Rainbow-electronics ATmega3290P_V Manuale Utente Scaricare il pdf (Pagina 317)

317

ATmega329/3290/649/6490

2552H–AVR–11/06

Figure 140. SPI Interface Timing Requirements (Master Mode)

Figure 141. SPI Interface Timing Requirements (Slave Mode)

MOSI

(Data Output)

SCK

(CPOL = 1)

MISO

(Data Input)

SCK

(CPOL = 0)

SS

MSB LSB

LSBMSB

...

...

61

22

345

8

7

MISO

(Data Output)

SCK

(CPOL = 1)

MOSI

(Data Input)

SCK

(CPOL = 0)

SS

MSB LSB

LSBMSB

...

...

10

11 11

1213 14

17

15

9

X

16

1 2 ... 312 313 314 315 316 317 318 319 320 321 322 ... 374 375

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