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Write
The following block diagram and waveforms illustrate the various write sequences available.
Operations
FLASH MEMORY ARRAY
PAGE (264 BYTES)
BUFFER TO
MAIN MEMORY
PAGE PROGRAM
BUFFER (264 BYTES)
MAIN MEMORY PAGE
BUFFER
WRITE
PROGRAM THROUGH
BUFFER
I/O INTERFACE
SI
Main Memory Page Program through Buffer
· Completes writing into buffer
· Starts self-timed erase/program operation
CS
SI
CMD
r ···r , PA8-7
PA6-0, BFA8
BFA7-0
n
n+1
Last Byte
Buffer Write
· Completes writing into buffer
CS
SI
CMD
X
X···X, BFA8
BFA7-0
n
n+1
Last Byte
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
Starts self-timed erase/program operation
CS
SI
CMD
r ···r , PA8-7
PA6-0, X
X
Each transition represents
8 bits and 8 clock cycles
n = 1st byte written
n+1 = 2nd byte written
16
AT45DB011B
1984J–DFLASH–06/06
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相关代理商/技术参数
AT45DB011B-XU 功能描述:闪存 1M SERIAL 2.7V - IND TEMP RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
AT45DB011D 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt Minimum DataFlash
AT45DB011D_07 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt DataFlash
AT45DB011D_08 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt Minimum DataFlash
AT45DB011D_09 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:1-megabit 2.7-volt Minimum DataFlash
AT45DB011D-DWF 制造商:Adesto Technologies Corporation 功能描述:1M DATAFLASH, 8-UDFN,IND,GRN,NIPDAU - 1MB, DATAFLASH, WAFER, - Gel-pak, waffle pack, wafer, diced wafer on film 制造商:Adesto Technologies Corporation 功能描述:DIE/WAFER FLASH 1MBIT 66MHZ
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