Company News

PIC18F65K80-I/PT Microchip Technology-Microcontrollers: A Comprehensive Guide

Views : 105
Update time : 2025-06-04 16:08:17
The Microchip PIC18F65K80-I/PT is a versatile 8-bit microcontroller. With 32KB of program memory, 3648 bytes of SRAM, and 1024 bytes of EEPROM, it offers ample storage. It features 11-channel 12-bit A/D converters, multiple timers, and communication interfaces like I²C, SPI, and CAN. Operating from 1.8V to 5.5V and with a max frequency of 64MHz, it suits diverse applications, from industrial control to automotive systems, providing reliable performance and flexibility.
 

Microchip PIC18F65K80-I/PT's Features

Architectural Features: It adopts the PIC® (RISC) architecture, with an instruction execution time of 200 nanoseconds. It uses a 12-bit program word and has a Harvard 8-bit architecture. It is equipped with a 2-level hardware stack and an 8-bit file select register. The instruction set is simple, with only 33 instructions (12 bits wide).
Memory Capacity: It has 32KB of addressable program memory, 3648 bytes of data memory (SRAM), and 1024 bytes of EEPROM data memory.
Pin and Interface Configuration: It has 64 pins, among which 54 are general-purpose I/O pins. It supports various communication interfaces such as I²C, SPI, and USART, and also integrates a Controller Area Network (CAN).
Abundant Peripheral Resources: It integrates an 11-channel 12-bit analog-to-digital (A/D) converter, two analog comparators, 5 timers (2 8-bit and 3 16-bit), 4 Capture/Compare/PWM (CCP) modules, and 1 Enhanced Capture/Compare/PWM (ECCP) module. It is equipped with a Charge Time Measurement Unit (CTMU), supports 8 capacitive touch channels, has a Watchdog Timer (WDT), and has built-in oscillators with frequencies of 31kHz, 500kHz, and 16MHz.
Electrical Characteristics: The operating voltage range is from 1.8V to 5.5V, and the maximum operating frequency reaches 64MHz.
Other Features: It supports In-Circuit Serial Programming (ICSP™), has Programmable Brown-out Reset (BOR) and Programmable Low-Voltage Detection functions. It complies with the AEC-Q100 automotive standard, meets the RoHS and RoHS phthalate standards, has no SVHC (Substances of Very High Concern). The moisture sensitivity level is MSL 3 - 168 hours, and it is in a surface mount package (TQFP package).

 

Microchip PIC18F65K80-I/PT's Applications

The Microchip PIC18F65K80-I/PT is a feature-rich 8-bit microcontroller that, with its various characteristics, has a wide range of applications in multiple fields:
Industrial Field: It is commonly used in motor drive and control scenarios. By utilizing its timer/enhanced compare/capture/PWM functions, it can achieve precise timing control and accurately adjust the operation of motors. In terms of sensor data collection, with the help of an 11-channel 12-bit analog-to-digital (A/D) converter, it can efficiently collect data from various sensors, such as temperature, humidity, pressure, etc., providing basic data support for industrial automation. It can also be used in PLC expansion modules to enhance the functions of programmable logic controllers and improve the overall performance of industrial production systems.
Automotive Field: Due to its ECAN (Enhanced Controller Area Network) module, which complies with the CAN 2.0B Active specification, it can achieve stable and high-speed communication among various electronic control units (ECUs) inside the vehicle, such as reliable data transmission in systems like engine control, body control, and in-vehicle networks. With an operating voltage range from 1.8V to 5.5V, it can adapt to the complex electrical environment of automobiles and ensure stable operation under different working conditions.
Consumer Electronics Field: In electronic toys, its low-power consumption characteristic helps to extend the battery life. The abundant I/O ports can be connected to various sensors, indicator lights, and actuators to achieve diverse interactive functions. In smartwatches, relying on the advantage of low power consumption, it can maintain long-term operation with limited battery power. Through the A/D converter, it can collect sensor data such as ambient light and heart rate, enhancing the user experience. For remote controllers, by using its powerful processing capabilities and communication interfaces, it can achieve precise control of various household appliances.
Smart Home Field: When used for intelligent lighting control, combined with relevant communication modules (such as Wi-Fi, Bluetooth, etc.), it can enable functions like remote control of light switches and brightness adjustment through a mobile phone APP. In the temperature and humidity monitoring system, it can read the data from temperature and humidity sensors with the help of the A/D converter and transmit the data to the user terminal through the communication module, making it convenient for users to grasp the indoor environmental conditions in real time. It can also be applied to the security system, connecting devices such as door and window sensors and cameras to achieve functions like intrusion detection and abnormal alarm, ensuring home security.
Medical Field: In some small medical devices, such as portable health monitoring devices, by using its low power consumption and rich peripherals, it can collect physiological data (such as heart rate, blood pressure, etc.) and transmit the data to medical staff or storage devices through communication interfaces. Its stability and reliability also meet the strict requirements of medical devices for electronic components, ensuring the accurate operation of the devices during long-term use.
Lighting Field: It can achieve dimming control of various lighting fixtures by controlling the PWM output, meeting the brightness requirements of different scenarios. In cooperation with sensors (such as ambient light sensors) in the intelligent lighting system, it can use the A/D converter to collect ambient light intensity data and automatically adjust the light brightness to achieve energy-saving and comfortable lighting effects.
 

