ATXMEGA128B1 Datasheet, PDF (50/138 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA B1 Microcontroller

Figure 30-1. Analog comparator overview
Pin Input
Pin Input
Voltage
Scaler
Bandgap
Pin Input
Pin Input
+
AC0
-
Hysteresis
Enable
ACnMUXCTRL
Interrupt
ACnCTRL ^Mode
Enable
+
AC1
-
Hysteresis
WINCTRL
AC0OUT
Interrupt
Sensititivity ^Interrupts
Control
&
Events
Window
Function
AC1OUT
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
Upper limit of window
Input signal
+
AC0
-
Lower limit of window
+
AC1
-
Interrupt
sensitivity
control
Interrupts
Events
XMEGA B1 [DATASHEET] 50
8330C–AVR–07/2012