NX25F641C Ver la hoja de datos (PDF) - NexFlash -> Winbond Electronics
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NX25F641C Datasheet PDF : 23 Pages
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NX25F641C
Table 3. Command Set for the NX25F641C Serial Flash Memory (3)
Command Name
Byte 1 Byte 2-3
Byte 4-5 or n-bytes
Sector and SRAM Read Commands
Read from Sector
Read from Sector w/Auto-Increment
Transfer Sector to SRAM-0 (2)
Transfer Sector to SRAM-1 (2)
Read SRAM-0 (1)
Read SRAM-1 (1)
52H
SA15:0
BA15:0 0000H Ready/Busy Data
50H
SA15:0
BA15:0 0000H Ready/Busy Data
53H
SA15:0
0000H 0000H
56H
SA15:0
0000H 0000H
71H
BA15:0
00H
Read Data
73H
BA15:0
00H
Read Data
Sector and SRAM Write Commands
Write Enable (1)
Write Disable (1)
Write Sector using SRAM-0 (2)
Write Sector using SRAM-1 (2)
Write to SRAM-0 (1)
Write to SRAM-1 (1)
06H
04H
F3H
SA15:0
BA15:0 Write Data+00H
94H
SA15:0
BA15:0 Write Data+00H
72H
BA15:0
Write Data+00H
74H
BA15:0
Write Data+00H
Transfer and Refresh Commands
Transfer SRAM-0 to Sector (2)
Transfer SRAM-1 to Sector (2)
Transfer SRAM-0 to SRAM-1 (2)
Transfer SRAM-1 to SRAM-0 (2)
Compare Sector to SRAM-0 (2)
Compare Sector to SRAM-1 (2)
Refresh Sector using SRAM-0 (2)
Refresh Sector using SRAM-1 (2)
F3H
SA15:0
0000H
94H
SA15:0
0000H
92H
0000H
0000H 0000H
55H
0000H
0000H 0000H
8DH
SA15:0
0000H 0000H
8EH
SA15:0
0000H 0000H
58H
SA15:0
0000H 0000H
59H
SA15:0
0000H 0000H
Configuration and Status Commands
Read Device Information Sector (2)
Read Configuration Register (1)
Write Configuration Register (1)
Read Status Register (1)
Clear Power Down Bit (1)
Set Power Down Bit (1)
15H
0000H
BA15:0 0000H Ready/Busy Data
8CH
CF15:0
8AH
CF15:0
0000H
84H
ST15:0
09H
03H
Notes:
1. Command may be used when device is busy
2. Command may not be used when device is busy
3. Additional commands such as Auto Increment and other commands offering compatibility with earlier generation NexFlash
devices are available. Contact NexFlash for further information.
NexFlash Technologies, Inc.
13
PRELIMINARY NXSF032A-0502
05/06/02 ©
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