25X32AVFIG Просмотр технического описания (PDF) - Winbond

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25X32AVFIG

32M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI

Winbond 

W25X32A

10.2.2 Instruction Set (1)

INSTRUCTION

NAME

Write Enable

Write Disable

Read Status

Register

Write Status

Register

Read Data

Fast Read

Fast Read Dual

Output

Page Program

Block Erase

(64KB)

Sector Erase

(4KB)

Chip Erase

Power-down

Release Power-

down / Device ID

Manufacturer/

Device ID (3)

JEDEC ID

BYTE 1 BYTE 2

CODE

06h

04h

05h

(S7–S0)(1)

01h

S7–S0

03h

A23–A16

0Bh

A23–A16

BYTE 3

A15–A8

A15–A8

3Bh

A23–A16

A15–A8

02h

A23–A16

A15–A8

D8h

A23–A16

A15–A8

20h

A23–A16

C7h

B9h

ABh

dummy

A15–A8

dummy

90h

dummy

dummy

9Fh

(M7-M0)

Manufacturer

(ID15-ID8)

Memory

Type

BYTE 4 BYTE 5

BYTE 6

A7–A0

A7–A0

(D7–D0)

dummy

A7–A0 dummy

A7–A0 (D7–D0)

A7–A0

A7–A0

(Next byte)

(D7–D0)

I/O =

(D6,D4,D2,D0)

O=

(D7,D5,D3,D1)

(Next byte)

dummy (ID7-ID0)(4)

00h

(M7-M0) (ID7-ID0)

(ID7-ID0)

Capacity

N-BYTES

(2)

continuous

(Next Byte)

continuous

(one byte

per 4 clocks,

continuous)

Up to 256

bytes

Notes:

1. Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis “( )” indicate data being

read from the device on the DO pin.

2. The Status Register contents will repeat continuously until /CS terminates the instruction.

3. See Manufacturer and Device Identification table for Device ID information.

4. The Device ID will repeat continuously until /CS terminates the instruction.

- 15 -

Publication Release Date: August 7, 2009

Preliminary - Revision B

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