ATXMEGA256A3U Datasheet, PDF (49/116 Pages) ATMEL Corporation – 8/16-bit Atmel XMEGA A3U Microcontroller

XMEGA A3U
Figure 29-1. Analog comparator overview
Pin Input
Pin Input
DAC
Voltage
Scaler
Bandgap
Pin Input
AC0OUT
ACnMUXCTRL
Enable
Hysteresis
Interrupt
ACnCTRL ^Mode
Enable
Hysteresis
WINCTRL
Interrupt
Sensititivity ^Interrupts
Control
&
Events
Window
Function
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 29-2..
Figure 29-2. Analog comparator window function
Upper limit of window
Input signal
+
AC0
-
Lower limit of window
+
AC1
-
Interrupt
sensitivity
control
Interrupts
Events
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8386A–AVR–07/11