AT45DB021D-SSH-B-RET Atmel, AT45DB021D-SSH-B-RET Datasheet - Page 41

• Manufacturer Part Number: AT45DB021D-SSH-B-RET
• Manufacturer: Atmel

3638J–DFLASH–5/10
20.
Figure 19-11. Manufacturer and Device Read (Opcode 9FH)
Auto Page Rewrite Flowchart
Figure 20-1. Algorithm for Programming or Reprogramming of the Entire Array Sequentially
Notes:
SCK
SO
CS
SI
MAIN MEMORY PAGE PROGRAM
Note: Each transition
1. This type of algorithm is used for applications in which the entire array is programmed sequentially, filling the array
2. A page can be written using either a Main Memory Page Program operation or a Buffer Write operation followed by
3. The algorithm above shows the programming of a single page. The algorithm will be repeated sequentially for each
page-by-page
a Buffer to Main Memory Page Program operation
page within the entire array
THROUGH BUFFER
HIGH-IMPEDANCE
0
OPCODE
(82H)
9FH
6
7
shown for SI and SO represents one byte (8 bits)
8
1FH
14
15
DEVICE ID BYTE 1
16
START
END
provide address
22
and data
23
MEMORY PAGE PROGRAM
DEVICE ID BYTE 2
24
BUFFER TO MAIN
BUFFER WRITE
30
(84H)
(83H)
31
32
00H
Atmel AT45DB021D
38
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