Datasheet

©2011 Silicon Storage Technology, Inc. DS-25015A 04/11
49
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
A
Microchip Technology Company
Figure 25:Write-Buffer Programming
1309 F25.2
Start
Load data: XXAAH
Address: 555H
Load data: XX55H
Address: 2AAH
Load data: XX25H
Address: BA
Wait for
end of Program
Program
Complete
Load data: WC
Address: BA
Load data: Data
Address: WA
Program Buffer
to Flash
Load data: XX29H
Address: BA
Is Data
Load
complete
Ye s
No
Keep writing
to buffer
Note: BA= Block Address
WC = Word Count
WA = Address of word to program
All subsequent Address values (WA
X
) in Write Cycle 6 and later must have the same A
21
-A
4
as WA
X
in Write Cycle 5.
X can be V
IL
or V
IH,
but no other value