Rainbow Electronics ATmega64C1 - Manual (Page 166)

166
7647A–AVR–02/08
ATmega32/64/M1/C1
Figure 15-4. SPI Transfer Format with CPHA = 1
SCK (CPOL = 0)
mode 1
SAMPLE I
MOSI/MISO
CHANGE 0
MOSI PIN
CHANGE 0
MISO PIN
SCK (CPOL = 1)
mode 3
SS
MSB
LSB Bit 6
Bit 1 Bit 5
Bit 2 Bit 4
Bit 3 Bit 3
Bit 4 Bit 2
Bit 5 Bit 1
Bit 6 LSB
MSB MSB first (DORD = 0)
LSB first (DORD = 1)