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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) 215 Page - ATMEL Corporation |
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ATMEGA16 датащи(HTML) 215 Page - ATMEL Corporation |
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215 / 315 page  215 ATmega16(L) 2466E–AVR–10/02 • ADC9:0: ADC Conversion Result These bits represent the result from the conversion, as detailed in “ADC Conversion Result” on page 210. Special FunctionIO Register – SFIOR • Bit 7:5 – ADTS2:0: ADC Auto Trigger Source If ADATE in ADCSRA is written to one, the value of these bits selects which source will trigger an ADC conversion. If ADATE is cleared, the ADTS2:0 settings will have no effect. A conversion will be triggered by the rising edge of the selected interrupt flag. Note that switching from a trigger source that is cleared to a trigger source that is set, will generate a positive edge on the trigger signal. If ADEN in ADCSRA is set, this will start a conversion. Switching to Free Running mode (ADTS[2:0]=0) will not cause a trig- ger event, even if the ADC Interrupt Flag is set . • Bit 4 – ADHSM: ADC High Speed Mode Writing this bit to one enables the ADC High Speed mode. This mode enables higher conversion rate at the expense of higher power consumption. Bit 765 4 3 210 ADTS2 ADTS1 ADTS0 ADHSM ACME PUD PSR2 PSR10 SFIOR Read/Write R/W R/W R/W R/W R/W R/W R/W R/W Initial Value 0 0 0 0 0 0 0 0 Table 85. ADC Auto Trigger Source Selections ADTS2 ADTS1 ADTS0 Trigger Source 0 0 0 Free Running mode 0 0 1 Analog Comparator 0 1 0 External Interrupt Request 0 0 1 1 Timer/Counter0 Compare Match 1 0 0 Timer/Counter0 Overflow 1 0 1 Timer/Counter Compare Match B 1 1 0 Timer/Counter1 Overflow 1 1 1 Timer/Counter1 Capture Event |
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