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ADUC7027:  Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI® MCU

Информация о продукте

Статус продукта:Производство

The ADuC7019/20/21/22/24/25/26/27/28 are fully integrated, 1 MSPS, 12-bit data acquisition systems incorporating high performance multichannel ADCs, 16-bit/32-bit MCUs, and Flash/EE memory on a single chip.

The ADC consists of up to 12 single-ended inputs. An additional four inputs are available but are multiplexed with the four DAC output pins. The four DAC outputs are only available on certain models (ADuC7020 and ADuC7026). However, in many cases where the DAC outputs are not present, these pins can still be used as additional ADC inputs, giving a maximum of 16 ADC input channels. The ADC can operate in single-ended or differential input modes. The ADC input voltage is 0 V to VREF. A low drift band gap reference, temperature sensor, and voltage comparator complete the ADC peripheral set.

Depending on the part model, up to four buffered voltage output DACs are available on-chip. The DAC output range is programmable to one of three voltage ranges.

The devices operate from an on-chip oscillator and a PLL generating an internal high frequency clock of 41.78 MHz. This clock is routed through a programmable clock divider from which the MCU core clock operating frequency is generated. The microcontroller core is an ARM7TDMI, 16-bit/32-bit RISC machine, which offers up to 41 MIPS peak performance. Eight kilobytes of SRAM and 62 kilobytes of nonvolatile Flash/EE memory are provided on-chip. The ARM7TDMI core views all memory and registers as a single linear array.

Applications

  • Industrial control and automation systems
  • Smart sensors, precision instrumentation
  • Base station systems, optical networking

ОСОБЕННОСТИ И ПРЕИМУЩЕСТВА

  • Chinese data sheet available
  • Microcontroller
    ARM7TDMI core, 16-bit/32-bit RISC architecture
    JTAG port supports code download and debug
  • Clocking options
    Trimmed on-chip oscillator (±3%)
    External watch crystal
    External clock source up to 44 MHz
    41.78 MHz PLL with programmable divider
  • Memory
    62 kB flash/EE memory, 8 kB SRAM
    In-circuit download, JTAG-based debug
    Software-triggered in-circuit reprogrammability

Analog I/O

  • Multichannel, 12-bit, 1 MSPS ADC
    Up to 16 ADC channels1
  • Fully differential and single-ended modes
  • 0 V to VREF analog input range
  • 12-bit voltage output DACs
    Up to 4 DAC outputs available1
  • On-chip voltage reference
  • On-chip temperature sensor (±3°C)
  • Voltage comparator
  • Power
    Specified for 3 V operation
    Active mode: 11 mA @ 5 MHz, 40 mA @ 41.78 MHz
  • Packages and temperature range
    From 40-lead 6 mm x 6 mm LFCSP to 80-lead LQFP1
    Fully specified for –40°C to +125°C operation
  • Tools
    Low cost QuickStart™ development system
    Full third-party support

On-chip peripherals

  • UART, 2 x I2C® and SPI® serial I/O
  • Up to 40-pin GPIO port1
  • 4x general-purpose timers
  • Wake-up and watchdog timers (WDT)
  • Power supply monitor
  • 3-phase, 16-bit PWM generator1
  • Programmable logic array (PLA)
  • External memory interface, up to 512 kB1

