Actel offers a demonstration platform that showcases IGLOO devices as controllers for various Human Machine Interface (HMI) functions. As a result, you can evaluate an IGLOO FPGA as a flexible HMI controller for your designs. The platform consists of an HMI daughter card for Actel's IGLOO Icicle Kit. The HMI daughter card is comprised of a standard cell phone keypad with 18 keys (3 rows and 6 columns), 10 white LEDs, and 4 RGB LEDs that serve as the backlight for the keypad and a speaker. The block diagram shows the Icicle board connected to the HMI daughter card. Actel provides a software program that runs on a PC to control different functions. 
The data is communicated between the PC and Icicle board through the USB cable with a USB-to-UART chip that allows a simple UART controller on the IGLOO low-power FPGA to communicate the data with the PC. Actel's IGLOO Icicle Kit, based on the industry leading 2 µW IGLOO FPGAs, is a low-cost, portable, low-power demonstration platform that can be powered by a built-in rechargeable lithium-ion battery, USB cable, or external power supply. The Icicle evaluation board enables you to measure power consumption (dynamic, static, and Flash*Freeze modes) with the core operating from 1.2 V to 1.5 V.
The following items can be purchased online through Avnet Engineering Services:
- Small form factor plug-in daughter card for Icicle Kit (based on the ultra-low-power IGLOO FPGA with Flash*Freeze technology)
- Evaluation and development platform with flexibility of demonstrating different HMI functions
- Keypad control
- Brightness control for White LEDs
- Color mixing for RGB LEDs
- Tone generation
- FREE Download of design examples
- No external power supply needed
- All functions can be controlled using a GUI software on a PC
- Serial communication between the PC and the IGLOO FPGA through USB-to-UART interface
- Jumper settings to:
- Select input voltage to LED driver
- Select speaker voltage
- Select demonstration through software or hardware control
- Select external 5 V supply
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