W25P80与W25P16
表盒内的
1.
2.
3.
4.
5.
6.
概述......................................................................................................... 4
FEATUR ES ................................................................................................................................ 4
引脚配置208-MIL.................................................................................................五
引脚说明208- MIL ......................................................................................................五
引脚配置300-MIL................................................................................................. 6
引脚说明300 - MIL ...................................................................................................... 6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
7.
8.
封装类型............................................................................................................... 7
片选( / CS ) ............................................................................................................ 7
串行数据输出( DO ) ............................................ .................................................. 7 ...
写保护(/WP)......................................................................................................... 7
HOLD ( / HOLD ) ............................................................................................................... 7
串行时钟(CLK ) .......................................................................................................... 7
串行数据输入( DI ) ...................................................................................................... 7
框图...................................................................................................................... 8
功能说明................................................ .................................................. 9
8.1
SPI OPERATIONS ......................................................................................................... 9
8.1.1
8.1.2
SPI Modes........................................................................................................................9
HOLD Function.................................................................................................................9
写保护Features......................................................................................................9
8.2
9.
写PROTECTION.................................................................................................... 9
8.2.1
控制和状态寄存器.............................................. ..................................... 10
9.1
状态寄存器................................................ .................................................. .. 10
9.1.1
9.1.2
9.1.3
9.1.4
9.1.5
9.1.6
BUSY..............................................................................................................................10
写使能锁存器( WEL ) ............................................ .................................................. 10
块保护位( BP2 , BP1 , BP0 ) ........................................ ........................................ 11
保留位.................................................................................................................11
状态寄存器保护( SRP ) ............................................ ............................................ 11
状态寄存器内存保护.............................................. .................................. 12
制造商和设备标识.............................................. ............................ 13
指令集
(1)
.............................................................................................................14
写使能(06h)..........................................................................................................15
读状态寄存器(05h ) ............................................ ................................................ 16
写状态寄存器( 01H ) ............................................ ................................................ 17
读数据( 03H ) .............................................................................................................18
快速阅读(值0Bh ) .............................................................................................................19
9.2
INSTRUCTIONS........................................................................................................... 13
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.2.6
9.2.7
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