SST25PF040B 查看數據表（PDF） - Microchip Technology

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SST25PF040B

4 Mbit 2.3-3.6V SPI Serial Flash

Microchip Technology 

SST25PF040B

CE#

MODE 3 0

7

SCK MODE 0

SI

EBSY

07

WREN

0 7 8 15 16 23 24 31 32 39 40 47

AD

A

A

A

D0 D1

Load AAI command, Address, 2 bytes data

0 7 8 15 16 23

AD D2 D3

SO

CE# cont.

Check for Flash Busy Status to load next valid1 command

SCK cont.

0 7 8 15 16 23

07

07

0 7 8 15

Note:

SI cont.

AD Dn-1 Dn

WRDI

DBSY

RDSR

Last 2

Data Bytes

WRDI followed by DBSY

to exit AAI Mode

SO cont.

Check for Flash Busy Status to load next valid1 command

DOUT

25134 AAI.HW.3

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

FIGURE 4-8:

AUTO ADDRESS INCREMENT (AAI) WORD-PROGRAM SEQUENCE WITH

HARDWARE END-OF-WRITE DETECTION

Wait TBP or poll Software Status

register to load next valid1 command

CE#

MODE 3 0 7 8 15 16 23 24 31 32 39 40 47

SCK MODE 0

SI

AD A A A D0 D1

Load AAI command, Address, 2 bytes data

SO

0 7 8 15 16 23

AD D2 D3

0 7 8 15 16 23

07

0 7 8 15

AD Dn-1 Dn

Last 2

Data Bytes

WRDI

RDSR

WRDI to exit

AAI Mode

DOUT

Note:

25134 AAI.SW.1

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

FIGURE 4-9:

AUTO ADDRESS INCREMENT (AAI) WORD-PROGRAM SEQUENCE WITH

SOFTWARE END-OF-WRITE DETECTION

 2012 Microchip Technology Inc.

DS25134A-page 11

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