A system-on-chip platform for the internet of things featuring a 32-bit RISC-V based microcontroller

A tested and measured 32-bit microcontroller used as an open-source platform for Internet of Things is presented. An AXI-4 lite bus is used for communication considering the possible implementation of accelerators for specialized applications. The implemented SoC occupies a 2.1mm × 2.1mm area in a 130nm CMOS. The SoC has a dynamic power of 167μW measured from a 1.2V when the core is clocked at 100MHz. The SoC has been tested at maximum speed of 160MHz. It is the first silicon-proven 32-bit microcontroller sporting a RISC-V core.