PIC32MX25 32-Bit Microcontrollers Microchip Technology PIC32MX25 32-Bit Microcontrollers are a low-cost solution for a wide range of embedded designs that require complex code and higher feature integration. The PIC32MX25 MCUs have up to 50MHz/83 DMIPS and provide up to 512/64KB Flash/RAM options. These MCUs have a variety of features including SPI/I2S™, mTouch® capacitive touch sensing, and an enhanced Parallel Master Port (PMP).