AT32UC3L-EK Atmel, AT32UC3L-EK Datasheet - Page 599
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AT32UC3L-EK
Manufacturer Part Number
AT32UC3L-EK
Description
KIT EVAL AVR32 UC3 MCU
Manufacturer
Atmel
Type
MCUr
Specifications of AT32UC3L-EK
Contents
*
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
UC3L
Kit Contents
Board
Features
USB / Battery Powered, Board Controller / Bootloader
Svhc
No SVHC (15-Dec-2010)
Rohs Compliant
Yes
Tool Type
Starter Kit
Cpu Core
AVR 8
Data Bus Width
8 bit
Processor Series
AT32
Processor To Be Evaluated
AT32UC3L064
Interface Type
USB, Capacitive Touch
For Use With/related Products
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3L-EK
Manufacturer:
Atmel
Quantity:
135
- Current page: 599 of 858
- Download datasheet (13Mb)
26. ADC Interface (ADCIFB)
26.1
26.2
32099F–11/2010
Features
Overview
Rev.:1.0.1.1
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The ADC Interface (ADCIFB) converts analog input voltages to digital values. The ADCIFB is
based on a Successive Approximation Register (SAR) 10-bit Analog-to-Digital Converter (ADC).
The conversions extend from 0V to ADVREFP.
The ADCIFB supports 8-bit and 10-bit resolution mode, in addition to enhanced resolution mode
with 11-bit and 12-bit resolution. Conversion results are reported in a common register for all
channels.
The 11-bit and 12-bit resolution modes are obtained by interpolating multiple samples to acquire
better accuracy. For 11-bit mode 4 samples are used, which gives an effective sample rate of
1/4 of the actual sample frequency. For 12-bit mode 16 samples are used, giving a effective
sample rate of 1/16 of actual. This arrangement allows conversion speed to be traded for better
accuracy.
Conversions can be started for all enabled channels, either by a software trigger, by detection of
a level change on the external trigger pin (TRIGGER), or by an integrated programmable timer.
When the Resistive Touch Screen Mode is enabled, an integrated sequencer automatically con-
figures the pad control signals and performs resistive touch screen conversions.
The ADCIFB also integrates an ADC Sleep Mode, a Pen-Detect Mode, and an Analog Compare
Mode, and connects with one Peripheral DMA Controller channel. These features reduce both
power consumption and processor intervention.
Multi-channel Analog-to-Digital Converter with up to 12-bit resolution
Enhanced Resolution Mode
Pseudorandom Noise Generator used for Enhanced Resolution Mode
Glueless interface with resistive touch screen panel, allowing
Integrated enhanced sequencer
Numerous trigger sources
ADC Sleep Mode for low power ADC applications
Programmable ADC timings
– 11-bit resolution obtained by interpolating 4 samples
– 12-bit resolution obtained by interpolating 16 samples
– Resistive Touch Screen position measurement
– Pen detection and pen loss detection
– ADC Mode
– Resistive Touch Screen Mode
– Software
– Embedded 16-bit timer for periodic trigger
– Pen detect trigger
– Continuous trigger
– External trigger, rising, falling, or any-edge trigger
– Peripheral event trigger
– Programmable ADC clock
– Programmable startup time
AT32UC3L016/32/64
599
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