AT25F512A 查看數據表（PDF） - Atmel Corporation

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AT25F512A

512Kbit High Speed SPI Serial Flash Memory 512K (65,536 x 8)

Atmel Corporation 

Figure 9. PROGRAM Timing

CS

AT25F512A

0 1 2 3 4 5 6 7 8 9 10 11 28 29 30 31 32 33 34

SCK

3-BYTE ADDRESS

1st BYTE DATA-IN

128th BYTE DATA-IN

SI

INSTRUCTION

23 22 21 3 2 1 0 7 6 5 4 3 2 1 0

SO

HIGH IMPEDANCE

Figure 10. HOLD Timing

CS

SCK

HOLD

SO

tCD

tHD

tHZ

Figure 11. SECTOR ERASE Timing

CS

tCD

tHD

tLZ

SCK

0 1 2 3 4 5 6 7 8 9 10 11 28 29 30 31

INSTRUCTION

3-BYTE ADDRESS

SI

0 1 0 1 X 0 1 0 23 22 21 ... 3 2 1 0

SO

HIGH IMPEDANCE

X = Don’t Care bit

13

3345F–FLASH–11/06

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