Datasheet

PIC32MX5XX/6XX/7XX
DS61156G-page 218 © 2009-2011 Microchip Technology Inc.
FIGURE 31-19: ANALOG-TO-DIGITAL CONVERSION (10-BIT MODE) TIMING
CHARACTERISTICS (ASAM = 0, SSRC<2:0> = 000)
AD55
TSAMP
Clear SAMPSet SAMP
AD61
ADCLK
Instruction
SAMP
ch0_dischrg
AD60
CONV
ADxIF
Buffer(0)
Buffer(1)
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 Section 17. “10-bit A/D Converter” (DS61104) of the
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
ch0_samp
eoc
7
AD55
8
6
– Convert bit 8.
7
– Convert bit 0.
Execution
“PIC32 Family Reference Manual”.