PIC32MX1XX/2XX/5XX 64/100-PIN 32-bit Microcontroll.
Microchip
PIC32MX550F256L - 32-bit Microcontrollers
PIC32MX1XX/2XX/5XX 64/100-PIN 32-bit Microcontrollers (up to 512 KB Flash and 64 KB SRAM) with Audio/Graphics/Touch (HMI), CAN, USB, and Advanced Anal.