1 Depending on part model. See Ordering Guide for more information.

Functional Block Diagram for ADuC7027

Документация

Наименование Тип контента Тип файлов
ADuC70xx Series: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU Data Sheet (Rev F, 05/2013) (pdf, 1296 kB) Технические описания PDF
AN-908: Interfacing the HD44780-Based Character LCD to an ADuC702x  (pdf, 111 kB) Статьи по применению PDF
AN-895: ADuC702x MicroConverter I2C-Compatible Interface  (pdf, 237 kB) Статьи по применению PDF
AN-831: Implementing a Counter with the ADuC702x Family  (pdf, 83 kB) Статьи по применению PDF
AN-806: I2C Download Protocol for ADuC70xxBCPZxxl Models  (pdf, 116 kB) Статьи по применению PDF
AN-798: Using the PWM to Generate Analog Output on the ADuC702x Family  (pdf, 137 kB)
The ADuC702x family integrates a 32-bit ARM7TDMI microcontroller and high precision analog blocks. Depending on the model, up to four 12-bit DACs are available. In some applications where more analog output is required, the PWM can also be used as a low resolution DAC. This application note describes how to generate an extra analog output from a PWM.
Статьи по применению PDF
AN-765: Measuring Duration of a Short Pulse on the ADuC702x Family  (pdf, 108 kB) Статьи по применению PDF
AN-759: Расширение количества выходов ЦАП в компонентах семейств ADUC80xx и ADUC702x  (pdf, 112 kB) Статьи по применению PDF
AN-759: Expanding the Number of DAC Outputs on the ADuC8xx and ADuC702x Families (uC012)  (pdf, 112 kB) Статьи по применению PDF
AN-724: ADuC702x Serial Download Protocol  (pdf, 141 kB) Статьи по применению PDF
Using Integrated Precision Analog Microcontrollers to Simplify Data Acquisition System Design
The ins and outs (the I/O) of using Analog Microcontrollers to manage data acquisition applications
Webcasts WEBCAST
UG-181: PLC Demo System User Guide  (pdf, 541 kB) Руководства пользователей PDF
Full-Featured Pedometer Design Realized with 3-Axis Digital Accelerometer  (pdf, 598 kB)
Analog Dialogue, June 2010
Журнал Analog Dialogue PDF
PLC Evaluation Board Simplifies Design of Industrial Process Control Systems
(Analog Dialogue, Vol. 43, April 2009)
Журнал Analog Dialogue HTML
ADuC702x Analog Microcontroller Generates Programmable Digital Waveforms
(Analog Dialogue, Volume 41 February 2007)
Журнал Analog Dialogue HTML
Full-Featured Pedometer Design Realized with 3-Axis Digital Accelerometer  (pdf, 598 kB)
Analog Dialogue, June 2010
Технические статьи PDF
Human Fall Detection Using New MEMS Accelerometer Technology
For humans, an unobserved fall can have very serious consequences. Statistics show that the majority of serious consequences are not the direct result of falling, but rather are due to a delay in assistance and treatment. Post-fall consequences can be greatly reduced if relief personnel can be alerted in time.
(ECN, December 9, 2009)
Технические статьи HTML
Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards
PLC evaluation board applications for industrial process-control systems are diverse, ranging from simple traffic control to complex electrical power grids, from environmental control systems to oil-refinery process control.
(Industrial Control DesignLine, 8/24/09 - Part 1 and 9/3/09 - Part 1)
Технические статьи HTML
Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards (Part 1 of 2)
PLC evaluation board applications for industrial process-control systems are diverse, ranging from simple traffic control to complex electrical power grids, from environmental control systems to oil-refinery process control.
(Industrial Control DesignLine, 8/24/09)
Технические статьи HTML
Simplifying Design of Industrial Process-Control Systems with PLC Evaluation Boards (Part 1 of 2)
PLC evaluation board applications for industrial process-control systems are diverse, ranging from simple traffic control to complex electrical power grids, from environmental control systems to oil-refinery process control.
(Industrial Control DesignLine, 8/24/09)
Технические статьи HTML
PLC Evaluation Board Simplifies Design of Industrial Process Control Systems
(Analog Dialogue, Vol. 43, April 2009)
Технические статьи HTML
Low Power, Low Cost, Wireless ECG Holter Monitor Технические статьи HTML
Impedance Measurement Blood Analysis Systems Технические статьи HTML
Integrated Route Taken to Pulse Oximetry
by Aude Richard and Brian Moss, Analog Devices, Inc. (EE Times, 12/6/2004)
Технические статьи HTML
Precision Analog Microcontroller Simplifies Optical Transceiver Design  (pdf)
by Eamon Neary and Nobuhiro Matsuzoe, Analog Devices, Inc. (Information Quarterly, Volume 3, Number 2, 2004)
Технические статьи PDF
2006 Microprocessor Directory
(EDN, August 2006)
Обзоры продукции HTML
Microcontroller Adds Precision Analog
(EDN, 3/29/2004)
Обзоры продукции HTML
"Arm"-ing Analog Microcontrollers
Analog Devices moves the 32-bit ARM7 core where 8-bit analog-enabled MCUs once tread. (ED Online, 3/29/2004)
Обзоры продукции HTML
Precision Analog Microcontrollers—ARM7® and 8051 Series  (pdf, 5834 kB) Обзор PDF
Precision Analog Microcontrollers ARM7® and 8051 Series  (pdf)
ADI's two families of precision analog Flash microcontrollers address the growing need for integration, design ease, programmability, and precision analog performance demanded by industrial, instrumentation, communications, and automotive applications.
Обзор PDF
ICs for Programmable Logic Control and Distributed Control Systems  (pdf, 976 kB)
Analog Devices leadership in industrial IC technology, with the development of the iCMOS™ and iPolar™ processes, has uniquely defined high voltage and low voltage integration to deliver smaller, higher performance, and more cost effective ICs for industrial systems.
Обзор PDF
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Словарь терминов Глоссарий HTML

Средства разработки, программные модели, драйверы и ПО

Наименование Тип контента Тип файлов
Development Tools Микросхемы, конфигурируемые программно HTML
ADuC7019/ADuC702x Code Examples Примеры кода HTML

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Приведенные цены действительны в США и указаны только для примерного бюджетного рассчета. Цены указаны в долларах США (за штуку в указанном размере партии) и могут быть изменены. Цены в других регионах могут отличаться в зависимости от местных пошлин, налогов, сборов и курсов валют. Для уточнения стоимости обращайтесь в местные офисы продаж Analog Devices, или к официальным дистрибьюторам. Цены на оценочные платы и наборы указаны за штуку независимо от количества.

ADUC7026/27 QuickStart and QuickStart Plus Development
Модели Описание Цена Без использования свинца PCN/PDN Проверка наличия/
Покупка/Запрос образца
EVAL-ADUC7026QSPZ Статус: Prodn ADuC7026 Quickstart plus development system $ 159,00 Да -
EVAL-ADUC7026QSZ Статус: Prodn ADuC7026 Quickstart development system $ 59,00 Да -
EVAL-ADUC-CABLE1Z Статус: Prodn UART Serial downloader cable $ 15,18 Да -

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