at45db321c ATMEL Corporation, at45db321c Datasheet - Page 31

• Manufacturer Part Number: at45db321c
• Description: 32-megabit 2.7 Volt Dataflash At45db321c For New Designs Use At45db321d
• Manufacturer: ATMEL Corporation

15.5.5
15.6
Figure 15-1. Algorithm for Programming or Reprogramming of the Entire Array Sequentially
Notes:
3387M–DFLASH–2/08
SCK
SO
CS
SI
Auto Page Rewrite Flowchart
1. This type of algorithm is used for applications in which the entire array is programmed sequentially, filling the array page-by-
2. A page can be written using either a Main Memory Page Program operation or a Buffer Write operation followed by a Buffer
3. The algorithm above shows the programming of a single page. The algorithm will be repeated sequentially for each page
Manufacturer and Device ID Read (Opcode: 9FH)
page.
to Main Memory Page Program operation.
within the entire array.
t
SU
1
1
MAIN MEMORY PAGE PROGRAM
2
HIGH IMPEDANCE
0
THROUGH BUFFER
3
COMMAND OPCODE
0
(82H, 85H)
4
1
5
1
6
1
7
1
START
8
t
V
END
1
9
provide address
MSB
0
and data
MEMORY PAGE PROGRAM
10
MANUFACTURER ID
BUFFER TO MAIN
0
BUFFER WRITE
11
(84H, 87H)
(83H, 86H)
PRODUCT ID OUTPUT
0
12
1
AT45DB321C
LSB
1
17
MSB
0
18
0
31