參數(shù)資料
型號: AT45BR3214B
廠商: Atmel Corp.
英文描述: 32-MEGABIT DATAFLASH + 4-MEGABIT SRAM STACK MEMORY
中文描述: 32-MEGABIT的DataFlash 4兆位的SRAM堆棧內(nèi)存
文件頁數(shù): 18/40頁
文件大?。?/td> 488K
代理商: AT45BR3214B
18
AT45BR3214B
3356B–DFLASH–10/04
Write Operations
The following block diagram and waveforms illustrate the various write sequences
available.
Main Memory Page Program through Buffers
Buffer Write
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
Each transition represents
8 bits and 8 clock cycles
FLASH MEMORY ARRAY
PAGE (528 BYTES)
BUFFER 2 (528 BYTES)
BUFFER 1 (528 BYTES)
I/O INTERFACE
SI
BUFFER 1 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY
PAGE PROGRAM
THROUGH BUFFER 2
BUFFER 2 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY PAGE
PROGRAM THROUGH
BUFFER 1
BUFFER 1
WRITE
BUFFER 2
WRITE
SI
CMD
n
n+1
Last Byte
· Completes writing into selected buffer
· Starts self-timed erase/program operation
CS
r , PA12-6
PA5-0, BFA9-8
BFA7-0
SI
CMD
X
X···X, BFA9-8
BFA7-0
n
n+1
Last Byte
· Completes writing into selected buffer
CS
SI
CMD
PA5-0, XX
X
CS
Starts self-timed erase/program operation
r , PA12-6
n = 1st byte read
n+1 = 2nd byte read
相關PDF資料
PDF描述
AT45BR3214B-C1 32-MEGABIT DATAFLASH + 4-MEGABIT SRAM STACK MEMORY
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相關代理商/技術參數(shù)
參數(shù)描述
AT45BR3214B-C1 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:32-MEGABIT DATAFLASH + 4-MEGABIT SRAM STACK MEMORY
AT45CS1282 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:128-megabit 2.7-volt Dual-interface Code Shadow DataFlash
AT45CS1282-TC 功能描述:閃存 128M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結構:256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel
AT45CS1282-TI 功能描述:IC FLASH 128MBIT 50MHZ 40TSOP RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:96 系列:- 格式 - 存儲器:閃存 存儲器類型:FLASH 存儲容量:16M(2M x 8,1M x 16) 速度:70ns 接口:并聯(lián) 電源電壓:2.65 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:48-TFSOP(0.724",18.40mm 寬) 供應商設備封裝:48-TSOP 包裝:托盤
AT45D011 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1-Megabit 5.0-volt Only Serial DataFlash