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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ATMEGA8-16PU датащи(PDF) 72 Page - ATMEL Corporation |
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ATMEGA8-16PU датащи(HTML) 72 Page - ATMEL Corporation |
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72 / 308 page  72 2486T–AVR–05/08 ATmega8(L) 8-bit Timer/Counter Register Description Timer/Counter Control Register – TCCR0 • Bit 2:0 – CS02:0: Clock Select The three clock select bits select the clock source to be used by the Timer/Counter. If external pin modes are used for the Timer/Counter0, transitions on the T0 pin will clock the counter even if the pin is configured as an output. This feature allows software control of the counting. Timer/Counter Register – TCNT0 The Timer/Counter Register gives direct access, both for read and write operations, to the Timer/Counter unit 8-bit counter. Timer/Counter Interrupt Mask Register – TIMSK • Bit 0 – TOIE0: Timer/Counter0 Overflow Interrupt Enable When the TOIE0 bit is written to one, and the I-bit in the Status Register is set (one), the Timer/Counter0 Overflow interrupt is enabled. The corresponding interrupt is executed if an overflow in Timer/Counter0 occurs, i.e., when the TOV0 bit is set in the Timer/Counter Interrupt Flag Register – TIFR. Bit 765 4321 0 – – – – – CS02 CS01 CS00 TCCR0 Read/Write R R R R R R/W R/W R/W Initial Value 000 0000 0 Table 34. Clock Select Bit Description CS02 CS01 CS00 Description 0 0 0 No clock source (Timer/Counter stopped). 001 clkI/O/(No prescaling) 010 clkI/O/8 (From prescaler) 011 clkI/O/64 (From prescaler) 100 clkI/O/256 (From prescaler) 101 clkI/O/1024 (From prescaler) 1 1 0 External clock source on T0 pin. Clock on falling edge. 1 1 1 External clock source on T0 pin. Clock on rising edge. Bit 765 4321 0 TCNT0[7:0] TCNT0 Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 0000 0 Bit 765 4321 0 OCIE2 TOIE2 TICIE1 OCIE1A OCIE1B TOIE1 – TOIE0 TIMSK Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 000 0000 0 |
Аналогичный номер детали - ATMEGA8-16PU |
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Аналогичное описание - ATMEGA8-16PU |
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