RX100 32-bit Microcontrollers Renesas Electronics RX100 32-bit Microcontrollers (MCUs) encompasses the RX Family's entry-level 32-bit MCUs and extends the advanced RX architecture to the lowest power and cost points. The RX100 MCUs are ideal for applications that need a balance of the widest set of peripherals, highest performance, and optimal system cost. The RX100 MCUs feature true low power and cutting-edge peripherals like capacitive touch and LCD drive capability, as well as fast wake-up, zero wait-state flash, DSP capabilities, and multiple safety functions. These MCUs also offer integrated USB 2.0 host, device, and OTG support.