NX25F011B Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

NX25F011B

1M-BIT, 2M-BIT, AND 4M-BIT SERIAL FLASH MEMORIES WITH 4-PIN SPI INTERFACE

Unspecified 

NX25F011B

NX25F021B

NX25F041B

Command Set for the NX25F011B, NX25F021B and NX25F041B Serial Flash Memory

Command Name

Byte 0 Byte 1-2

Byte 3-4

n- bytes

(Italics indicate device output)

Sector Commands

Read From Sector

52H Sectoraddress

Read From Sector w/AutoInc (3)

50H Sectoraddress

Read From Sector Low Freq.

51H Sectoraddress

Read From Sector

w/AutoInc Low Freq (3)

5BH Sectoraddress

Write Enable (1)

06H 00H

Write Disable (1)

04H 00H

Write to Sector (through SRAM) (2)

F3H Sectoraddress

Serial SRAM Commands

Write to SRAM (2), (3)

72H Byteaddress

Read from SRAM (1),(3)

71H Byteaddress

Transfer all of SRAM to Sector

F3H Sectoraddress

Transfer all of Sector to SRAM (3)

53H Sectoraddress

Compare Sector to SRAM (3)

8DH Sectoraddress

Configuration and Status Commands

ReadConfiguration (1),(3)

8CH Configuration

Write Non-Volatile

Configuration Register (1)

8AH Configuration

Read Status Register (1),(3)

84H Status(8bits)

Clear Compare Status (1)

89H

Set Power Detection Bit (1),(3)

03H

Reset Power Detection Bit(1),(3)

09H

Read Device Information Sector

15H 0000H

Special Sector Commands (3),(4)

Erase Sector

F1H Sectoraddress

Erase Block

F4H Blockaddress

Write-Only to Sector through SRAM

F2H Sectoraddress

Compatibility Commands for 25xxxA Series Devices

Read from SRAM

81H 0000H

Write to SRAM

82H 0000H

Read Configuration Register

8BH 0000H

Read Status Register

83H 0000H

Transfer Sector to SRAM Clocked

54H Sectoraddress

Compare Sector to SRAM Clocked

86H Sectoraddress

Byte address

0000H

Byte address

0000H

Byte address

Write data

00H

0000H

0000H

Byte address

0000H

Byte address

0000H

0000H

Byte address

Byte address

Byte address

0000H

0000H

Byte address

Byte address

0000H

0000H

0000H

0000H

Ready/Busy

Ready/Busy

Ready/Busy

Ready/Busy

Read Data

Read Data

Read Data

Read Data

WriteData 00H

00H

Read Data

0000H

0000H

0000H Ready/Busy DISData

WriteData 00H

0000H Read/Busy

Read Data

Writedata 00H

0000H Ready/Busy Configuration

0000H Ready/Busy Status

N*00H 00H

0000H Ready/Busy Bitcompareofdata

1

2

3

4

5

6

7

8

9

10

11

Notes:

1. Command may be used when device is busy

2. Command may not be used when device is busy and TR bit=0

3. New “B” series command

4. Warning: Read description of these commands before using to ensure reliable operation.

12

NexFlash Technologies, Inc.

15

PRELIMINARY NXSF016F-1201

12/12/01 ©

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