Advance Information

8Mbit 1.8V SPI Serial Flash

SST25WF080

13

©2010 Silicon Storage Technology, Inc.

S71203-03-000

04/10

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

with Hardware End-of-Write Detection

FIGURE 13: Auto Address Increment (AAI) Word Program Sequence

with Software End-of-Write Detection

CE#

SI

SCK

SO

1203 F11.0

Last 2

Data Bytes

WDRI to exit

AAI Mode

Software Status register

to load any command

Check for Flash Busy Status to load next valid

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

07

8

32

47

15 16

23 24

31

0

40

39

7

8

15 16

23

7 8

15 16

23

70

15

78

00

AA

A

AD

D0

AD

MODE 3

MODE 0

D1

D2

D3

AD

WRDI

RDSR

07 8

32

47

15 16

23 24

31

0

40

39

7 8

15 16

23

7 8

15 16

23

70

15

78

00

CE#

SI

SCK

SO

DOUT

MODE 3

MODE 0

1203 F12.0

Wait TBP or poll

Software Status register

to load any command

Note:

1. Valid commands during AAI programming: AAI command or WRDI command

Wait TBP or poll Software Status

register to load next valid1 command

Last 2

Data Bytes

WDRI to exit

AAI Mode

Load AAI command, Address, 2 bytes data

AA

A

AD

D0

AD

D1

D2

D3

AD

Dn-1

Dn

WRDI

RDSR