DSPIC33FJ12MC202 Microchip Technology Inc., DSPIC33FJ12MC202 Datasheet - Page 267

• Manufacturer Part Number: DSPIC33FJ12MC202
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

FIGURE 23-23:
FIGURE 23-24:
© 2007 Microchip Technology Inc.
Instruction
Execution
ADCLK
SAMP
DONE
ADxIF
1 – Software sets ADxCON. SAMP to start sampling.
2 – Sampling starts after discharge period. T
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 T
Instruction
Execution
1 – Software sets ADxCON. ADON to start AD operation.
2 – Sampling starts after discharge period. T
3 – Convert bit 9.
4 – Convert bit 8.
ADCLK
SAMP
DONE
ADxIF
in the “dsPIC33F Family Reference Manual”.
Section 28. “10/12-bit ADC without DMA” in the “dsPIC33F Family
Reference Manual'.
Set ADON
AD50
Set SAMP
AD
AD61
for end of conversion.
AD50
1
ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS
(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000)
ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS (CHPS<1:0> = 01,
SIMSAM = 0, ASAM = 1, SSRC<2:0> = 111, SAMC<4:0> = 00001)
1
2
Clear SAMP
2
T
AD60
SAMP
T
SAMP
3
4
3
SAMP
SAMP
5
4
is described in Section 28. “10/12-bit ADC without DMA”
AD55
Preliminary
is described in
6
dsPIC33FJ12MC201/202
5
AD55
6
7
7
8
3
5 – Convert bit 0.
6 – One T
7 – Begin conversion of next channel.
8 – Sample for time specified by SAMC<4:0>.
4
AD55
5
AD
6
for end of conversion.
5
AD55
6
7
DS70265B-page 265
T
SAMP
8
8
AD55