PIC16LF18854 Datasheet, PDF (356/668 Pages) Microchip Technology – C Compiler Optimized RISC Architecture

PIC16(L)F18856/76
23.5.8 CONTINUOUS SAMPLING MODE
Setting the ADCONT bit in the ADCON0 register
automatically retriggers a new conversion cycle after
updating the ADACC register. That means the ADGO
bit is set to generate automatic retriggering, until the
device Reset occurs or the A/D Stop-on-interrupt bit
(ADSOI in the ADCON3 register) is set (correct logic).
23.5.9 DOUBLE SAMPLE CONVERSION
Double sampling is enabled by setting the ADDSEN bit
of the ADCON1 register. When this bit is set, two
conversions are required before the module will
calculate threshold error (each conversion must still be
triggered separately). The first conversion will set the
ADMATH bit of the ADSTAT register and update
ADACC, but will not calculate ADERR or trigger ADTIF.
When the second conversion completes, the first value
is transferred to ADPREV (depending on the setting of
ADPSIS) and the value of the second conversion is
placed into ADRES. Only upon the completion of the
second conversion is ADERR calculated and ADTIF
triggered (depending on the value of ADCALC).
DS40001824A-page 356
Preliminary
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