SVF522R3K1CMK4 eval board for robot control

Help & Support Robot Parts
1

Hi everyone —

I’m considering using SVF522R3K1CMK4 for a robotics project (sensor interfacing, motor control, etc.), and I wanted to get opinions from this community.

Here are my ideas how to add it:
Use it as a sensor hub — read IMU, distance sensors, temperature, etc., and communicate with a higher-level controller (e.g. ROS, Pi)
Use it for motor control — driving small DC motors, servos, or stepper drivers
Use it for feedback loops — control loops, PID, etc., especially for smaller robots or drones
As an intermediate controller between high-level commands (like from an SBC) and hardware peripherals

So…
For robotics tasks, would you trust this board for real-time control, or use a dedicated microcontroller / FPGA? What communication interface would you prefer (UART, SPI, I²C, CAN) when linking this evaluation board with a main controller? Any tips on wiring / protecting the board (power filtering, protection diodes) in a noisy robotics environment?

If you were using this, how would you structure firmware (interrupts, RTOS, DMA) to optimize sensor read + motor actuation performance?

Would love to hear your toughts. Thanks in advance!

Jordan

1 Like
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Hi @Jordan22x ,

The SVF522R3K1CMK4 is a great choice for real-time control in your robotics project, handling hard, deterministic tasks like sensor reading and PID loops, leaving the higher-level controller for soft tasks.

I recommend using CAN as the primary communication interface to the main controller (ROS/Pi) for its robustness in a noisy, multi-node environment.

To protect the board, implement LC power filters on the power rails and use TVS diodes against motor-induced voltage spikes.

Structure your firmware using a high-frequency timer interrupt for the PID loop, leveraging DMA for sensor reads, ideally managed by a light RTOS like FreeRTOS, to ensure optimal performance.

This architecture provides the necessary separation and speed for a responsive robot.

Feel free to ask anything else.