PIC24HJ12GP201ESLASHML datasheet(217/234 Pages) MICROCHIP

217 / 234 page

Preliminary

DS70282B-page 215

PIC24HJ12GP201/202

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 “PIC24H Family Reference Manual”.

1 – Software sets AD1CON. 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 “PIC24H Family Reference Manual”.

PIC24HJ12GP201E/ML Datasheet(PDF) 217 Page - Microchip Technology

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