Rainbow Electronics W25X64 User Manual

Page 17

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W25X16, W25X32, W25X64

Publication Release Date: June 28, 2006

- 17 - Preliminary - Revision B

11.2.2 Instruction Set

(1)

INSTRUCTION
NAME

BYTE 1
CODE

BYTE 2

BYTE 3

BYTE 4

BYTE 5

BYTE 6

N-BYTES

Write

Enable

06h

Write

Disable

04h

Read Status
Register

05h (S7–S0)

(1)

(2)

Write Status
Register

01h

S7–S0

Read Data

03h

A23–A16

A15–A8

A7–A0

(D7–D0)

(Next byte)

continuous

Fast Read

0Bh

A23–A16

A15–A8

A7–A0

dummy

(D7–D0)

(Next Byte)
continuous

Fast Read Dual
Output

3Bh A23–A16 A15–A8 A7–A0

dummy

I/O =
(D6,D4,D2,D0)
O =
(D7,D5,D3,D1)

(one byte
per 4 clocks,
continuous)

Page Program

02h

A23–A16

A15–A8

A7–A0

(3)

(D7–D0)

(Next

byte)

Up to 256
bytes

Block Erase
(64KB)

D8h A23–A16 A15–A8 A7–A0

Sector Erase
(4KB)

20h A23–A16 A15–A8 A7–A0

Chip

Erase

C7h

Power-down

B9h

Release Power-
down / Device ID

ABh dummy

dummy dummy

(ID7-ID0)

(4)

Manufacturer/
Device ID

(3)

90h dummy dummy 00h

(M7-M0)

(ID7-ID0)

JEDEC ID

9Fh

(M7-M0)
Manufacturer

(ID15-ID8)
Memory
Type

(ID7-ID0)
Capacity


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.

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