Microchip PIC18F65K80-I/PT's Attributes

Program Memory Size (KB) 32 RAM (bytes) 3648
Data EEPROM (bytes) 1024 Pin Count 64
Operation Voltage Max.(V) 5.5 Operation Voltage Min.(V) 1.8
Timers 2 x 8-bit - 3 x 16-bit Max ADC Resolution (bits) 12
ADC Channels 11 Zero Cross Detect No
Number of Comparators 2 SPI 1 -SPI
I2C 1 -I2C Stand alone PWM 0
Low Power Yes Numerically Controlled Oscillator (NCO) 0
Data Signal Modulator (DSM) 0    
 

Microchip PIC18F65K80-I/PT's Datasheet


 

Microchip PIC18F65K80-I/PT's Pinouts

The Microchip PIC18F65K80-I/PT has 64 pins, among which 54 are general - purpose I/O pins. Here is a detailed introduction to its main pins:
  1. Power Supply Pins
    • VDD: Power supply pin for the microcontroller core, which needs to be connected to the positive pole of the power supply. The operating voltage range is 1.8V - 5.5V.
    • VSS: Ground pin, which should be connected to the negative pole of the power supply to provide a reference potential.
  2. Input/Output Pins
    • General - Purpose I/O Pins: There are 54 general - purpose I/O pins, which can be configured as input or output pins according to the needs of the application. They can be used to connect peripheral devices such as sensors, actuators, and displays.
  3. Communication Interface Pins
    • SPI Pins: Include pins such as SCK (Serial Clock), MOSI (Master Out Slave In), and MISO (Master In Slave Out), which are used to connect to SPI - compatible devices for high - speed serial data communication.
    • I²C Pins: Usually include SDA (Serial Data) and SCL (Serial Clock) pins, which are used to connect to I²C - compatible devices for two - wire serial data communication.
    • USART Pins: Include TX (Transmit) and RX (Receive) pins, which are used for asynchronous serial data communication and can be connected to devices such as serial ports and modems.
    • CAN Pins: Used to connect to the Controller Area Network (CAN) bus, enabling the microcontroller to communicate with other CAN - enabled devices in the automotive or industrial field.
  4. Analog - Related Pins
    • A/D Converter Input Pins: There are 11 channels of 12 - bit analog - to - digital converter input pins, which can be used to connect to analog sensors to convert analog signals such as temperature, humidity, and pressure into digital signals for the microcontroller to process.
    • Analog Comparator Pins: Two analog comparator pins are used to compare two analog input voltages and output a digital signal indicating which input is larger.
  5. Special Function Pins
    • MCLR/VPP/RE3 Pin: In low - voltage ICSP mode, this pin has specific functions related to programming and reset.
    • Watchdog Timer (WDT) Pin: Related to the watchdog timer function, which is used to monitor the running status of the microcontroller and perform a reset operation if the program runs abnormally.
For the specific pin - out diagram and more detailed pin information, it is recommended to refer to the official data sheet of the Microchip PIC18F65K80 - I/PT.
 

