DSPIC33FJ12GP201TESLASHML datasheet(225/242 Pages) MICROCHIP

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Preliminary

DS70264B-page 223

dsPIC33FJ12GP201/202

FIGURE 21-18:

ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS

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

FIGURE 21-19:

ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS (CHPS<1:0> = 01,

SIMSAM = 0, ASAM = 1, SSRC<2:0> = 111, SAMC<4:0> = 00001)

AD55

TSAMP

Clear SAMP

Set SAMP

AD61

ADCLK

Instruction

SAMP

AD60

DONE

AD1IF

Buffer(0)

Buffer(1)

1 – Software sets AD1CON. SAMP to start sampling.

2 – Sampling starts after discharge period. TSAMP is described in Section 28. “10/12-bit ADC without DMA”

3 – Software clears AD1CON. SAMP to start conversion.

4 – Sampling ends, conversion sequence starts.

5 – Convert bit 9.

8 – One TAD for end of conversion.

AD50

AD55

6 – Convert bit 8.

7 – Convert bit 0.

Execution

in the “dsPIC33F Family Reference Manual”. Please see the Microchip web site for the latest dsPIC33F

Family Reference Manual sections.

1 – Software sets ADxCON. ADON to start AD operation.

2 – Sampling starts after discharge period.

3 – Convert bit 9.

4 – Convert bit 8.

5 – Convert bit 0.

6 – One TAD for end of conversion.

7 – Begin conversion of next channel.

8 – Sample for time specified by SAMC<4:0>.

TSAMP is described in Section 28. “10/12-bit ADC without DMA”

ADCLK

Instruction

Set ADON

Execution

SAMP

TSAMP

AD1IF

DONE

AD55

TSAMP

AD55

AD50

in the “dsPIC33F Family Reference Manual”. Please refer to

the Microchip web site for the latest dsPIC33F Family

Reference Manual sections.

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