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  • AM273x Hardware Design Guide

    • SPRAD61A March   2023  – November 2023 AM2732 , AM2732 , AM2732-Q1 , AM2732-Q1

       

  • CONTENTS
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  • AM273x Hardware Design Guide
  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Introduction
    1. 1.1 Acronyms
  5. 2 Power
    1. 2.1 Discrete DC-DC Power Solution
    2. 2.2 Integrated PMIC Power Solution
    3. 2.3 Power Decoupling and Filtering
    4. 2.4 Power Consumption
  6. 3 Clocking
    1. 3.1 Crystal and Oscillator Input Options
    2. 3.2 Output Clock Generation
    3. 3.3 Crystal Selection and Shunt Capacitance
    4. 3.4 Crystal Placement and Routing
  7. 4 Resets
  8. 5 Bootstrapping
    1. 5.1 SOP Signal Implementation
    2. 5.2 QSPI Memory Controller Implementation
    3. 5.3 ROM QSPI Boot Requirements
  9. 6 JTAG Emulators and Trace
  10. 7 Multiplexed Peripherals
  11. 8 Digital Peripherals
    1. 8.1 General Digital Peripheral Routing Guidelines
  12. 9 Layer Stackup
    1. 9.1 TMDS273GPEVM Layer Stackup
      1. 9.1.1 TMDS273GPEVM Key Stackup Features
    2. 9.2 Four Layer ZCE Example Layer Stackup
      1. 9.2.1 ZCE Four Layer Example Key Stackup Features
    3. 9.3 Four Layer NZN Example Layer Stackup
      1. 9.3.1 NZN Four Layer Example Key Stackup Features
  13. 10Vias
  14. 11BGA Power Fan-Out and Decoupling Placement
    1. 11.1 Ground Return
      1. 11.1.1 Ground Return - TMDS273GPEVM
      2. 11.1.2 Ground Return - ZCE Four Layer Example
      3. 11.1.3 Ground Return - NZN Four Layer Example
    2. 11.2 1.2 V Core Digital Power
      1. 11.2.1 1.2 V Core Digital Power Key Layout Considerations
        1. 11.2.1.1 1.2V Core Layout - TMDS273GPEVM
        2. 11.2.1.2 1.2V Core Layout - ZCE Four Layer Example
        3. 11.2.1.3 1.2V Core Layout - NZN Four Layer Example
    3. 11.3 3.3 V Digital and Analog Power
      1. 11.3.1 3.3 V Digital and Analog Power Key Layout Considerations
        1. 11.3.1.1 3.3V Digital and Analog Layout - TMDS273GPEVM
        2. 11.3.1.2 3.3V Digital and Analog Layout - ZCE Four Layer Example
        3. 11.3.1.3 3.3V Digital and Analog Layout - NZN Four Layer Example
    4. 11.4 1.8 V Digital and Analog Power
      1. 11.4.1 1.8 V Digital and Analog Power Key Layout Considerations
        1. 11.4.1.1 1.8V Digital and Analog Layout - TMDS273GPEVM
        2. 11.4.1.2 1.8V Digital and Analog Layout - ZCE Four Layer Example
        3. 11.4.1.3 1.8V Digital and Analog Layout - NZN Four Layer Example
  15. 12References
  16. 13Revision History
  17. IMPORTANT NOTICE
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Application Note

AM273x Hardware Design Guide

Abstract

This application note intends to serve as a guide for hardware designers creating PCB systems based on the AM273x family of MCU devices. This document serves to integrate device-specific schematic and PCB layout recommendations and examples from the AM273x evaluation modules (EVM), the TMDS273GPEVM, with the AM273x Sitara™ Microcontroller Data Sheet, AM273x Sitara™ Microcontroller Technical Reference Manual and other collateral documents and tools, as shown in Section 12.

Project collateral and source code discussed in this application note can be downloaded from the following link https://www.ti.com/lit/zip/sprad61.

Trademarks

All trademarks are the property of their respective owners.

 
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