The PIC16F1939-I/P is an enhanced mid-range PIC16 family 8-bit powerful (200 nanosecond instruction execution) yet easy-to-program CMOS flash based Microcontroller packs powerful PIC®(RISC) architecture. This product offer all of the advantages of the well recognized mid-range x14 architecture with standardized features including 28kB of addressable program memory size, 1024bytes of data memory size, 36 general-purpose I/O pins, two comparators, 14-channel 10-bit analog-to-digital (A/D) converter and one 5-bit digital-to-analog (D/A) converter. This device operates at a maximum frequency of 32MHz with wide operating voltage of 1.8 to 5.5V.