Datasheet

©2011 Silicon Storage Technology, Inc. DS25071A 12/11
14
32 Mbit SPI Serial Flash
SST25VF032B
Data Sheet
A
Microchip Technology Company
Figure 10: Auto Address Increment (AAI) Word-Program Sequence with Hardware End-of-
Write Detection
Figure 11: Auto Address Increment (AAI) Word-Program Sequence with
Software End-of-Write Detection
CE#
SI
SCK
SO
1327 AAI.HW.3
Check for Flash Busy Status to load next valid
1
command
Load AAI command, Address, 2 bytes data
0
AAA
AD
D0 AD
MODE 3
MODE 0
D1 D2 D3
7
WREN
EBSY
0
7
078 32 4715 16 23 24 31 04039 7 8 15 16 23
D
OUT
WRDI followed by DBSY
to exit AAI Mode
WRDI RDSR
70157 80
DBSY
70
CE# cont.
SI cont.
SCK cont.
SO cont.
Last 2
Data Bytes
AD
D
n-1
D
n
7 8 15 16 230
Check for Flash Busy Status to load next valid
1
command
Note: 1. Valid commands during AAI programming: AAI command or WRDI command
2. User must configure the SO pin to output Flash Busy status during AAI programming
078 32 4715 16 23 24 31 04039 7 8 15 16 23 7 8 15 16 23 70 157800
CE#
SI
SCK
SO
D
OUT
MODE 3
MODE 0
1327 AAI.SW.2
Wait T
BP
or poll Software Status
register to load next valid
1
command
Last 2
Data Bytes
WRDI to exit
AAI Mode
Load AAI command, Address, 2 bytes data
AAAAD D0 ADD1 D2 D3 AD
D
n-1
D
n
WRDI RDSR
Note: 1. Valid commands during AAI programming: AAI command or WRDI command