Datasheet

2011-2013 Microchip Technology Inc. DS40001441D-page 335
PIC12(L)F1840
TABLE 30-9: ADC CONVERSION REQUIREMENTS
FIGURE 30-12: ADC CONVERSION TIMING (NORMAL MODE)
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C TA +125°C
Param
No.
Sym. Characteristic Min. Typ† Max. Units Conditions
AD130* TAD ADC Clock Period 1.0 9.0 sFOSC-based
ADC Internal RC Oscillator
Period
1.0 2.0 6.0
s ADCS<2:0> = x11 (ADC FRC mode)
AD131 T
CNV Conversion Time (not including
Acquisition Time)
(Note 1)
—11—TAD Set GO/DONE bit to conversion
complete
AD132* T
ACQ Acquisition Time 5.0 s
* These parameters are characterized but not tested.
Data in “Typ” column is at 3.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Note 1: The ADRES register may be read on the following TCY cycle.
AD131
AD130
BSF ADCON0, GO
Q4
ADC CLK
ADC Data
ADRES
ADIF
GO
Sample
OLD_DATA
Sampling Stopped
DONE
NEW_DATA
765 3210
Note 1: If the ADC clock source is selected as RC, a time of TCY is added before the ADC clock starts. This allows the
SLEEP instruction to be executed.
1 TCY
4
AD134
(TOSC/2
(1)
)
1 TCY
AD132