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HomeSerial Bus ControllerSC4415 (EOL) – MIPI-I3C and MIPI-RFFE Controller

SC4415 (EOL) – MIPI-I3C and MIPI-RFFE Controller

Key Features

  • USB-to-Serial Bus Controller Provides Deterministic Serial Communications
  • Supports MIPI-I3C (w/ Legary I2C), MIPI-RFFE(v2.1), and SPI
  • Software-Selectable Clock Rates (mode dependent), Supporting 50 kHz to 52 MHz in 1 kHz Steps
  • Several Triggering Modes
  • 8 General Purpose I/O (GPIO)
  • Designed for Manufacturing Environments
  • Field Upgradeable
  • Wide Operating Temperature Range (0 °C to 70 °C)

Typical Applications

  • Design Verification Testing (DVT)
  • High Volume Production Test
  • RF Design and Characterization
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Serial Protocols Supported

  • MIPI-I3C (with Legacy I2C)
  • MIPI-RFFE (version 2.1)
  • SPI Modes 1 to 4

Sequencing and Timing

Scout was designed with determinism, low latency, and fast execution in mind. Timing-critical performance is achieved by using FPGA hardware and user-configurable command cues. Users can define a command sequence and trigger multiple executions of the sequence using either software or hardware triggers.


Eight GPIO are available in all operating modes, and each one can be configured as either an input or an output. The GPIO commands can be embedded in the command queue and executed alongside other serial protocol commands. GPIO timing is deterministic.

External Supply

The adaptor can be powered via USB, eliminating the need for an external power supply. For applications where the USB host may be current starved, an external 5 Vdc power supply can be used to power the device.

Buffering and Trigger Modes

The SC4415 incorporates an instruction sequencer to accelerate high-volume production test applications. These high-capacity buffers can be recalled by activating one of several trigger modes. Two buffers of 2,048 instructions each can be filled and replayed in instruction sequencer style.