ATXMEGA256A3BU Datasheet, PDF (53/143 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A3BUMicrocontroller

Figure 31-1. Analog comparator overview.
Pin Input
+
Pin Input
DAC
Voltage
Scaler
Bandgap
Pin Input
-
ACnMUXCTRL
Hysteresis
Enable
Interrupt
Mode
ACnCTRL
WINCTRL
Enable
Hysteresis
+
AC0OUT
Interrupt
Sensititivity
Control
&
Window
Function
Interrupts
Events
AC1OUT
-
Pin Input
The window function is realized by connecting the external inputs of the two analog comparators in a pair as shown in
Figure 31-2.
Figure 31-2. Analog comparator window function.
Upper limit of window
+
AC0
-
Input signal
+
AC1
Lower limit of window _-
Interrupt
sensitivity
control
Interrupts
Events
XMEGA A3BU [DATASHEET]
53
8362F–AVR–02/2013