DSPIC33FJ64GP710AI/MR 데이터 시트보기 (PDF) - Microchip Technology

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DSPIC33FJ64GP710AI/MR

High-Performance, 16-Bit Digital Signal Controllers

Microchip Technology 

dsPIC33FJXXXGPX06A/X08A/X10A

FIGURE 25-25:

ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS

(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000)

AD50

ADCLK

Instruction

Execution Set SAMP

SAMP

Clear SAMP

ch0_dischrg

ch0_samp

ch1_dischrg

ch1_samp

eoc

AD61

CONV

ADxIF

Buffer(0)

Buffer(1)

AD60

TSAMP

AD55

AD55

12

34 5 6

78

56

78

1 – Software sets ADxCON. SAMP to start sampling.

2 – Sampling starts after discharge period. TSAMP is described in Section 16. “Analog-to-Digital Converter (ADC)”

(DS70183) in the “dsPIC33F/PIC24H Family Reference Manual”.

3 – Software clears ADxCON. SAMP to start conversion.

4 – Sampling ends, conversion sequence starts.

5 – Convert bit 9.

6 – Convert bit 8.

7 – Convert bit 0.

8 – One TAD for end of conversion.

DS70593C-page 316

© 2011 Microchip Technology Inc.

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