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部品番号 ATUC128D3
部品説明 32-bit AVR Microcontroller
ロゴ ATMEL ロゴ 
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ATUC128D3 Datasheet, ATUC128D3 PDF,ピン配置, 機能
High Performance, Low Power 32-bit AVR® Microcontroller
– Compact Single-Cycle RISC Instruction Set Including DSP Instructions
– Read-Modify-Write Instructions and Atomic Bit Manipulation
– Performance
• Up to 61 DMIPS Running at 48MHz from Flash (1 Flash Wait State)
• Up to 34 DMIPS Running at 24MHz from Flash (0 Flash Wait State)
Multi-Hierarchy Bus System
– High-Performance Data Transfers on Separate Buses for Increased Performance
– 7 Peripheral DMA Channels Improve Speed for Peripheral Communication
Internal High-Speed Flash
– 128Kbytes, and 64Kbytes Versions
– Single-Cycle Access up to 24MHz
– Prefetch Buffer Optimizing Instruction Execution at Maximum Speed
– 4ms Page Programming Time and 8ms Full-Chip Erase Time
– 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
– 16Kbytes
Interrupt Controller (INTC)
– Autovectored Low Latency Interrupt Service with Programmable Priority
External Interrupt Controller (EIC)
System Functions
– Power and Clock Manager
– SleepWalkingPower Saving Control
– Internal System RC Oscillator (RCSYS)
– 32 KHz Oscillator
– Clock Failure Detection
– One Multipurpose Oscillator and two Phase Locked Loop (PLL)
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 (USB)
– Device 2.0 full speed and low speed
– Flexible End-Point Configuration and Management
– On-chip Transceivers Including Pull-Ups
Three 16-bit Timer/Counter (TC) Channels
– External Clock Inputs, PWM, Capture and Various Counting Capabilities
7 PWM Channels (PWMA)
– 12-bit PWM up to 150MHz Source Clock
Three Universal Synchronous/Asynchronous Receiver/Transmitters (USART)
– Independent Baudrate Generator, Support for SPI
– Support for Hardware Handshaking
One Master/Slave Serial Peripheral Interfaces (SPI) with Chip Select Signals
– Up to 15 SPI Slaves can be Addressed
32-bit AVR®

ATUC128D3 pdf, 電子部品, 半導体, ピン配列
1. Description
The UC3D is a complete System-On-Chip microcontroller based on the AVR32UC RISC proces-
sor running at frequencies up to 48MHz. AVR32UC is a high-performance 32-bit RISC
microprocessor core, designed for cost-sensitive embedded applications, with particular empha-
sis on low power consumption, high code density, and high performance.
The processor implements a fast and flexible interrupt controller for supporting modern operat-
ing systems and real-time operating systems.
Higher computation capability is achieved using a rich set of DSP instructions.
The Peripheral Direct Memory Access (DMA) controller enables data transfers between periph-
erals and memories without processor involvement. The Peripheral DMA controller drastically
reduces processing overhead when transferring continuous and large data streams.
The Power Manager improves design flexibility and security. Power monitoring is supported by
on-chip Power-On Reset (POR), and Brown-Out Detector (BOD). The device features several
oscillators, such as Oscillator 0 (OSC0), 32 KHz Oscillator and system RC oscillator (RCSYS),
and two Phase Lock Loop (PLL). Either of these oscillators/PLLs can be used as source for the
system clock.
The Watchdog Timer (WDT) will reset the device unless it is periodically serviced by the soft-
ware. This allows the device to recover from a condition that has caused the system to be
The Asynchronous Timer (AST) combined with the 32KHz crystal oscillator supports powerful
real-time clock capabilities, with a maximum timeout of up to 136 years. The AST can operate in
counter mode or calendar mode. The 32KHz crystal oscillator can operate in a 1- or 2-pin mode,
trading pin usage and accuracy.
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 supports several USB Classes at the same time
thanks to the rich End-Point configuration.
The device includes three identical 16-bit Timer/Counter (TC) channels. Each channel can be
independently programmed to perform frequency measurement, event counting, interval mea-
surement, 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. Seven PWM channels are available,
enabling applications that require multiple PWM outputs, such as LCD backlight control. The
PWM channels can operate independently, with duty cycles set independently from each other,
or in interlinked mode, with multiple channels changed at the same time.
The UC3D also features many communication interfaces for communication intensive applica-
tions. In addition to standard serial interfaces like USART, SPI or TWI, USB is available. The
USART supports different communication modes, like SPI mode.
A general purpose 8-channel ADC is provided; It features a fully configurable sequencer that
handles many conversions. Window Mode allows each ADC channel to be used like a simple
Analog Comparator.
The Inter-IC Sound controller (IISC) provides easy access to digital audio interfaces following
I2S stereo standard.

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