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ATmega325P 데이터시트(PDF) 73 Page - ATMEL Corporation |
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ATmega325P 데이터시트(HTML) 73 Page - ATMEL Corporation |
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73 / 364 page ![]() 73 8023F–AVR–07/09 ATmega325P/3250P Table 13-4 and Table 13-5 relate the alternate functions of Port B to the overriding signals shown in Figure 13-5 on page 69. SPI MSTR INPUT and SPI SLAVE OUTPUT constitute the MISO signal, while MOSI is divided into SPI MSTR OUTPUT and SPI SLAVE INPUT. Table 13-4. Overriding Signals for Alternate Functions in PB7:PB4 Signal Name PB7/OC2A/ PCINT15 PB6/OC1B/ PCINT14 PB5/OC1A/ PCINT13 PB4/OC0A/ PCINT12 PUOE 0000 PUOV 0000 DDOE 0000 DDOV 0000 PVOE OC2A ENABLE OC1B ENABLE OC1A ENABLE OC0A ENABLE PVOV OC2A OC1B OC1A OC0A PTOE –––– DIEOE PCINT15 • PCIE1 PCINT14 • PCIE1 PCINT13 • PCIE1 PCINT12 • PCIE1 DIEOV 1111 DI PCINT15 INPUT PCINT14 INPUT PCINT13 INPUT PCINT12 INPUT AIO –––– Table 13-5. Overriding Signals for Alternate Functions in PB3:PB0 Signal Name PB3/MISO/ PCINT11 PB2/MOSI/ PCINT10 PB1/SCK/ PCINT9 PB0/SS/ PCINT8 PUOE SPE • MSTR SPE • MSTR SPE • MSTR SPE • MSTR PUOV PORTB3 • PUD PORTB2 • PUD PORTB1 • PUD PORTB0 • PUD DDOE SPE • MSTR SPE • MSTR SPE • MSTR SPE • MSTR DDOV 0000 PVOE SPE • MSTR SPE • MSTR SPE • MSTR 0 PVOV SPI SLAVE OUTPUT SPI MSTR OUTPUT SCK OUTPUT 0 PTOE –––– DIEOE PCINT11 • PCIE1 PCINT10 • PCIE1 PCINT9 • PCIE1 PCINT8 • PCIE1 DIEOV 1111 DI PCINT11 INPUT SPI MSTR INPUT PCINT10 INPUT SPI SLAVE INPUT PCINT9 INPUT SCK INPUT PCINT8 INPUT SPI SS AIO –––– |
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