Advance Information

32 Mbit SPI Serial Flash

SST25VF032B

13

©2006 Silicon Storage Technology, Inc.

S71327-00-000

10/06

FIGURE 11: Auto Address Increment (AAI) Word-Program Sequence with

Hardware End-of-Write Detection

FIGURE 12: Auto Address Increment (AAI) Word-Program Sequence with

Software End-of-Write Detection

08

32

24

48

16

24

0

40

0

8

8

8

16

0

8

16

24

0

0

8

816

CE#

SI

SCK

A

AA

AD

D0

AD

SO

11327 AAI.HW.0

D1

D2

D3

AD

WRDI

RDSR

Last 2

Data Bytes

WDRI to exit

AAI Mode

Output Status

Register Data

Check for Flash Busy Status to load next valid 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

WREN

08

32

24

48

16

24

0

40

0

8

8

8

16

0

8

16

24

0

0

8

816

CE#

SI

SCK

A

AA

AD

D0

AD

SO

1327 AAI.HW2.0

D1

D2

D3

AD

WRDI

RDSR

Last 2

Data Bytes

WDRI to exit

AAI Mode

Output Status

Register Data

Check for Flash Busy Status to load next valid 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

WREN