Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
873
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
33.3 Block Diagram
Figure 33-1. Analog Comparator Block Diagram
33.4 Signal Description
for details on the pin mapping for this peripheral. One signal
can be mapped on several pins.
33.5 Product Dependencies
In order to use this peripheral, other parts of the system must be configured correctly, as described below.
33.5.1 I/O Lines
Using the AC’s I/O lines requires the I/O pins to be configured. Refer to the PORT chapter for details.
for details.
INTERRUPT MODE
ENABLE
ENABLE
HYSTERESIS
HYSTERESIS
DAC
VDDANA
SCALER
BANDGAP
+
-
+
-
CMP0
CMP1
INTERRUPTS
EVENTS
GCLK_AC
AIN3
AIN2
AIN1
AIN0
COMP0
COMP1
COMPCTRLn
WINCTRL
INTERRUPT
SENSITIVITY
CONTROL
&
WINDOW
FUNCTION
Signal Name
Type
Description
AIN[3..0]
Analog input
Comparator inputs
CMP[1..0]
Digital output
Comparator outputs