ATXMEGA32A4-CUR Atmel, ATXMEGA32A4-CUR Datasheet - Page 317
ATXMEGA32A4-CUR
Manufacturer Part Number
ATXMEGA32A4-CUR
Description
MCU AVR 32+4 FLASH 49VFBGA
Manufacturer
Atmel
Series
AVR® XMEGAr
Specifications of ATXMEGA32A4-CUR
Core Processor
AVR
Core Size
8/16-Bit
Speed
32MHz
Connectivity
I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 3.6 V
Data Converters
A/D 12x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
49-VFBGA
For Use With
ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPI
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
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Price
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26. DAC - Digital to Analog Converter
26.1
26.2
8077H–AVR–12/09
Features
Overview
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The DAC converts digital values to analog voltages. The DAC has 12-bit resolution and is capa-
ble of converting 1 million samples per second. The output from the DAC can either be
continuous to one pin, or fed to two different pins using a sample and hold (S/H) circuitry. A sep-
arate low power mode is available, and the DAC can be gain and offset calibrated.
The output signal swing is defined by the reference voltage (VREF). The following sources are
available as VREF in the DAC:
The output voltage from a DAC channel is given as:
Figure 26-1 on page 318
ity is shown.
V
• AV
• Internal 1.00V
• External reference applied to the AREF pin on PORTA or PORTB
12-bit resolution
Up to 1 Msps conversion rate
Flexible conversion range
Multiple trigger sources
1 continuous time or 2 Sample/Hold (S/H) outputs
Built-in offset and gain calibration
High drive capabilities
Internal/External reference
Possibility to use as input to analog comparator or ADC
Power reduction mode
DACx
CC
=
CHnDATA
--------------------------- - VREF
0xFFF
⋅
illustrates the basic functionality related to the DAC. Not all functional-
XMEGA A
317
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