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Target Device Silicon Labs EFM32GG11
Hardware Crypto Yes
Design Files

GITHub Link

Status In Developement

This board supports the Silicon Labs EFM32 Giant Gecko 11 microcontroller. The chip mounted on the target board is the EFM32GG11B1.

Power Supply

The core of the Giant Gecko chip runs from a 1.2v supply. This is supplied and filtered through the CW308T. The I/O buses are supplied with 3.3v.

Security Features

For a full list of security features see the product family data sheet[1]


A serial bootloader is implemented on the Giant Gecko series of chips. Details for the use of this feature are described in Silicon Labs application note AN0042[2].

Schematic and Layout

See GIT Repo for design files.