Microchip Technology ATtiny817 Xplained Pro Manual
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Microchip Technology ATtiny817 Xplained Pro Manual

Microchip Technology ATtiny817 Xplained Pro Manual

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ATtiny817 Xplained Pro
ATtiny817 Xplained Pro

Preface

The ATtiny817 Xplained Pro evaluation kit is a hardware platform to evaluate the ATtiny817
microcontroller.
Supported by the Atmel Studio integrated development platform, the kit provides easy access to the
features of the ATtiny817 and explains how to integrate the device into a custom design.
Xplained Pro MCU series evaluation kits include on-board Embedded Debuggers. No external tools are
necessary to program or debug the ATtiny817.
Xplained Pro extension kits offers additional peripherals to extend the features of the board and ease the
development of custom designs.
User Guide
DS50002684A-page 1
©
2017 Microchip Technology Inc.

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  • Page 1: Preface

    ATtiny817 Xplained Pro ATtiny817 Xplained Pro Preface The ATtiny817 Xplained Pro evaluation kit is a hardware platform to evaluate the ATtiny817 microcontroller. Supported by the Atmel Studio integrated development platform, the kit provides easy access to the features of the ATtiny817 and explains how to integrate the device into a custom design.

  • Page 2: Table Of Contents

    ATtiny817 Xplained Pro Table of Contents Preface..........................1 1. Introduction........................4 1.1. Features............................4 1.2. Kit Overview..........................4 2. Getting Started......................6 2.1. Xplained Pro Quick Start......................6 2.2. Design Documentation and Relevant Links................. 6 3. Xplained Pro......................8 3.1. Embedded Debugger........................8 3.2.
  • Page 3 ATtiny817 Xplained Pro 6. Hardware Revision History and Known Issues............29 6.1. Identifying Product ID and Revision................... 29 6.2. Revision 6...........................29 6.3. Revision 5...........................29 6.4. Revision 4...........................29 7. Document Revision History..................30 The Microchip Web Site....................31 Customer Change Notification Service................31 Customer Support......................

  • Page 4: Introduction

    Supported with application examples in Atmel Start Kit Overview The ATtiny817 Xplained Pro evaluation kit is a hardware platform to evaluate the ATtiny817. The kit offers a set of features that enables the ATtiny817 user to get started with the ATtiny817 peripherals right away and to get an understanding of how to integrate the device into their own design.
  • Page 5 ATtiny817 Xplained Pro Figure 1-1. ATtiny817 Xplained Pro Evaluation Kit Overview CURRENT MEASUREMENT SW0 USER BUTTON HEADER SW1 USER BUTTON DEBUG USB USER LED0 POWER HEADER UPDI DEBUG FOR EXTERNAL MCU CURRENT DEBUGGER MEASUREMENT SELECT JUMPER I/O CURRENT ATTINY817 MEASUREMENT SELECT JUMPER...

  • Page 6: Getting Started

    ATtiny817 Xplained Pro Getting Started Xplained Pro Quick Start Steps to start exploring the Xplained Pro platform: Download and install Atmel Studio. Launch Atmel Studio. Connect the Debug USB port on the evaluation kit to the computer using a USB cable (Standard-A to Micro-B or Micro-AB).
  • Page 7 Interface found on Xplained Pro boards and COM Ports. • ATtiny817 Xplained Pro website - Kit information, latest user guide and design documentation. • ATtiny817 Xplained Pro on Microchip Direct - Purchase this kit on Microchip Direct. User Guide DS50002684A-page 7 ©...

  • Page 8: Xplained Pro

    DGI. The EDBG controls two LEDs on the ATtiny817 Xplained Pro, a power LED and a status LED. The following table provides details on how the LEDs are controlled in different operation modes.

  • Page 9: Xplained Pro Analog Module (Xam)

    ATtiny817 Xplained Pro For additional information on the EDBG, see the EDBG User Guide. Xplained Pro Analog Module (XAM) 3.2.1 Overview The Xplained Pro Analog Module (XAM) extends the embedded debugger with high dynamic range current measurement. This enables power profiling of the target system.

