SLAU647O July   2015  – April 2020

 

  1.   MSP Debuggers
    1.     Trademarks
    2. 1 Introduction
      1. 1.1 Related Documentation From Texas Instruments
      2. 1.2 Terms and Abbreviations
      3. 1.3 If You Need Assistance
    3. 2 MSP Debug Probe Overview
      1. 2.1 Known Limitations
    4. 3 Hardware Identification
      1. 3.1 How to Determine If Your Hardware is Based on eZ-FET or eZ-FET Lite
      2. 3.2 How to Determine If Your Hardware is Based on eZ430
      3. 3.3 Signal Connections for In-System Programming and Debugging
      4. 3.4 Using the Power Supply Feature of the eZ-FET and eZ-FET Lite
      5. 3.5 Using the Power Supply Feature of the MSP-FET430UIF and MSP-FET
    5. 4 Hardware Installation
      1. 4.1 MSP-FET430PIF
      2. 4.2 MSP-FET430UIF, MSP-FET, eZ-FET, and eZ-FET Lite
      3. 4.3 eZ430-Based Experimenter Boards and LaunchPad Kits
      4. 4.4 Hardware Installation Using the MSP Flasher
      5. 4.5 Hardware Installation Using CCS Cloud
    6. 5 Debug Probes Hardware and Software
      1. 5.1  MSPDebugStack
      2. 5.2  Ultra-Low-Power (ULP) Debug Support
      3. 5.3  EnergyTrace™ Technology
      4. 5.4  Unlimited Software Breakpoints in Flash, FRAM, and RAM
      5. 5.5  JTAG Access Protection (Fuse Blow)
      6. 5.6  MSP-FET Stand-Alone Debug Probe
        1. 5.6.1 General Features
        2. 5.6.2 Backchannel UART
          1. 5.6.2.1 UART Backchannel Activation Commands
        3. 5.6.3 Target BSL Connection and BSL-Scripter Support
        4. 5.6.4 LED Signals
        5. 5.6.5 Hardware
          1. 5.6.5.1 JTAG Target Connector
          2. 5.6.5.2 MSP-FET Pin States After Power Up
          3. 5.6.5.3 MSP-FET HID Cold Boot
          4. 5.6.5.4 Schematics
            1. 5.6.5.4.1 MSP-FET Rev 2.5 Schematics
            2. 5.6.5.4.2 MSP-FET Rev 1.2 Schematics
        6. 5.6.6 Specifications
          1. 5.6.6.1 Hardware
          2. 5.6.6.2 MSP430 MCUs
          3. 5.6.6.3 SimpleLink MSP432 MCUs
      7. 5.7  MSP-FET430UIF Stand-Alone Debugger
        1. 5.7.1 General Features
        2. 5.7.2 LED Signals
        3. 5.7.3 Hardware
          1. 5.7.3.1 JTAG Target Connector
          2. 5.7.3.2 Pin States After Power Up
          3. 5.7.3.3 Schematics
      8. 5.8  eZ-FET and eZ-FET Lite Onboard Emulation
        1. 5.8.1 General Features
        2. 5.8.2 Backchannel UART
          1. 5.8.2.1 eZ-FET and eZ-FET Lite UART Backchannel Activation Commands
        3. 5.8.3 LED Signals
        4. 5.8.4 Hardware
          1. 5.8.4.1 JTAG Target Connector
          2. 5.8.4.2 Connecting MSP-FET to LaunchPad Development Kit
          3. 5.8.4.3 Pin States After Power Up
          4. 5.8.4.4 Schematics
            1. 5.8.4.4.1 eZ-FET Rev 1.2 Schematics
            2. 5.8.4.4.2 eZ-FET Lite Schematics
            3. 5.8.4.4.3 eZ-FET Rev 1.4 Schematic
            4. 5.8.4.4.4 eZ-FET Rev 2.0 ET Schematics
      9. 5.9  eZ430 Onboard Emulation
        1. 5.9.1 General Features
        2. 5.9.2 Backchannel UART
        3. 5.9.3 Hardware
          1. 5.9.3.1 JTAG Target Connector
          2. 5.9.3.2 Pin States After Power Up
          3. 5.9.3.3 Schematics
      10. 5.10 MSP-FET430PIF
        1. 5.10.1 General Features
        2. 5.10.2 Schematics
  2.   Revision History

5.6.2.1 UART Backchannel Activation Commands

The MSP-FET supports two different Backchannel UART modes, one with flow control and one without. The different modes can be selected by opening the corresponding COM port with a dedicated baud rate. See Table 5 for the specific baud rates for each command.

NOTE

The baud rates used by these activation commands cannot be used for communication.

NOTE

TheBackchannel UART is disabled until the COM port is opened with a valid baud rate.

If none of the specified commands are transferred before setting the communication baud rate, communication starts with the default settings: 3.3-V target VCC, no flow control mechanism, no parity.

Table 5. MSP-FET Backchannel UART Activation Commands

Baud Rate Command
9620 Set all backchannel UART pins to high impedance – no current flow into target device
9621 Configure backchannel UART communication without handshake (default start behavior)
9622 Configure backchannel UART communication with handshake
9623 Voltage configuration command. When this command is received, target VCC is set to 3.3 V. After target VCC is configured, it is switched through to the target device.
9625 Configure backchannel UART communication without handshake and even parity (available starting with MSPDebugStack version 3.8.0.2)