Datasheet

PIC16(L)F707
DS41418B-page 94  2010-2011 Microchip Technology Inc.
FIGURE 11-1: DIGITAL-TO-ANALOG CONVERTER BLOCK DIAGRAM
EXAMPLE 11-1: VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
16-to-1 MUX
DACR<4:0>
R
DACEN
V
DD
VREF
DACPSS[1:0] = 00
R
R
R
R
R
R
32 Steps
DAC
FVR
DACPSS[1:0] = 01
DACPSS[1:0] = 10
DACOUT pin
DACOE
DACLPS
DACEN
DACLPS
BUFFER 2
(To Capacitive
Sensing Module)
R
Buffered DAC Output
+
–
DAC
Module
Voltage
Reference
Output
Impedance
R
DACOUT
PIC16F707/
PIC16LF707