Freescale Semiconductor Small Engine Reference Design Kit KIT33812ECUEVME User Manuals

Table of Contents

• 1 Introduction

  2
• 2 Getting Started

  3
  • 2.1 Exploring the Contents of KIT33812ECUEVME

    3
  • 2.2 Electronic Control Unit (ECU)

    4
  • 2.3 ECU Wire Harness

    5
  • 2.4 Documentation DVD/CD

    5
  • 2.5 Freescale CodeWarrior for the S12(X)

    6
  • 2.6 USB BDM Tool

    7
  • 2.7 Additional Recommended Hardware

    7
• 3 System Setup

  8
  • 3.1 Definition of interface between ECU and Engine

    8
• 4 Application Development

  15
  • 4.1 Example Application Architecture Overview

    15
  • 4.2 Configuring the Application

    15
    • 4.2.1 Fuel and Spark Data Tables

      19
    • 4.2.2 Modifying Table Sizes

      19
    • 4.2.3 Configuring Data Translation

      19
    • 4.2.4 Entering Map Data

      22
    • 4.2.5 Exporting Map Data

      23
    • 4.2.6 Map Data Export Process

      23
    • 4.2.7 Working with the Example Application

      24
• 5 System Overview

  26
• 6 Application Overview

  27
  • 6.1 Application Testing

    28
• 7 Schematic

  30
• 8 System Block Diagram

  36
• 9 Bill of Materials

  37
• 10 Appendix A: Hardware Reference Manual

  40
  • 10.1 Background

    40
  • 10.2 System Design

    40
  • 10.3 Key Circuit Identification

    43
  • 10.4 KIT33812ECUEVME System Block Diagram

    44
    • 10.4.1 MCU

      44
      • 10.4.1.1 Functional Description

        44
      • 10.4.1.2 Design Criteria

        44
      • 10.4.1.3 Implementation Recommendations

        45
    • 10.4.2 Small Engine Control IC

      46
      • 10.4.2.1 Functional Description

        46
      • 10.4.2.2 5 Volt Regulator Pre-driver

        46
      • 10.4.2.3 Injector Driver

        47
      • 10.4.2.4 Relay Driver

        48
      • 10.4.2.5 Lamp Driver

        48
      • 10.4.2.6 Ignition Pre-Driver

        48
      • 10.4.2.7 ISO-9141 Transceiver

        49
      • 10.4.2.8 Power On Reset Generator and Watchdog

        50
    • 10.4.3 Power Supply

      51
      • 10.4.3.1 Design Criteria

        51
      • 10.4.3.2 Implementation Recommendations

        51
    • 10.4.4 VRS Conditioning

      52
      • 10.4.4.1 Design Criteria

        52
      • 10.4.4.2 Implementation Recommendations

        52
    • 10.4.5 Dual H-Bridge

      52
      • 10.4.5.1 Design Criteria

        52
      • 10.4.5.2 Implementation Recommendations

        52
    • 10.4.6 Discrete Low-side Driver

      53
      • 10.4.6.1 Design Criteria

        53
    • 10.4.7 Discrete IGBT Driver

      53
      • 10.4.7.1 Design Criteria

        53
    • 10.4.8 Input Signal Conditioning

      54
      • 10.4.8.1 Design Criteria

        54
      • 10.4.8.2 Implementation Recommendations

        54
• 11 Appendix B: Software Reference Manual

  55
  • 11.1 Software Architecture

    55
  • 11.2 Building Application

    59
    • 11.2.1 User Files

      59
    • 11.2.2 User_Management()

      59
    • 11.2.3 Data_Management()

      59
    • 11.2.4 Engine_Management()

      60
    • 11.2.5 Application Maps

      60
    • 11.2.6 Low Level Driver Files

      60
• 12 Appendix C: Calibration

  61
• 13 Appendix D: References

  62