Datasheet

©2013 Silicon Storage Technology, Inc. DS20005054C 04/13
16
2 Mbit SPI Serial Flash
SST25VF020B
Data Sheet
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
1417 AAI.HW.3
Check for Flash Busy Status to load next valid
1
command
Load AAI command, Address, 2 bytes data
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
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
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
1417 AAI.SW.2
Note: 1. Valid commands during AAI programming: AAI command, RDSR command, or WRDI command
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