Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Data Sheet
Product codes
ATSAMD21-XPRO
901
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
34.
DAC – Digital-to-Analog Converter
34.1 Overview
The Digital-to-Analog Converter (DAC) converts a digital value to a voltage. The DAC has one channel with 10-bit
resolution, and it is capable of converting up to 350,000 samples per second (350ksps).
resolution, and it is capable of converting up to 350,000 samples per second (350ksps).
34.2 Features
z
DAC with 10-bit resolution
z
Up to 350ksps conversion rate
z
Multiple trigger sources
z
High-drive capabilities
z
Output can be used as input to the Analog Comparator (AC)
z
DMA support
34.3 Block Diagram
Figure 34-1. DAC Block Diagram
34.4 Signal Description
EVCTRL
DATABUF
DATA
CTRLA
CTRLB
STATUS
EVENT
CONTROL
DAC10
Output
driver
AV
CC
INT1V
VREFA
V
OUT
ADC
AC
EMPTY
START
Signal Name
Type
Description
VOUT
Analog output
DAC output
VREFA
Analog input
External reference