DSPIC33FJ64GP204T-I/SO 데이터 시트보기 (PDF) - Microchip Technology

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DSPIC33FJ64GP204T-I/SO

High-Performance, 16-bit Digital Signal Controllers

Microchip Technology 

dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04

FIGURE 30-20:

ADC CONVERSION (12-BIT MODE) TIMING CHARACTERISTICS

(ASAM = 0, SSRC<2:0> = 000)

AD50

ADCLK

Instruction

Execution Set SAMP

SAMP

AD61

DONE

Clear SAMP

AD60

TSAMP

AD55

AD1IF

12

34 5 6

789

1 – Software sets AD1CON. SAMP to start sampling.

2 – Sampling starts after discharge period. TSAMP is described in

Section 28. “Analog-to-Digital Converter (ADC) without DMA”

(DS70210) in the “dsPIC33F/PIC24H Family Reference Manual”.

Please see the Microchip web site (www.microchip.com)

for the latest dsPIC33F Family Reference Manual sections.

3 – Software clears AD1CON. SAMP to start conversion.

4 – Sampling ends, conversion sequence starts.

5 – Convert bit 11.

6 – Convert bit 10.

7 – Convert bit 1.

8 – Convert bit 0.

9 – One TAD for end of conversion.

 2009 Microchip Technology Inc.

Preliminary

DS70292D-page 357

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