Microchip PIC18F65K80-I/PT's Category-Microcontrollers

Microcontrollers are the unsung heroes of the modern digital age, powering a vast array of devices from everyday consumer electronics to complex industrial systems. These tiny chips integrate a microprocessor core, memory, input/output peripherals, and often specialized modules, enabling them to execute a wide range of tasks with efficiency and precision. Their versatility lies in the ability to be programmed for specific functions, making them adaptable to diverse applications. Whether it's controlling the speed of a motor, processing sensor data, or managing communication between different components, microcontrollers play a crucial role in ensuring seamless operation.
Among the many microcontrollers available, the Microchip PIC18F65K80-I/PT stands out as a remarkable option. With its robust 8-bit architecture, ample memory resources, and a rich set of peripherals like multiple timers, high-resolution A/D converters, and various communication interfaces, it offers great flexibility for developers. Its wide operating voltage range and low-power features make it suitable for both battery-powered and industrial applications. Whether used in automotive electronics, smart home devices, or portable medical equipment, the PIC18F65K80-I/PT continues to demonstrate its reliability and performance, solidifying its place as a key player in the microcontroller landscape.
 

PIC18F65K80-I/PT's Manufacturer-Microchip

Microchip has made indelible achievements in the microcontrollers domain. Since its establishment in 1989, it has been a global leader in supplying microcontrollers and analog semiconductors.
Microchip's PIC series of microcontrollers is particularly renowned. For instance, the 8 - bit PIC18 series, like the PIC18F65K80 - I/PT, features a compact structure, low power consumption, and ease of development. With a wide operating voltage range from 1.8V to 5.5V, it suits diverse applications, from industrial control to automotive electronics. It has rich peripherals such as multiple timers, high - resolution A/D converters, and various communication interfaces like SPI, I²C, USART, and CAN, enabling seamless data transfer and device interaction.
In addition, Microchip offers different - bit - width microcontrollers, including 16 - bit PIC24 series and 32 - bit PIC32 series, catering to applications with different computational performance and memory capacity requirements. Their continuous innovation in microcontroller technology, in terms of power efficiency, integration of advanced features, and meeting industry - specific standards (like AEC - Q100 for automotive), has made Microchip's microcontrollers integral components in countless products worldwide, driving technological progress across multiple industries.

 

PIC18F65K80-I/PT's Similar Parts

Part Number Manufacturer Package / Case Number of Pins Data Bus Width Number of I/O Memory Size Supply Voltage
PIC18F65K80-I/PT Microchip Technology 64-TQFP 64 8 b 54 32 kB 3.3 V
PIC18F66K80-I/PT Microchip Technology 80-TQFP 80 8 b 69 32 kB 3.3 V
PIC18F66K80T-I/PT Microchip Technology 64-TQFP 64 8 b 54 64 kB 5 V
PIC18F65K22-I/PT Microchip Technology 64-TQFP 64 8 b 54 64 kB 5 V
 

PIC18F4520-I/PT vs PIC18F65K80-I/PT

Pictures  
Part number PIC18F4520-I/PT +BOM PIC18F65K80-I/PT +BOM
Manufacturer Microchip Technology Microchip Technology
Package TQFP-44 64-TQFP
Description With its advanced features and reliable performance,
the PIC18F4520-I/PT stands out as a top choice for developers
MCU 8-bit PIC RISC 32KB Flash 2.5V/3.3V/5V Automotive
AEC-Q100 64-Pin TQFP Tray
Stock 8892 3557
Program Memory Size (KB) 32 32
RAM (bytes) 1536 3648
Data EEPROM (bytes) 256 1024
Pin Count 40 64
Operation Voltage Max.(V) 5.5 5.5
Operation Voltage Min.(V) 2 1.8
Timers 1 x 8-bit - 3 x 16-bit 2 x 8-bit - 3 x 16-bit
Max ADC Resolution (bits) 10 12
ADC Channels 13 11
Zero Cross Detect No No
Number of Comparators 2 2
SPI 1 -SPI 1 -SPI
I2C 1 -I2C 1 -I2C
Stand alone PWM 0 0
Low Power No Yes
Numerically Controlled Oscillator (NCO) 0 0
Data Signal Modulator (DSM) 0 0
 

