AT45DB642D-CNU-SL954 ATMEL [ATMEL Corporation], AT45DB642D-CNU-SL954 Datasheet - Page 48

• Manufacturer Part Number: AT45DB642D-CNU-SL954
• Description: 64-megabit 2.7-volt Dual-interface DataFlash
• Manufacturer: ATMEL [ATMEL Corporation]

25.4
26. Auto Page Rewrite Flowchart
Figure 26-1. Algorithm for Programming or Reprogramming of the Entire Array Sequentially
Notes:
48
Status Register Read (Opcode: D7H)
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
AT45DB642D
page.
to Main Memory Page Program operation.
within the entire array.
MAIN MEMORY PAGE PROGRAM
(OUTPUT)
THROUGH BUFFER
I/O7-I/O0
I/O7-I/O0
(INPUT)
CLK
(82H, 85H)
CS
IMPEDANCE
t
SU
HIGH
CMD
0
X
1
t
STATUS REGISTER
V
START
X
2
END
OUTPUT
DATA
provide address
3
and data
MEMORY PAGE PROGRAM
BUFFER TO MAIN
BUFFER WRITE
(84H, 87H)
(83H, 86H)
DATA
3542H–DFLASH–4/08