参数资料
型号: W25Q40BWSNIG
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 4M X 1 SPI BUS SERIAL EEPROM, PDSO8
封装: 3.81 MM, GREEN, PLASTIC, SOIC-8
文件页数: 11/70页
文件大小: 2088K
代理商: W25Q40BWSNIG
W25Q40BW
Publication Release Date: January 27, 2011
- 19 -
Preliminary - Revision A
8.2.4
Instruction Set Table 3 (ID, Security Instructions)
INSTRUCTION
NAME
BYTE 1
(CODE)
BYTE 2
BYTE 3
BYTE 4
BYTE 5
BYTE 6
Release Power down/
Device ID
ABh
dummy
(ID7-ID0)
(1)
Manufacturer/
Device ID
(2)
90h
dummy
00h
(MF7-MF0)
(ID7-ID0)
Manufacturer/Device ID
by Dual I/O
92h
A23-A8
A7-A0, M[7:0]
(MF[7:0], ID[7:0])
Manufacture/Device ID
by Quad I/O
94h
A23-A0, M[7:0] xxxx, (MF[7:0], ID[7:0]) (MF[7:0], ID[7:0], …)
JEDEC ID
9Fh
(MF7-MF0)
Manufacturer
(ID15-ID8)
Memory Type
(ID7-ID0)
Capacity
Read Unique ID
4Bh
dummy
(ID63-ID0)
Erase
Security Registers
(3)
44h
A23–A16
A15–A8
A7–A0
Program
Security Registers
(3)
42h
A23–A16
A15–A8
A7–A0
D7-D0
Read
Security Registers
(3)
48h
A23–A16
A15–A8
A7–A0
dummy
(D7-0)
Notes:
1. The Device ID will repeat continuously until /CS terminates the instruction.
2. See Manufacturer and Device Identification table for Device ID information.
3. Security Register Address:
Security Register 0: A23-16 = 00h; A15-8 = 00h; A7-0 = byte address
Security Register 1: A23-16 = 00h; A15-8 = 10h; A7-0 = byte address
Security Register 2: A23-16 = 00h; A15-8 = 20h; A7-0 = byte address
Security Register 3: A23-16 = 00h; A15-8 = 30h; A7-0 = byte address
Please note that Security Register 0 is Reserved by Winbond for future use. It is recommended to use Security
registers 1- 3 before using register 0.
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