Datasheet

© 2011 Microchip Technology Inc. DS70118J-page 183
dsPIC30F2010
FIGURE 22-25: 10-BIT HIGH-SPEED A/D CONVERSION TIMING CHARACTERISTICS
(CHPS = 01, SIMSAM = 0, ASAM = 1, SSRC = 111, SAMC = 00001)
AD55
TSAMP
SET ADON
ADCLK
Instruction
SAMP
ch0_dischrg
ch1_samp
DONE
ADIF
ADRES(0)
ADRES(1)
1 2 3 4 5 6 4 5 6 8
1
– Software sets ADCON. ADON to start AD operation.
2
– Sampling starts after discharge period. T
SAMP is described
3
– Convert bit 9.
4
– Convert bit 8.
5
– Convert bit 0.
AD50
ch0_samp
ch1_dischrg
eoc
7 3
AD55
6
– One T
AD for end of conversion.
7
– Begin conversion of next channel
8
– Sample for time specified by SAMC. T
SAMP is
TSAMP
TCONV
3 4
Execution
in Section 17. “10-bit A/D Converter” (DS70064) of the
”dsPIC30F Family Reference Manual” (DS70046).
described in Section 17. “10-bit A/D Converter”
(DS70064) of the ”dsPIC30F Family Reference
Manual” (DS70046).