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ATUC256L3U 데이터시트 PDF




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부품번호 ATUC256L3U 기능
기능 32-bit Atmel AVR Microcontroller
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ATUC256L3U 데이터시트, 핀배열, 회로
Features
High-performance, Low-power 32-bit Atmel® AVR® Microcontroller
– Compact Single-cycle RISC Instruction Set Including DSP Instructions
– Read-modify-write Instructions and Atomic Bit Manipulation
– Performance
• Up to 64DMIPS Running at 50MHz from Flash (1 Flash Wait State)
• Up to 36DMIPS Running at 25MHz from Flash (0 Flash Wait State)
– Memory Protection Unit (MPU)
• Secure Access Unit (SAU) providing User-defined Peripheral Protection
picoPower® Technology for Ultra-low Power Consumption
Multi-hierarchy Bus System
– High-performance Data Transfers on Separate Buses for Increased Performance
– 12 Peripheral DMA Channels improve Speed for Peripheral Communication
Internal High-speed Flash
– 256Kbytes, 128Kbytes, and 64Kbytes Versions
– Single-cycle Access up to 25MHz
– FlashVault Technology Allows Pre-programmed Secure Library Support for End
User Applications
– Prefetch Buffer Optimizing Instruction Execution at Maximum Speed
– 100,000 Write Cycles, 15-year Data Retention Capability
– Flash Security Locks and User-defined Configuration Area
Internal High-speed SRAM, Single-cycle Access at Full Speed
– 32Kbytes (256Kbytes and 128Kbytes Flash) and 16Kbytes (64Kbytes Flash)
Interrupt Controller (INTC)
– Autovectored Low-latency Interrupt Service with Programmable Priority
External Interrupt Controller (EIC)
Peripheral Event System for Direct Peripheral to Peripheral Communication
System Functions
– Power and Clock Manager
– SleepWalking Power Saving Control
– Internal System RC Oscillator (RCSYS)
– 32 KHz Oscillator
– Multipurpose Oscillator, Phase Locked Loop (PLL), and Digital Frequency Locked
Loop (DFLL)
Windowed Watchdog Timer (WDT)
Asynchronous Timer (AST) with Real-time Clock Capability
– Counter or Calendar Mode Supported
Frequency Meter (FREQM) for Accurate Measuring of Clock Frequency
Universal Serial Bus (USBC)
– Full Speed and Low Speed USB Device Support
– Multi-packet Ping-pong Mode
Six 16-bit Timer/Counter (TC) Channels
– External Clock Inputs, PWM, Capture, and Various Counting Capabilities
36 PWM Channels (PWMA)
– 12-bit PWM with a Source Clock up to 150MHz
Four Universal Synchronous/Asynchronous Receiver/Transmitters (USART)
– Independent Baudrate Generator, Support for SPI
– Support for Hardware Handshaking
32-bit Atmel
AVR
Microcontroller
ATUC256L3U
ATUC128L3U
ATUC64L3U
ATUC256L4U
ATUC128L4U
ATUC64L4U
32142D–06/2013




ATUC256L3U pdf, 반도체, 판매, 대치품
32142D–06/2013
ATUC64/128/256L3/4U
The Frequency Meter (FREQM) allows accurate measuring of a clock frequency by comparing it
to a known reference clock.
The Full-speed USB 2.0 device interface (USBC) supports several USB classes at the same
time, thanks to the rich end-point configuration.
The device includes six identical 16-bit Timer/Counter (TC) channels. Each channel can be inde-
pendently programmed to perform frequency measurement, event counting, interval
measurement, pulse generation, delay timing, and pulse width modulation.
The Pulse Width Modulation controller (PWMA) provides 12-bit PWM channels which can be
synchronized and controlled from a common timer. 36 PWM channels are available, enabling
applications that require multiple PWM outputs, such as LCD backlight control. The PWM chan-
nels can operate independently, with duty cycles set individually, or in interlinked mode, with
multiple channels changed at the same time.
The ATUC64/128/256L3/4U also features many communication interfaces, like USART, SPI,
and TWI, for communication intensive applications. The USART supports different communica-
tion modes, like SPI Mode and LIN Mode.
A general purpose 8-channel ADC is provided, as well as eight analog comparators (AC). The
ADC can operate in 10-bit mode at full speed or in enhanced mode at reduced speed, offering
up to 12-bit resolution. The ADC also provides an internal temperature sensor input channel.
The analog comparators can be paired to detect when the sensing voltage is within or outside
the defined reference window.
The Capacitive Touch (CAT) module senses touch on external capacitive touch sensors, using
the QTouch technology. Capacitive touch sensors use no external mechanical components,
unlike normal push buttons, and therefore demand less maintenance in the user application.
The CAT module allows up to 17 touch sensors, or up to 16 by 8 matrix sensors to be interfaced.
All touch sensors can be configured to operate autonomously without software interaction,
allowing wakeup from sleep modes when activated.
Atmel offers the QTouch library for embedding capacitive touch buttons, sliders, and wheels
functionality into AVR microcontrollers. The patented charge-transfer signal acquisition offers
robust sensing and includes fully debounced reporting of touch keys as well as Adjacent Key
Suppression® (AKS®) technology for unambiguous detection of key events. The easy-to-use
QTouch Suite toolchain allows you to explore, develop, and debug your own touch applications.
The Audio Bitstream DAC (ABDACB) converts a 16-bit sample value to a digital bitstream with
an average value proportional to the sample value. Two channels are supported, making the
ABDAC particularly suitable for stereo audio.
The Inter-IC Sound Controller (IISC) provides a 5-bit wide, bidirectional, synchronous, digital
audio link with external audio devices. The controller is compliant with the Inter-IC Sound (I2S)
bus specification.
The ATUC64/128/256L3/4U integrates a class 2+ Nexus 2.0 On-chip Debug (OCD) System,
with non-intrusive real-time trace and full-speed read/write memory access, in addition to basic
runtime control. The NanoTrace interface enables trace feature for aWire- or JTAG-based
debuggers. The single-pin aWire interface allows all features available through the JTAG inter-
face to be accessed through the RESET pin, allowing the JTAG pins to be used for GPIO or
peripherals.
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ATUC256L3U 전자부품, 판매, 대치품
ATUC64/128/256L3/4U
3. Package and Pinout
3.1 Package
The device pins are multiplexed with peripheral functions as described in Section .
Figure 3-1. ATUC64/128/256L4U TQFP48/QFN48 Pinout
PA15
PA16
PA17
PA19
PA18
VDDIO
GND
PB11
GND
PA10
PA12
VDDIO
37
38
39
40
41
42
43
44
45
46
47
48
24 PA21
23 PB10
22 RESET_N
21 PB04
20 PB05
19 GND
18 VDDCORE
17 VDDIN
16 PB14
15 PB13
14 PA01
13 PA02
32142D–06/2013
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관련 데이터시트

부품번호상세설명 및 기능제조사
ATUC256L3U

32-bit Atmel AVR Microcontroller

ATMEL Corporation
ATMEL Corporation

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