Datasheet
dsPIC30F4011/4012
DS70135G-page 216 © 2010 Microchip Technology Inc.
FIGURE 24-25: 10-BIT HIGH-SPEED A/D CONVERSION TIMING CHARACTERISTICS
(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000)
TSAMP
Set SAMP
AD61
ADCLK
Instruction
SAMP
ch0_dischrg
ch1_samp
AD60
DONE
ADIF
ADRES(0)
ADRES(1)
1 2 3 4 5 6 9 5 6 8
1
- Software sets ADCONx. SAMP to start sampling.
2
- Sampling starts after discharge period.
3
- Software clears ADCONx. SAMP to start conversion.
4
- Sampling ends, conversion sequence starts.
5
- Convert bit 9.
9
- One T
AD for end of conversion.
AD50
ch0_samp
ch1_dischrg
eoc
8 9
6
- Convert bit 8.
8
- Convert bit 0.
Execution
TSAMP is described in Section 17. 10-Bit A/D Converter” in the “dsPIC30F Family Reference Manual” (DS70046).
Clear SAMP
AD55 AD55