PSoC™ 4100S Plus Arm® Cortex®-M0+ MCUs 128KB Infineon Technologies PSoC™ 4100S Plus Arm® Cortex®-M0+ MCUs 128KB consist of embedded system controllers that integrate custom digital peripheral functions, memory, and an Arm® Cortex®-M0+ MCU with flexible automatic routing. The programmable digital peripheral functions allow higher flexibility and in-field tuning of the application. Additional features include a capacitive touch-sensing system (CapSense), programmable general-purpose continuous-time and switched-capacitor analog blocks, and programmable connectivity. With its integrated design, the PSoC 4100S Plus devices help provide a complete system solution for many embedded applications.