PIC16F707 Datasheet, PDF (92/284 Pages) Microchip Technology – 40/44-Pin, Flash Microcontrollers with nanoWatt XLP and mTouch™ Technology

PIC16F707/PIC16LF707
FIGURE 11-1:
DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
DACEN
DACLPS
VDD ^{DACPSS[1:0] = 00}
VREF
DACPSS[1:0] = 01
FVR ^{DACPSS[1:0] = 10}
BUFFER 2
DACEN
DACLPS
R
R
R
R
R
32 Steps
R
R
R
DACR<4:0>
(To Capacitive
Sensing Module)
DAC
DACOE
DACOUT pin
EXAMPLE 11-1: VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
PIC16F707/
PIC16LF707
DAC
Module
R
Voltage
Reference
Output
Impedance
DACOUT
+
–
Buffered DAC Output
DS41418A-page 92
Preliminary
 2010 Microchip Technology Inc.