
dsPIC30F3014/4013
DS70138G-page 208
2010 Microchip Technology Inc.
FIGURE 23-23:
12-BIT A/D CONVERSION TIMING CHARACTERISTICS
(ASAM = 0, SSRC = 000)
AD55
TSAMP
Clear SAMP
Set SAMP
AD61
ADCLK
Instruction
SAMP
ch0_dischrg
ch0_samp
AD60
DONE
ADIF
ADRES(0)
1
2
3
4
5
6
8
7
1 - Software sets ADCON. SAMP to start sampling.
2 - Sampling starts after discharge period.
3 - Software clears ADCON. SAMP to start conversion.
4 - Sampling ends, conversion sequence starts.
5 - Convert bit 11.
9 - One TAD for end of conversion.
AD50
eoc
9
6 - Convert bit 10.
7 - Convert bit 1.
8 - Convert bit 0.
Execution
TSAMP is described in Section 18. “12-bit A/D Converter” of the dsPIC30F Family Reference Manual (DS70046).