ZERO SOM/ZERO Hardware/Peripherals/Serial

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History
Issue Date Notes
2025/06/16 First release


Peripheral Serial[edit | edit source]

The RZ/T2H SoC provides a Serial Communication Interface (SCI) module in the ZERO SOM as asynchronous or synchronous serial interfaces.

Description[edit | edit source]

The SCI module has the following features:

  • 6 channels: 5in NONSAFETY and one in SAFETY
  • Asynchronous or 8-bit Clock synchronous
  • Simple I2C (master-only)
  • Simple SPI
  • Smart card interface
  • Manchester mode for encoder
  • Bit rate specifiable with the on-chip baud rate generator
  • Full-duplex and half-duplex communication
  • Data length: 7 to 9 bits (Asynchronous mode)
  • Bit rate modulation
  • Double speed mode (Asynchronous, Clock Synchronous, Simple SPI mode, Manchester mode)
  • RS-485 driver control function (Asynchronous mode)
  • Loopback function to enable self-diagnosis (Asynchronous, Clock synchronous mode)