  • Page 10: Sample Rate

    ATtiny817 Xplained Pro • C: This is used to control and configure the XAM. • SPI: Current measurement data is streamed to the EDBG via this interface. This is a unidirectional channel from the XAM to the EDBG. • SWD: The MCU in the XAM is programmed via SWD from the EDBG.

  • Page 11: Power Sources

    3600 Maximum current [mA] uint16_t Power Sources The ATtiny817 Xplained Pro kit can be powered by several power sources, as listed in the table below. Table 3-4. Power Sources for ATtiny817 Xplained Pro Power Source Voltage Requirements Current Requirements Connector Marking External Power 5V ±2% (±100 mV) for...

  • Page 12: Xplained Pro Power Header

    3.5.2 Xplained Pro Power Header The power header can be used to connect external power to the ATtiny817 Xplained Pro kit. The kit automatically detects and switches to any external power if supplied. The power header can also be used...
  • Page 13 ATtiny817 Xplained Pro to supply power to external peripherals or extension boards. Ensure that the total current does not exceed the recommended current limit of the on-board regulator when using the 3.3V pin. Table 3-6. Xplained Pro Power Header Pin Number...

  • Page 14: Hardware User Guide

    Hardware User Guide Power Distribution ATtiny817 Xplained Pro has two power sources; EDBG USB and external 5.0V. The kit will automatically select the source to draw power from. The kit has two on-board 3.3V voltage regulators, one for the EDBG and XAM, and one for the ATtiny817 and other peripherals.

  • Page 15: Xplained Pro Standard Extension Headers

    Xplained Pro Standard Extension Headers The ATtiny817 Xplained Pro headers EXT1 and EXT3 offer access to the I/O of the microcontroller in order to expand the board, e.g. by connecting extensions to the board. These headers are based on the standard extension header specified in the table below.
  • Page 16 ATtiny817 Xplained Pro EXT1 Pin ATtiny817 Pin Function Shared Functionality 13 [USART_RX] UART RX EXT3, EDBG CDC, and Crystal 14 [USART_TX] UART TX EXT3, EDBG CDC, and Crystal 15 [SPI_SS_A] SPI SS 16 [SPI_MOSI] SPI MOSI EXT3 EDBG SPI 17 [SPI_MISO]...

  • Page 17: Updi Debug Connector

    Note:  Signal functions in italic use alternative pin location. These have to be configured in the PORTMUX register of the device. 4.2.2 UPDI Debug Connector ATtiny817 Xplained Pro has a 10-pin 50-mil UPDI Debug Connector that can be used to attach external debuggers to the ATtiny817. Table 4-3. UPDI Debug Connector UPDI Debug...

  • Page 18: Crystal

    4.3.2 Crystal The ATtiny817 Xplained Pro kit contains a 32.768 kHz crystal, which can be used as clock source for the ATtiny817 device. The crystal has a cut-strap next to it, which can be used to measure the oscillator safety factor. This is done by cutting the strap and adding a resistor across the strap. More information...

  • Page 19: Led

    ATtiny817 Xplained Pro 4.3.3 There is one yellow LED available on the ATtiny817 Xplained Pro board that can be turned ON and OFF. The LED can be activated by connecting the I/O line to GND. Table 4-6. LED Connection ATtiny817 Pin...

  • Page 20: Data Gateway Interface

    4.4.4 XAM Configuration On the ATtiny817 Xplained Pro, the MCU and the MCU peripherals (e.g. extensions) are powered by their own regulator, as shown in the figure below. All the other parts of the board, mainly the embedded debugger and the accompanying Xplained Pro Analog Module (XAM), are powered from a separate regulator.

