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  • The X-CUBE-SPI-EMUL embedded software provides an emulated simplex or full-duplex SPI in the master and slave modes.

    The SPI emulator is needed in applications that require more SPIs.
    The X-CUBE-SPI-EMUL embedded software also offers two examples of communication between a hardware and a software SPI.
    For more details refer to the application note AN4678.

    Key Features

    • Simplex/full-duplex, synchronous, serial communication
    • Master and slave operations
    • SPI clock up to 6 MHz in full-duplex mode with CPU operating at 168 MHz
    • Programmable data word length: 8 and 16 bits
    • Programmable clock polarity and phase
    • Programmable data order with MSB-first or LSB-first shifting
    • Flexible GPIO usage: all GPIOs can be configured as SPI MOSI/MISO
    • Status flags/interrupt

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Technical Documentation

    • Description Version Size Action
      DB2659
      Full-duplex SPI emulation software expansion for STM32Cube
      1.0
      119.68 KB
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      DB2659

      Full-duplex SPI emulation software expansion for STM32Cube

    • Description Version Size Action
      AN4678
      Full duplex SPI emulation for STM32F4 microcontrollers
      1.0
      1.63 MB
      PDF
      AN4678

      Full duplex SPI emulation for STM32F4 microcontrollers

    • Description Version Size Action
      UM2312
      Development checklist for STM32Cube Expansion Packages
      1.0
      283.23 KB
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      UM2285
      Development guidelines for STM32Cube Expansion Packages
      1.0
      485.46 KB
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      UM2312

      Development checklist for STM32Cube Expansion Packages

      UM2285

      Development guidelines for STM32Cube Expansion Packages

Presentations & Training Material

    • Description Version Size Action
      STM32 and STM8 embedded software solutions 7.0
      3.12 MB
      PDF

      STM32 and STM8 embedded software solutions

Publications and Collaterals

    • Description Version Size Action
      STM32 Open Development Environment Brochure 17.09
      1.21 MB
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      Sensor & motion algorithm software pack for STM32Cube 1.0
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      Sensor & motion algorithm software pack for STM32Cube

Legal

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      SLA0048
      Mix Ultimate Liberty+OSS+3rd-party V1 - SOFTWARE LICENSE AGREEMENT
      5.4
      87.58 KB
      PDF
      SLA0048

      Mix Ultimate Liberty+OSS+3rd-party V1 - SOFTWARE LICENSE AGREEMENT