
32.9.4 SPI Serial Programming Characteristics
Figure 32-8. Serial Programming Waveforms
MSB
MSB
LSB
LSB
SERIAL CLOCK INPUT
(SCK)
SERIAL DATA INPUT
(MOSI)
(MISO)
SAMPLE
SERIAL DATA OUTPUT
ATmega48PA/88PA/168PA
Memory Programming (MEMPROG)
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Datasheet Complete
DS40002011A-page 383