Microchip Technology MA330031-2 Data Sheet
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70000657H-page 464
2011-2013 Microchip Technology Inc.
FIGURE 30-37:
ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS
(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000, SSRCG = 0)
(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000, SSRCG = 0)
FIGURE 30-38:
ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS (CHPS<1:0> = 01,
SIMSAM = 0, ASAM = 1, SSRC<2:0> = 111, SSRCG = 0, SAMC<4:0> = 00010)
SIMSAM = 0, ASAM = 1, SSRC<2:0> = 111, SSRCG = 0, SAMC<4:0> = 00010)
T
SAMP
Set SAMP
AD61
ADCLK
Instruction
SAMP
AD60
DONE
AD1IF
1
2
3
4
5
6
8
5
6
7
1 – Software sets AD1CON1. SAMP to start sampling.
2 – Sampling starts after discharge period. T
SAMP
is described in
3 – Software clears AD1CON1. 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
“dsPIC33/PIC24 Family Reference Manual”
.
“Analog-to-Digital Converter (ADC)”
(DS70621) in the
Clear SAMP
AD55
AD55
1
2
3
4
5
6
4
5
6
8
1 – Software sets AD1CON1. 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
AD1IF
DONE
AD55
AD55
T
SAMP
AD55
AD50
“Analog-to-Digital Converter (ADC)”
(DS70621)
in the “dsPIC33/PIC24 Family Reference Manual”.
AD62