miniHIL FPGA Adapter Board

FPGA board and MCU adapter

Add-ons and adapters for the compact miniHIL solution

Support more MCUs and interfaces, and get more flexibility when using your miniHIL for testing embedded systems.

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miniHIL Add-On

FPGA Adapter

Some test approaches require faster data conversion, specially configured interfaces, or significantly more digital I/O. The miniHIL FPGA adapter, based on the Lattice LF-XP2-17e, can be used to generate analog signals with 8- or 12-bit DACs and control up to 89 digital pins. This allows the injection of errors, CRC or protocol testing, setup testing, implementation of alternative bus protocols, and simulation of signals with response times of less than one microsecond.

The FPGA is programmed with Lattice Diamond, a user-friendly, powerful design tool for FPGA design. Alternatively, the PROTOS team will be happy to assist you in developing your test environment.


Technical Overview

  • Lattice LF-XP2-17e
  • 89 digital I/Os – 0.0 V to 3.3 V
  • 4 x 12-bit DACs – > 10 MHz
  • 12 x 8-bit DACS – > 200 kHz
  • Dual QSPI connection to the miniHIL
  • 17,000 LUTs
  • 35 KBits Distributed RAM

miniHIL Extensions

Adapter Boards

The miniHIL supports most boards that follow the pinout of boards such as Arduino or STM32 Nucleo. The PROTOS team can also provide design and development support for custom adapter boards. Some boards already exist, such as our generic 5 V adapter board, as well as boards for the Infineon Infineon TLE987x motor driver with integrated Arm Cortex M3 or Microchips dsPIC33EV.

PROTOS miniHIL 5V Adapter

Our generic adapter offers:

  • 15 x analog level shifters (output: 0-5 V)
  • 12 V supply voltage with current measurement (to supply the target MCU)
  • 5 V and 3.3 V power supply for target board
  • 2 x analog outputs 0-30 V
  • 22 x bidirectional level shifters 3.3 V ↔ 5 V (digital)
  • 4 x digital 5 V outputs with enable (for tristate signals)
  • 1 x LIN Out (via Lin Transceiver)
  • 1 x MCP2518FD (connected to miniHIL MCU for additional CAN interface)
  • 1 x CAN Phy (used by target or miniHIL MCU)
  • Motor bridge with gate signal adjustment for measurement of gate signals at 3.3 V as well as provision of U_DS measurement signals
  • Analog multiplexer for PWM-synchronous provision of single shunt signals

What is your use case for the miniHIL?

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