NX25F011B 查看數據表（PDF） - Unspecified

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NX25F011B

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

Unspecified 

NX25F011B

NX25F021B

NX25F041B

Clear Compare Status (89H)

The Clear Compare Status command (89H) works in con-

junction with the Compare Sector to SRAM command and

the Status Register. If any of the compared bits are not

equal, then the Compare Not Equal (CNE) bit in the Status

Register is set to a 1. The Clear Compare Status command

must be executed to reset the CNE bit to a 0.

Clear Compare

Status

Command 8 Clocks

SI

89H

00H

SO

Set Power Detection Bit (03H)

The Set Power Detection Bit command (03H) can be used

to detect if power has been removed from the device. The

command works in conjunction with the Power Detect (PD)

status bit. Upon power up the PD bit is cleared to 0. The PD

bit can be set to a 1 using the Set Power Detection Bit

command. Once set, if a power down condition occurs

(Vcc voltage < 2V) the PD bit will reset to 0. This function

is especially useful for applications using NexFlash Serial

Flash Modules or other removable media.

Set Power

Detection

Bit

8 Clocks

SI

03H

00H

SO

Reset Power Detection Bit (09H)

The Reset Power Detection Bit command (09H) can be used

to force the Power Detect Status bit in the status register to

a 0 state. (see Set Power Detection Bit command (03H).

Reset Power

Detection

Bit

8 Clocks

SI

09H

00H

SO

NexFlash Technologies, Inc.

PRELIMINARY NXSF016F-1201

12/12/01 ©

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