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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ATmega16 датащи(PDF) 203 Page - ATMEL Corporation |
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ATmega16 датащи(HTML) 203 Page - ATMEL Corporation |
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203 / 357 page  203 2466S–AVR–05/09 ATmega16(L) When changing the ACIS1/ACIS0 bits, the Analog Comparator Interrupt must be disabled by clearing its Interrupt Enable bit in the ACSR Register. Otherwise an interrupt can occur when the bits are changed. Analog Comparator Multiplexed Input It is possible to select any of the ADC7..0 pins to replace the negative input to the Analog Com- parator. The ADC multiplexer is used to select this input, and consequently, the ADC must be switched off to utilize this feature. If the Analog Comparator Multiplexer Enable bit (ACME in SFIOR) is set and the ADC is switched off (ADEN in ADCSRA is zero), MUX2..0 in ADMUX select the input pin to replace the negative input to the Analog Comparator, as shown in Table 80. If ACME is cleared or ADEN is set, AIN1 is applied to the negative input to the Analog Comparator. Table 79. ACIS1/ACIS0 Settings ACIS1 ACIS0 Interrupt Mode 0 0 Comparator Interrupt on Output Toggle 01 Reserved 1 0 Comparator Interrupt on Falling Output Edge 1 1 Comparator Interrupt on Rising Output Edge Table 80. Analog Comparator Multiplexed Input ACME ADEN MUX2..0 Analog Comparator Negative Input 0 x xxx AIN1 1 1 xxx AIN1 1 0 000 ADC0 1 0 001 ADC1 1 0 010 ADC2 1 0 011 ADC3 1 0 100 ADC4 1 0 101 ADC5 1 0 110 ADC6 1 0 111 ADC7 |
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