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參數資料
| 型號： | AT45D081 |
| 廠商： | Atmel Corp. |
| 英文描述： | 8-Megabit 5-volt Only Serial DataFlash |
| 中文描述： | 8兆位5伏只有串行的DataFlash |
| 文件頁數： | 8/16頁 |
| 文件大?。?/td> | 115K |
| 代理商： | AT45D081 |
AT45D081
8
Main Memory Page Program through Buffers
SI
CMD
n
n+1
Last Byte
· Completes writing into selected buffer
· Starts self-timed erase/program operation
CS
r r r, PA11-7
PA6-0, BFA8
BFA7-0
Buffer Write
SI
CMD
X
X···X, BFA8
BFA7-0
n
n+1
Last Byte
· Completes writing into selected buffer
CS
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
SI
CMD
PA6-0, X
CS
Starts self-timed erase/program operation
r r r, PA11-7
Each transition represents
8 bits and 8 clock cycles
Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
FLASH MEMORY ARRAY
PAGE (264 BYTES)
BUFFER 2 (264 BYTES)
BUFFER 1 (264 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
n = 1st byte written
n+1 = 2nd byte written
相關PDF資料 |
PDF描述 |
|---|---|
| AT45D081-RC | 8-Megabit 5-volt Only Serial DataFlash |
| AT45D081-RI | 8-Megabit 5-volt Only Serial DataFlash |
| AT45D081-TC | 8-Megabit 5-volt Only Serial DataFlash |
| AT45D081-TI | 8-Megabit 5-volt Only Serial DataFlash |
| AT45D161-JC | 16-Megabit 5-volt Only Serial DataFlash |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AT45D081A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8M bit. 5.0-Volt Only Serial-Interface Flash with Two 264-Byte SRAM Buffers. For new designs please use AT45DB081B. |
| AT45D081A-JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
| AT45D081A-JI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
| AT45D081A-RC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-megabit 5-volt Only Serial DataFlash |
| AT45D081A-RI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-megabit 5-volt Only Serial DataFlash |
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