AT25FS040 Просмотр технического описания (PDF) - Atmel Corporation

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производитель

AT25FS040

High Speed Small Sectored SPI Flash Memory

Atmel Corporation 

Figure 5-4. RDSR Timing

CS

SCK

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

SI

RDSR OP-CODE

SO

HIGH IMPEDANCE

Figure 5-5. WRSR Timing

CS

DATA OUT

76543210

MSB

SCK

SI

01

2 3 4 5 6 7 8 9 10 11 12 13 14 15

WRSR OP-CODE

765

DATA IN

43

21 0

SO

Figure 5-6. READ Timing

CS

HIGH IMPEDANCE

SCK

0 1 2 3 4 5 6 7 8 9 10 11 12 29 30 31 32 33 34 35 36 37 38 39 40

...

OPCODE

ADDRESS BITS A23 - A0

SI

0 0 0 0 0 0 1 1 A A A A A A ... A A A

MSB

MSB

SO

HIGH IMPEDANCE

DDDDDDDDDD

MSB

MSB

16 AT25FS040

5107E–SFLSH–8/07

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