Datasheet

51
XMEGA A3U [DATASHEET]
Atmel-8386D-AVR-ATxmega64A3U-128A3U-192A3U-256A3U–03/2014
Figure 30-1. Analog comparator overview.
The window function is realized by connecting the external inputs of the two analog comparators in a pair as shown in
Figure 30-2.
Figure 30-2. Analog comparator window function.
ACnMUXCTRL
ACnCTRL
Interrupt
Mode
Enable
Enable
Hysteresis
Hysteresis
AC1OUT
WINCTRL
Interrupt
Sensititivity
Control
&
Window
Function
Events
Interrupts
AC0OUT
Pin Input
Pin Input
Pin Input
Pin Input
Voltage
Scaler
DAC
Bandgap
+
-
+
-
AC0
+
-
AC1
+
-
Input signal
Upper limit of window
Lower limit of window
Interrupt
sensitivity
control
Interrupts
Events