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参数资料
| 型号： | AT45DB081 |
| 厂商： | Atmel Corp. |
| 英文描述： | 8-Megabit 2.7-volt Only Serial DataFlash |
| 中文描述： | 8兆位2.7伏，只有序列的DataFlash |
| 文件页数： | 8/16页 |
| 文件大小： | 115K |
| 代理商： | AT45DB081 |
AT45DB081
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
相关PDF资料 |
PDF描述 |
|---|---|
| AT45DB081-RC | 8-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB081-RI | 8-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB081-TC | 8-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB081-TI | 8-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB161-CC | 16-Megabit 2.7-volt Only Serial DataFlash |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT45DB081A | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.7-volt Only Serial DataFlash |
| AT45DB081A-CC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SPI Serial EEPROM |
| AT45DB081A-CI | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-megabit 2.7-volt Only Serial DataFlash |
| AT45DB081A-JC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SPI Serial EEPROM |
| AT45DB081A-JI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SPI Serial EEPROM |
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