dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
FIGURE 30-20:
ADC CONVERSION (12-BIT MODE) TIMING CHARACTERISTICS
(ASAM = 0, SSRC<2:0> = 000)
AD50
ADCLK
Instruction
Execution Set SAMP
SAMP
AD61
DONE
Clear SAMP
AD60
TSAMP
AD55
AD1IF
12
34 5 6
789
1 – Software sets AD1CON. SAMP to start sampling.
2 – Sampling starts after discharge period. TSAMP is described in
Section 28. “Analog-to-Digital Converter (ADC) without DMA”
(DS70210) in the “dsPIC33F/PIC24H Family Reference Manual”.
Please see the Microchip web site (www.microchip.com)
for the latest dsPIC33F Family Reference Manual sections.
3 – Software clears AD1CON. SAMP to start conversion.
4 – Sampling ends, conversion sequence starts.
5 – Convert bit 11.
6 – Convert bit 10.
7 – Convert bit 1.
8 – Convert bit 0.
9 – One TAD for end of conversion.
2009 Microchip Technology Inc.
Preliminary
DS70292D-page 357