5555H
Word Program
Command Flow
Load data AA
address 2AAA
Load data A0
Load data 55
address 5555
address 5555
Load data Din
programmed-
Pause 50 S
address
Exit
to
to
to
to
- 7 -
Pause 50 S
Preliminary W49F201
Programmed-data
Publication Release Date: June 1999
DATA
AAH
A0H
55H
Revision A1
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