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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ATtiny261-15MZ 데이터시트(PDF) 66 Page - ATMEL Corporation |
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ATtiny261-15MZ 데이터시트(HTML) 66 Page - ATMEL Corporation |
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66 / 227 page  66 7753C–AVR–07/09 ATtiny261/ATtiny461/ATtiny861 Note: 1. INTRC means that one of the internal RC Oscillators are selected (by the CKSEL fuses), EXTCK means that external clock is selected (by the CKSEL fuses). 12.3.2 Alternate Functions of Port A The Port A pins with alternate function are shown in Table 12-6. The alternate pin configuration is as follows: • Port A, Bit 7- ADC6/AIN0/PCINT7 ADC6: Analog to Digital Converter, Channel 6. AIN0: Analog Comparator Input. Configure the port pin as input with the internal pull-up switched off to avoid the digital port function from interfering with the function of the Analog Comparator. PCINT7: Pin Change Interrupt source 8. Table 12-5. Overriding Signals for Alternate Functions in PB3..PB0 Signal Name PB3/OC1B/ PCINT11 PB2/SCK/USCK/SCL/ OC1B/PCINT10 PB1/MISO/DO/OC1A/ PCINT9 PB0/MOSI/DI/SDA/ OC1A/PCINT8 PUOE 0 0 0 0 PUOV 0 0 0 0 DDOE 0 USI_TWO_WIRE • USIPOS 0 USI_TWO_WIRE • USIPOS DDOV 0 (USI_SCL_HOLD + PORTB2) • DDB2 • USIPOS 0 (SDA + PORTB0) • DDB0 • USIPOS PVOE OC1B Enable OC1B Enable + USIPOS • USI_TWO_WIRE • DDB2 OC1A Enable + USIPOS • USI_THREE_WIRE OC1A Enable + (USI_TWO_WIRE • DDB0 • USIPOS) PVOV OC1B OC1B OC1A + (DO • USIPOS)OC1A PTOE 0 USITC • USIPOS 00 DIEOE PCINT11 • PCIE PCINT10 • PCIE + USISIE • USIPOS PCINT9 • PCIE PCINT8 • PCIE + (USISIE • USIPOS) DIEOV 0 0 0 0 DI PCINT11 USCK/SCL/PCINT10 PCINT9 DI/SDA/PCINT8 AIO Table 12-6. Port B Pins Alternate Functions Port Pin Alternate Function PA7 ADC6 / AIN0 / PCINT7 PA6 ADC5 / AIN1 / PCINT6 PA5 ADC4 / AIN2 / PCINT5 PA4 ADC3 /ICP0/ PCINT4 PA3 AREF / PCINT3 PA2 ADC2 / INT1 / USCK / SCL / PCINT2 PA1 ADC1 / DO / PCINT1 PA0 ADC0 / DI / SDA / PCINT0 |
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