AT45DB321D-SU-SL954 ATMEL [ATMEL Corporation], AT45DB321D-SU-SL954 Datasheet - Page 41
![no-image](/images/no-image-200.jpg)
AT45DB321D-SU-SL954
Manufacturer Part Number
AT45DB321D-SU-SL954
Description
32-megabit 2.7-volt DataFlash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT45DB321D-SU-SL954.pdf
(57 pages)
- Current page: 41 of 57
- Download datasheet (2Mb)
23. Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
23.1
23.2
3597N–DFLASH–04/09
SO (OUTPUT)
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
SI (INPUT)
SO (OUTPUT)
SI (INPUT)
CS
CS
MAIN MEMORY
PAGE (512/528 BYTES)
BUFFER 1 (512/528 BYTES)
BUFFER 1
BUFFER 1
PAGE TO
CMD
READ
ADDRESS FOR BINARY PAGE SIZE
CMD
A21-A16
PA12-6
PA5-0, BA9-8
FLASH MEMORY ARRAY
A15-A8
I/O INTERFACE
PA12-6
SO
A7-A0
BA7-0
MAIN MEMORY
PAGE READ
A21-A9 + 9 DON'T CARE BITS
BINARY PAGE SIZE
BUFFER 2 (512/528 BYTES)
X
4 Dummy Bytes
PA5-0, XX
Starts reading page data into buffer
MAIN MEMORY
PAGE TO
BUFFER 2
BUFFER 2
READ
X
XXXX XXXX
n
n+1
41
Related parts for AT45DB321D-SU-SL954
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![AT45DB321D-CNU](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
ATMEL Corporation
Datasheet:
![AT45DB321D](/images/no-image3.png)
Part Number:
Description:
32-megabit 2.7-volt DataFlash
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
![at45db321d-su-sl955](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
32-megabit 2.7-volt Dataflash
Manufacturer:
ATMEL Corporation
Datasheet:
![AT88SC0204CA-SH](/images/no-image3.png)
Part Number:
Description:
Atmel CryptoMemory
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
![AT88SC0808CA-SH](/images/no-image3.png)
Part Number:
Description:
Atmel CryptoMemory
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
![AT88SC1616C-SH](/images/no-image3.png)
Part Number:
Description:
Atmel CryptoMemory, 16Kbit
Manufacturer:
ATMEL [ATMEL Corporation]
Datasheet:
![U641B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
![U4082B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
![U4089B](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
![U4255BM-M](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
![U4089B-P](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
![TDA4470](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet: