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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT90LS4433-4AI датащи(PDF) 74 Page - ATMEL Corporation |
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AT90LS4433-4AI датащи(HTML) 74 Page - ATMEL Corporation |
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74 / 126 page  74 AT90S/LS4433 1042H–AVR–04/03 controlled by DDB2. When the pin is forced to be an input, the pull-up can still be con- trolled by the PORTB2 bit. See the description of the SPI port for further details. • OC1 – Port B, Bit 1 OC1, Output Compare Match output: PB1 pin can serve as an external output for the Timer/Counter1 Output Compare. The pin has to be configured as an output (DDB1 set [one]) to serve this function. See the timer description on how to enable this function. The OC1 pin is also the output pin for the PWM mode timer function. • ICP – Port B, Bit 0 ICP, Input Capture Pin: PB0 pin can serve as an external input for the Timer/Counter1 input capture. The pin has to be configured as an input (DDB0 cleared [zero]) to serve this function. See the timer description on how to enable this function. Figure 50. Port B Schematic Diagram (Pin PB0) D D Q Q RESET RESET C C WD WP RD MOS PULL- UP PB0 R R WP: WD: RL: RP: RD: ACIC: ACO: WRITE PORTB WRITE DDRB READ PORTB LATCH READ PORTB PIN READ DDRB COMPARATOR IC ENABLE COMPARATOR OUTPUT DDB6 PORTB0 NOISE CANCELER EDGE SELECT ICF1 ICNC1 ICES1 0 1 ACIC ACO RL RP |
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