Datasheet

dsPIC30F2011/2012/3012/3013
DS70139G-page 184 © 2010 Microchip Technology Inc.
FIGURE 20-21: 12-BIT A/D CONVERSION TIMING CHARACTERISTICS
(ASAM = 0, SSRC = 000)
AD55
TSAMP
Clear SAMPSet SAMP
AD61
ADCLK
Instruction
SAMP
ch0_dischrg
ch0_samp
AD60
DONE
ADIF
ADRES(0)
1 2 3 4 5 6 87
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 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 Section 18. “12-bit A/D Converter” in the dsPIC30F Family Reference Manual (DS70046).