Техническая Спецификация для Atmel Xplained Pro Evaluation Kit ATSAMD20-XPRO ATSAMD20-XPRO
Модели
ATSAMD20-XPRO
542
Atmel | SMART SAM D20 [DATASHEET]
Atmel-42129K–SAM-D20_datasheet–06/2014
30.
DAC – Digital-to-Analog Converter
30.1
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).
30.2
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)
30.3
Block Diagram
Figure 30-1. DAC Block Diagram
30.4
Signal Description
for the pin mapping of this peripheral. One signal can be
mapped on several pins.
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