Microchip Technology MA330026 Data Sheet
dsPIC33FJ16(GP/MC)101/102 AND dsPIC33FJ32(GP/MC)101/102/104
DS70000652F-page 334
2011-2014 Microchip Technology Inc.
FIGURE 26-31:
ADC CONVERSION TIMING CHARACTERISTICS
(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000)
(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000)
FIGURE 26-32:
ADC CONVERSION TIMING CHARACTERISTICS (CHPS<1:0> = 01, SIMSAM = 0,
ASAM = 1, SSRC<2:0> = 111, SAMC<4:0> = 00001)
ASAM = 1, SSRC<2:0> = 111, SAMC<4:0> = 00001)
T
SAMP
Set SAMP
AD61
ADCLK
Instruction
SAMP
AD60
DONE
ADxIF
1
2
3
4
5
6
8
5
6
7
1 – Software sets ADxCON. SAMP to start sampling.
2 – Sampling starts after discharge period. T
SAMP
is described in “Analog-to-Digital Converter (ADC)”
3 – Software clears ADxCON. SAMP to start conversion.
4 – Sampling ends, conversion sequence starts.
5 – Convert bit 9.
8 – One T
AD
for end of conversion.
AD50
7
8
6 – Convert bit 8.
7 – Convert bit 0.
Execution
(DS70183) in the “dsPIC33/PIC24 Family Reference Manual”.
Clear SAMP
AD55
AD55
– Convert bit 9.
1
2
3
4
5
6
4
5
6
8
1 – Software sets ADxCON. ADON to start AD operation.
2 – Sampling starts after discharge period. T
SAMP
is described in
3 – Convert bit 9.
4 – Convert bit 8.
5 – Convert bit 0.
7
3
6 – One T
AD
for end of conversion.
7 – Begin conversion of next channel.
8 – Sample for time specified by SAMC<4:0>.
ADCLK
Instruction
Set ADON
Execution
SAMP
T
SAMP
ADxIF
DONE
AD55
AD55
T
SAMP
AD55
AD50
“Analog-to-Digital Converter (ADC)” (DS70183)
in the “dsPIC33/PIC24 Family Reference Manual”.
in the “dsPIC33/PIC24 Family Reference Manual”.