X-CUBE-SMBUS

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STM32Cube SMBus/PMBus embedded software (AN4502)

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Product overview

Description

The X-CUBE-SMBUS Expansion Package contains the SMBus/PMBus® stack implementation for STM32Cube.

The SMBus stack is built on STM32Cube HAL drivers to implement the transport layer. The middleware also includes the template for further expansion and personalization of PMBus® support.

The strict usage of STM32Cube ensures high portability across STM32 microcontrollers.

X-CUBE-SMBUS is provided with example and basic functionality tests for the following boards: NUCLEO-G431RB, NUCLEO-H743ZI, NUCLEO-L4R5ZI, NUCLEO-WB55RG, 32F072BDISCOVERY, STM32F3DISCOVERY, 32L0538DISCOVERY, and 32L476GDISCOVERY.

  • All features

    • SMBus 3.1 transfers:
      • Quick command
      • Read/write byte/word
      • Block transfers
      • Process call
      • Zone commands
    • PMBus® 1.3.1 support:
      • Group command
      • Extended command
    • Notable features:
      • Alert signal and response
      • Address resolution protocol
      • Packet error checking
      • Host notification protocol
      • Speed tested up to 1 MHz
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