ATMEGA88PV-10PU Datasheet, PDF (316/420 Pages) ATMEL Corporation – 8-bit Atmel Microcontroller with 4/8/16K Bytes In-System Programmable Flash

Figure 29-4. SPI Interface Timing Requirements (Master Mode)
SS
6
1
SCK
(CPOL = 0)
2
2
SCK
(CPOL = 1)
45
3
MISO
(Data Input)
MSB
...
7
LSB
8
MOSI
(Data Output)
MSB
...
LSB
Figure 29-5. SPI Interface Timing Requirements (Slave Mode)
SS
9
SCK
(CPOL = 0)
SCK
(CPOL = 1)
13
14
MOSI
(Data Input)
MSB
...
15
MISO
(Data Output)
MSB
...
10
16
11
11
12
LSB
17
LSB
X
316 ATmega48P/88P/168P
8025M–AVR–6/11