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ATtiny261A-MU Datasheet(PDF) 96 Page - ATMEL Corporation |
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ATtiny261A-MU Datasheet(HTML) 96 Page - ATMEL Corporation |
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96 / 292 page ![]() 96 8197A–AVR–10/09 ATtiny261A/461A/861A Figure 12-10. Compare Match Output Unit, Schematic The general I/O port function is overridden by the Output Compare (OC1x / OC1x) from the Dead Time Generator if either of the COM1x1:0 bits are set. However, the OC1x pin direction (input or output) is still controlled by the Data Direction Register (DDR) for the port pin. The Data Direction Register bit for the OC1x and OC1x pins (DDR_OC1x and DDR_OC1x) must be set as output before the OC1x and OC1x values are visible on the pin. The port override function is independent of the Output Compare mode. PORTB0 DDRB0 DQ DDRB1 PORTB1 DQ DQ DQ clkI/O PORTB2 DDRB2 D Q DDRB3 PORTB3 D Q D Q D Q PORTB4 DDRB4 DQ DDRB5 PORTB5 DQ DQ DQ 1 0 1 0 OC1D PIN 2 1 0 Dead Time Generator D Q Q OCW1D clkTn OC1D PIN Output Compare Pin Configuration COM1D1:0 WGM11 OC1OE5:4 1 0 1 0 1 0 OC1B PIN 2 1 0 Dead Time Generator B Q Q OCW1B clkTn OC1B PIN Output Compare Pin Configuration COM1B1:0 WGM11 OC1OE3:2 1 0 1 0 OC1A PIN 0 1 Dead Time Generator A Q Q OCW1A clkTn OC1A PIN Output Compare Pin Configuration COM1A1:0 WGM11 OC1OE1:0 1 0 OC1A OC1A OC1B OC1B OC1D OC1D |
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