Block Diagram for the Apollo4 Blue Lite. (Credit: Ambiq) The Mi Band 8 is built around an Ambiq Apollo4 Blue Lite MCU which features a Cortex-M4 core for applications, along with a Bluetooth LE ...

It is the first MCU using a RISC-V core developed internally at Renesas. The R9A02G021 general-purpose microcontroller features an interesting mix of analog and digital peripherals, as shown in the ...