Microchip PIC18F65J11-I/PT: A Comprehensive Technical Overview

The Microchip PIC18F65J11-I/PT stands as a robust and versatile 8-bit microcontroller unit (MCU) within the expansive PIC18 family. Engineered for applications demanding high integration, reliable performance, and connectivity, this MCU is a cornerstone for complex embedded designs across industrial, automotive, and consumer electronics sectors.

At its core, the device is built upon an enhanced PIC18 architecture with a 16-bit wide instruction set and an 8-bit data path. It operates at a maximum frequency of 48 MHz, delivering a performance of up to 12 MIPS (Millions of Instructions Per Second). This processing power is efficiently managed by an advanced nanoWatt Technology power management scheme, which allows for exceptionally low power consumption in various operational modes (Run, Idle, and Sleep), making it ideal for battery-powered and energy-sensitive applications.

A defining feature of this MCU is its substantial memory configuration. It is equipped with 128 KB of self-read/write capable Flash program memory and 3,808 bytes of RAM data memory. This ample non-volatile memory supports sophisticated firmware and over-the-air (OTA) update routines, while the generous RAM ensures smooth operation of data-intensive algorithms.

The peripheral set integrated into the PIC18F65J11 is extensive and designed for connectivity and control. Key peripherals include:

Dual Enhanced Universal Synchronous Asynchronous Receiver Transceivers (EUSART): Facilitate robust serial communication (RS-232, RS-485, LIN) with support for hardware flow control.

Master Synchronous Serial Port (MSSP): Supports both SPI and I²C protocols, enabling communication with a vast ecosystem of sensors, memories, and other peripherals.

10-Bit Analog-to-Digital Converter (ADC): With 15 input channels, this ADC is critical for precision sensing of analog signals from the environment.

Dual Analog Comparators: Provide quick and efficient comparison of analog voltages without CPU intervention.

Five 16-bit Timers/Counters: Offer flexible timing and counting operations for event management and waveform generation.

Enhanced Capture/Compare/PWM (ECCP) Modules: Provide advanced pulse-width modulation capabilities for precise control of motors, LEDs, and power converters.

The part number suffix I/PT specifies critical details: the 'I' denotes an industrial temperature range (-40°C to +85°C), and 'PT' indicates a 64-lead TQFP (Thin Quad Flat Pack) surface-mount package. This compact package is suitable for automated PCB assembly and offers a high number of I/O pins for interfacing.

ICGOOODFIND: The Microchip PIC18F65J11-I/PT is a highly integrated, power-efficient 8-bit MCU that excels in complex embedded applications. Its blend of substantial memory, a rich peripheral set featuring dual communication interfaces, and robust industrial-grade performance makes it a compelling choice for designers seeking a reliable and connected microcontroller solution.

Keywords:

8-bit Microcontroller

nanoWatt Technology

Enhanced Peripherals

Industrial Temperature Range

128KB Flash Memory