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ATmega1284P датащи(PDF) 83 Page - ATMEL Corporation |
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ATmega1284P датащи(HTML) 83 Page - ATMEL Corporation |
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83 / 380 page ![]() 83 8059D–AVR–11/09 ATmega1284P 12.3.3 Alternate Functions of Port C The Port C alternate function is as follows: • TOSC2/PCINT23 – Port C, Bit7 TOSC2, Timer Oscillator pin 2. The PC7 pin can serve as an external interrupt source to the MCU. PCINT23, Pin Change Interrupt source 23: The PC7 pin can serve as an external interrupt source. Table 12-8. Overriding Signals for Alternate Functions in PB3:PB0 Signal Name PB3/AIN1/OC0B/ PCINT11 PB2/AIN0/INT2/ PCINT10 PB1/T1/CLKO/PCIN T9 PB0/T0/XCK/ PCINT8 PUOE 00 00 PUOV 00 00 DDOE 0 0 0 0 DDOV 0 0 0 0 PVOE OC0B ENABLE 0 0 0 PVOV OC0B 0 0 0 DIEOE PCINT11 • PCIE1 INT2 ENABLE PCINT10 • PCIE1 PCINT9 • PCIE1 PCINT8 • PCIE1 DIEOV 1 1 1 1 DI PCINT11 INPUT INT2 INPUT PCINT10 INPUT T1 INPUT PCINT9 INPUT T0 INPUT PCINT8 INPUT AIO – – – – Table 12-9. Port C Pins Alternate Functions Port Pin Alternate Function PC7 TOSC2 (Timer Oscillator pin 2) PCINT23 (Pin Change Interrupt 23) PC6 TOSC1 (Timer Oscillator pin 1) PCINT22 (Pin Change Interrupt 22) PC5 TDI (JTAG Test Data Input) PCINT21 (Pin Change Interrupt 21) PC4 TDO (JTAG Test Data Output) PCINT20 (Pin Change Interrupt 20) PC3 TMS (JTAG Test Mode Select) PCINT19 (Pin Change Interrupt 19) PC2 TCK (JTAG Test Clock) PCINT18 (Pin Change Interrupt 18) PC1 SDA (2-wire Serial Bus Data Input/Output Line) PCINT17 (Pin Change Interrupt 17) PC0 SCL (2-wire Serial Bus Clock Line) PCINT16 (Pin Change Interrupt 16) |
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