  • Page 21: Kit Modifications

    XAM. Place both jumpers on the "I/O" and "MCU" headers in the "MEASURE" position. Kit Modifications ATtiny817 Xplained Pro has several resistors that can be used to disconnect I/O pins of the ATtiny817 from connectors and on-board ICs and to disconnect power signals. User Guide DS50002684A-page 21 ©...
  • Page 22 ATtiny817 Xplained Pro Info:  Note that there are some resistors that aren't mounted by default on the kit listed in the table below. Table 4-13. Kit Modifications Designa Value Mounte From Comment J100 cut-strap N/A VCC_P3V3 VCC_P3V3_CM_I ATtiny817, peripherals, and connectors power supply...
  • Page 23 ATtiny817 Xplained Pro Figure 4-4. Assembly Drawing, Top User Guide DS50002684A-page 23 © 2017 Microchip Technology Inc.

  • Page 24: Connecting The 32 Khz Crystal

    Connecting the 32 kHz Crystal The ATtiny817 Xplained Pro board has a 32.768 Hz crystal mounted on the kit. By default, the crystal is not connected as the TOSC pins on the device are used for UART communication to the extension headers and the EDBG CDC.
  • Page 25 Applying a voltage higher than 5.5V may damage the board permanently. Figure 4-6. ATtiny817 Xplained Pro EDBG Disconnect EDBG UPDI , I2C, GPIO, CDC, and SPI disconnect Figure 4-7. ATtiny817 Xplained Pro Current Measurement Headers Related Links User Guide DS50002684A-page 25 © 2017 Microchip Technology Inc.
  • Page 26 ATtiny817 Xplained Pro Xplained Pro Power Header UPDI Debug Connector Connectors User Guide DS50002684A-page 26 © 2017 Microchip Technology Inc.

  • Page 27: Appendix

    ATtiny817 Xplained Pro Appendix Getting Started with IAR ® ® IAR Embedded Workbench for AVR is a proprietary high-efficiency compiler which is not based on ™ GCC. Programming and debugging of Xplained Pro kits are supported in IAR Embedded Workbench for AVR using the Atmel-ICE interface.
  • Page 28 ATtiny817 Xplained Pro Figure 5-2. Select Debugger Figure 5-3. Configure Interface User Guide DS50002684A-page 28 © 2017 Microchip Technology Inc.

  • Page 29: Hardware Revision History And Known Issues

    "nnnnrrssssssssss" n = product identifier r = revision s = serial number The product identifier for the ATtiny817 Xplained Pro is A09-2654. Revision 6 Revision 6 is identical to revision 4 and revision 5 with improved test coverage. Revision 5 Revision 5 is identical to revision 4 with improved test coverage.

  • Page 30: Document Revision History

    ATtiny817 Xplained Pro Document Revision History Doc. rev. Date Comment 10/2017 Converted to Microchip format and replaced the Atmel document number 42745A. Added links to QTouch example application in QTouch Button. 42745A 11/2016 Initial document release. User Guide DS50002684A-page 30 ©...

  • Page 31: The Microchip Web Site

    ATtiny817 Xplained Pro The Microchip Web Site Microchip provides online support via our web site at http://www.microchip.com/. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information: •...

  • Page 32: Legal Notice

    SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.

  • Page 33: Quality Management System Certified By Dnv

    ATtiny817 Xplained Pro ISBN: 978-1-5224-2199-3 Quality Management System Certified by DNV ISO/TS 16949 Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California ® ®...

  • Page 34: Worldwide Sales And Service

    Sweden - Stockholm Tel: 408-735-9110 Tel: 86-29-8833-7252 Tel: 66-2-694-1351 Tel: 46-8-5090-4654 Tel: 408-436-4270 Fax: 86-29-8833-7256 Fax: 66-2-694-1350 UK - Wokingham Canada - Toronto Tel: 44-118-921-5800 Tel: 905-695-1980 Fax: 44-118-921-5820 Fax: 905-695-2078 User Guide DS50002684A-page 34 © 2017 Microchip Technology Inc.
  • Page 35 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip ATTINY817-XPRO...

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