The PIC18F87K90 family of 8-bit microcontrollers, featuring nanoWatt XLP technology and the Charge Time Measurement Unit (CTMU) module, provide ideal solutions for battery-powered LCD applications utilizing touch interfaces.With 24 channels of capacitive touch sensing in an 80-pin package, these MCUs enable higher system integration – combining large segmented LCDs with the capability for a high number of touch sliders, buttons and keys or touch screen technology.Industry-leading low power operation exhibited by this family of microcontrollers helps to extend battery life in applications such as portable medical devices, thermostats, security systems, utility meters, small appliances, and electronic door locks.

Low Power Features

  nanoWatt XLP technology for low sleep, RTCC, LCD and WDT currents

  Low-Power BOR

  Ultra Low-Power Wake-Up

  Fast Wake-Up

  Low Input Leakage Currents

CPU

  Up to 16 MIPS Performance

  Operating Speed up to 64 MHz

  Operating Voltage Range: 1.8 to 5.5V

  8 X 8 Single-Cycle Hardware Multiplier

  Three Internal Oscillators: 31 kHz, 500 kHz, 16 MHz

Peripherals

  LCD Driver

  Up to 48 Segments and 192 Pixels

  Drives LCD Panel in Sleep Mode

  Programmable LCD Timing Module

  Charge Time Measurement Unit for mTouch Sensing

  A/D Converter

  12-bit Resolution

  24 Channels

  Ten CCP/ECCP Modules

  Eleven 8/16-bit Timer/Counter Modules

  Three Analog Comparators

  Hardware Real-Time Clock and Calendar (RTCC)

  Two Master Synchronous Serial Port Modules