SLAU573C November   2015  – October 2019

 

  1.   MSP-BSL Bootloader (BSL) Programmer for MSP430™ and SimpleLink™ MSP432™ Microcontrollers
    1.     Trademarks
    2. 1 Introduction
      1. 1.1 Additional Online Information
    3. 2 Functionality and Supported Protocols
      1. 2.1 BSL Entry Sequence
      2. 2.2 UART Communication
      3. 2.3 I2C Communication
      4. 2.4 SPI Communication
    4. 3 Firmware Update
    5. 4 Hardware
      1. 4.1 Schematic
      2. 4.2 BSL Connector and Available Pins
      3. 4.3 Target Power Supply
      4. 4.4 Pullups for I2C Operation
    6. 5 Firmware Revision History
  2.   Revision History

4.4 Pullups for I2C Operation

I2C communication requires pullups on the SDA and SCL lines. These pullup resistors can be included in the target application design or onboard the MSP-BSL. Newer MSP430 and MSP432 target socket boards have I2C pullup resistors already included.