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Multi-Protocol Synchronous Serial Engine IP

The developed IP integrates basic serial interface protocols like UART, SPI and I2C into a single AXI interface port. The individual modules for these protocols have been implemented in a ruggedized form to avoid bus errors due to interfering noise from various sources thus making it suitable for application in automobile electronics.

 

Salient features:

 

  • AXI4-Lite standard user interface. Connects as a 32-bit slave on AXI interface
  • Ruggedized SPI, I2C and UART interface
  • User configurable number and type of interfaces through a configuration tool
  • User configurable parameters of each interface like baudrate/ datarate, modes, length of transmission etc.
  • Supports master and slave modes for SPI and I2C interfaces
  • Configurable number of slaves on SPI interface
  • Contains hardware FIFO for UART, SPI and I2C interfaces with configurable depth upto 1024 words

Block diagram:

multi-protocol

 

Applications:

 

  • Sensor interfaces with SPI and I2C protocol.
  • UART interfaces for data transmission between nodes.