PIC18F23K22 Datasheet, PDF (340/492 Pages) Microchip Technology – 28/40/44-Pin, Low-Power, High-Performance Microcontrollers with nanoWatt XLP Technology

PIC18(L)F2X/4XK22
FIGURE 22-1:
DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
Reserved
FVR BUF1
VREF+
VDD
DACPSS<1:0>
DACEN
DACLPS
DACNSS
VREF-
VSS
Digital-to-Analog Converter (DAC)
11
10
01
00
2
VSRC+
R
R
R
R
R
32
Steps
5
11111
11110
R
R
00001
R
00000
1
VSRC-
0
DACR<4:0>
DAC
(To Comparator, CSM and
ADC Modules)
DACOUT
DACOE
FIGURE 22-2:
VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
PIC^® MCU
DAC
Module
R
Voltage
Reference
Output
Impedance
DACOUT
+
–
Buffered DAC Output
DS41412B-page 340
Preliminary
 2010 Microchip Technology Inc.