Datasheet

© 2007 Microchip Technology Inc. Preliminary DS70165E-page 349
dsPIC33F
FIGURE 26-27: ADC CONVERSION (12-BIT MODE) TIMING CHARACTERISTICS
(ASAM = 0, SSRC<2:0> = 000)
AD55
TSAMP
Clear SAMPSet SAMP
AD61
ADCLK
Instruction
SAMP
ch0_dischrg
ch0_samp
AD60
CONV
ADxIF
Buffer(0)
1 2 3 4 5 6 87
1
– Software sets ADxCON. SAMP to start sampling.
2
– Sampling starts after discharge period.
3
– Software clears ADxCON. SAMP to start conversion.
4
– Sampling ends, conversion sequence starts.
5
– Convert bit 11.
9
– One T
AD for end of conversion.
AD50
eoc
9
6
– Convert bit 10.
7
– Convert bit 1.
8
– Convert bit 0.
Execution
TSAMP is described in the “dsPIC30F Family Reference Manual”, Section 17.