JS28F320J3F75 datasheet(48/67 Pages) NUMONYX

48 / 67 page

Datasheet

Numonyx® Embedded Flash Memory (J3 65 nm) Single Bit per Cell (SBC)

11.0

Device Command Codes

For a complete definition on device operations refer to Section 8.4, “Device Commands”

on page 33. The list of all applicable commands are included here one more time for

the convenience.

Note:

Some customer applications use illegal or invalid commands (like 0x00) accidentally or

intentionally with the device. An illegal or invalid command caused the device output to

change to Array Read mode on 130nm. On the 65nm device, the output will change to

Read Status Register mode.

After an illegal or invalid command, software may attempt to read the device. If the

illegal command was intentional, software will expect to read array data on 130nm

device, such as 0xFFFF in an unprogrammed location. On the 65nm device, software

may not get the expected array data and instead the status register is read.

Please refer to the legal and valid commands/spec defined in the Datasheet, such as

forread mode, issue 0xFF to Read Array mode, 0x90 to Read Signature, 0x98 to Read

CFI/OTP array mode.

Table 34: Command Bus Cycles and Command Codes

Command

Setup Write Cycle

Confirm Write Cycle

Address Bus

Data Bus

Address Bus

Data Bus

Program Enhanced Configuration Register

0060h

0004h

Program OTP Register

Device Address

00C0h

Clear Status Register

Device Address

0050h

—

Program STS Configuration Register

Device Address

00B8h

Device Address

Read Array

Device Address

00FFh

—

Read Status Register

Device Address

0070h

—

Read Identifier Codes (Read Device Information)

Device Address

0090h

—

CFI Query

Device Address

0098h

—

Word/Byte Program

Device Address

0040h/

0010h

Device Address

Array Data

Buffered Program

Block Address

00E8h

Block Address

00D0h

Block Erase

Block Address

0020h

Block Address

00D0h

Program/Erase Suspend

Device Address

00B0h

—

Program/Erase Resume

Device Address

00D0h

—

Set Block Lock Bit

Block Address

0060h

Block Address

0001h

Clear Block Lock Bits

Device Address

0060h

Device Address

00D0h

Blank Check

Block Address

00BCh

Block Address

00D0h

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