JS48F4400P0P3C0 datasheet(100/139 Pages) NUMONYX

100 / 139 page

Numonyx™ StrataFlash® Cellular Memory (M18)

Datasheet

April 2008

100

309823-10

10.0

Device Command Codes

Table 48: Command Bus Operations

Command

Code

(Setup/Confirm)

Description

Program Read

Configuration Register

0060h/0003h

Issuing this command sequence programs the Read Configuration

Program Enhanced

Configuration Register

0060h/0004h

Issuing this command sequence programs the Enhanced

Configuration Register. The ECR value is placed on the address

bus.

Program OTP Register

00C0h

Issuing this command programs the Protection Registers or the

Lock Registers associated with them.

Read Array

00FFh

Issuing this command places the addressed partition in Read Array

mode. Subsequent reads outputs array data.

Read Status Register

0070h

Issuing this command places the addressed partition in Read

Status mode. Subsequent reads outputs Status Register data.

Clear Status Register

0050h

Issuing this command clears all error bits in the Status Register.

Read Device Information

0090h

Issuing this command places the addressed partition in Read

Device Information mode. Subsequent reads from specified

address offsets outputs unique device information.

CFI Query

0098h

Issuing this command places the addressed partition in CFI Query

mode. Subsequent reads from specified address offsets outputs

CFI data.

Word Program

0041h

This command prepares the device for programming a single word

into the flash array. On the next bus write cycle, the address and

data are latched and written to the flash array. The addressed

partition automatically switches to Read Status Register mode.

Buffered Program

00E9h/00D0h

This command sequence initiates and executes a buffered

programming operation. Additional bus write/read cycles are

required between the setup and confirm commands to properly

perform this operation. The addressed partition automatically

switches to Read Status Register mode.

Buffered Enhanced Factory

Program

0080h/00D0h

This command sequence initiates and executes a BEFP operation.

Additional bus write/read cycles are required after the confirm

command to properly perform the operation. The addressed

partition automatically switches to Read Status Register mode.

Block Erase

0020h/00D0h

Issuing this command sequence erases the addressed block. The

addressed partition automatically switches to Read Status mode.

Program/Erase Suspend

00B0h

Issuing this command to any device address initiates a suspend of

a program or block-erase operation already in progress. SR6 = 1

indicates erase suspend, and SR2 = 1 indicates program suspend.

Program/Erase Resume

00D0h

Issuing this command to any device address resumes a suspended

program or block-erase operation. A program suspend nested

within an erase suspend is resumed first.

Blank Check

00BCh/00D0h

This command sequence initiates the blank check operation on a

block.

Lock Block

0060h/0001h

Issuing this command sequence sets the lock bit of the addressed

block.

Unlock Block

0060h/00D0h

Issuing this command sequence clears the lock bit of the

addressed block.

Lock Down Block

0060h/002Fh

Issuing this command sequence locks down the addressed block.

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