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W39V040B View Datasheet(PDF) - Winbond

Part NameDescriptionManufacturer
W39V040B 512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE Winbond
Winbond Winbond
W39V040B Datasheet PDF : 32 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
W39V040B
9. TABLE OF COMMAND DEFINITION
COMMAND
DESCRIPTION
Read
Sector Erase
Byte Program
Product ID Entry
Product ID Exit (4)
Product ID Exit (4)
NO. OF
Cycles (1)
1
6
4
3
3
1
1ST CYCLE
Addr. Data
AIN
DOUT
5555 AA
5555 AA
5555 AA
5555 AA
XXXX F0
2ND CYCLE 3RD CYCLE 4TH CYCLE 5TH CYCLE 6TH CYCLE
Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
2AAA 55
2AAA 55
2AAA 55
2AAA 55
5555 80 5555
5555 A0 AIN
5555 90
5555 F0
AA 2AAA 55
DIN
SA(5) 30
Notes:
1. The cycle means the write command cycle not the LPC clock cycle.
2. The Column Address / Row Address are mapped to the Low / High order Internal Address. i.e. Column Address
A[10:0] are mapped to the internal A[10:0], Row Address A[7:0] are mapped to the internal A[18:11]
3. Address Format: A14A0 (Hex); Data Format: DQ7-DQ0 (Hex)
4. Either one of the two Product ID Exit commands can be used.
5. SA: Sector Address
SA = 7XXXXh for Unique Sector7 (Boot Sector)
SA = 6XXXXh for Unique Sector6
SA = 5XXXXh for Unique Sector5
SA = 4XXXXh for Unique Sector4
SA = 3XXXXh for Unique Sector3
SA = 2XXXXh for Unique Sector2
SA = 1XXXXh for Unique Sector1
SA = 0XXXXh for Unique Sector0
- 10 -
Publication Release Date: April 14, 2005
Revision A3
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