PIC18LF24K Datasheet, PDF (426/594 Pages) –

PIC18(L)F26/45/46K40
FIGURE 31-1:
ADC² BLOCK DIAGRAM
ADPREF<1:0>
External
Channel
Inputs
Internal
Channel
Inputs
VREF+ pin FVR_buffer1
Reserved
11
Positive
Reference
10
Select
01
00
AN0
VDD
ADNREF
VREF- pin ¹
0
VSS
ADCS<2:0>
ANa
ANz
.
.
.
VSS
sampled
input
Vref- Vref+
ADC_clk
ADC
Clock
Select
FOSC/n ^Fosc
Divider
FRC
Temp Indicator
DACx_output
FVR_buffer1
ADC
Sample Circuit
ADC CLOCK SOURCE
CHS<4:0>
set bit ADIF
ADFM
Write to bit
GO/DONE _Q1
GO/DONE
Q2
complete
start
Q4
Enable
10
10-bit Result
16
ADRESH ADRESL
Rev. 10-000034B
10/13/2015
FOSC
FRC
TRIGSEL<3:0>
Trigger Select
...
Trigger Sources
AUTO CONVERSION
TRIGGER
ADON
VSS
 2016 Microchip Technology Inc.
Preliminary
DS40001816C-page 426