PIC18F65K80-I/PT's FAQs

General

  1. What is the PIC18F65K80 - I/PT?
    The PIC18F65K80 - I/PT is an 8 - bit microcontroller (MCU) from Microchip Technology, featuring a PIC RISC architecture. It’s designed for embedded system applications, with integrated peripherals like ADCs, communication interfaces (SPI, I2C, UART, etc.), and timer modules, packaged in a 64 - TQFP form factor.
  2. What are the main application areas of this MCU?
    It suits diverse applications: automotive (e.g., in - car sensor interfaces, basic control modules, leveraging AEC - Q100 qualification), industrial (sensor data acquisition, small - scale automation, equipment control), consumer electronics (smart home devices, low - power appliances), and portable systems (battery - powered gadgets, due to its flexible voltage range).

Technical Specifications

  1. What is the operating voltage range?
    The PIC18F65K80 - I/PT operates from 1.8V to 5.5V, allowing compatibility with both low - power (e.g., battery - based) and standard 3.3V/5V system designs.
  2. How much program memory and RAM does it have?
    It has 32KB of Flash program memory for storing code and 3648 bytes of RAM for runtime data processing. There’s also 1024 bytes of Data EEPROM for non - volatile data storage (e.g., calibration values, user settings).
  3. What’s the ADC resolution and channel count?
    It features an 11 - channel, 12 - bit Analog - to - Digital Converter (ADC). This enables precise sampling of analog signals (like temperature, voltage from sensors) for processing in embedded control loops.
  4. Which communication interfaces does it support?
    It integrates multiple interfaces:
    • SPI: For high - speed, synchronous serial communication with peripherals (e.g., memory chips, sensors).
    • I2C: For multi - device, two - wire asynchronous communication (common in sensor networks, EEPROMs).
    • UART: For asynchronous serial communication (e.g., connecting to RS - 232/RS - 485 transceivers, debug terminals).
    • CAN: Supports Controller Area Network, useful in automotive and industrial bus - based systems for robust, noise - tolerant communication.

Design & Development

  1. What development tools are compatible with it?
    Microchip’s MPLAB X Integrated Development Environment (IDE) is the primary platform. It works with compilers like XC8 (for 8 - bit PIC MCUs) and debuggers/programmers such as the PICkit 4 or ICD 4, enabling code writing, debugging, and device programming.
  2. Can it be used in low - power applications?
    Yes. It offers low - power modes (e.g., Sleep, Idle) to minimize energy consumption, making it suitable for battery - operated devices. The “Low Power” feature (as per specs) helps optimize power usage during idle or standby states.
  3. How to handle pin configuration and peripheral setup?
    Via Microchip’s peripheral library (PLIB) or direct register programming. MPLAB X provides code examples and configuration wizards (in some plugin tools) to simplify setting up pins (as digital I/O, analog inputs) and initializing peripherals (like setting ADC channels, configuring communication baud rates).

Troubleshooting

  1. What if the MCU doesn’t respond during programming?
    Check connections: Ensure the programming tool (e.g., PICkit) is properly interfaced to the device’s MCLR, VDD, VSS, and data pins. Verify power supply (meets 1.8V–5.5V range). Also, confirm the correct device selection in MPLAB X (matching “PIC18F65K80”) to avoid programming errors.
  2. How to debug issues with peripheral communication (e.g., SPI not working)?
    First, check register configurations (e.g., SPI mode, clock polarity/phase, pin directions). Use MPLAB X’s debugger to monitor register values and pin states in real - time. Test with simple “loopback” setups (sending data from TX pin and reading on RX pin of the same interface) to isolate if the issue is in hardware wiring or software logic.
  3. Why is the ADC reading inaccurate?
    Possible causes: Incorrect voltage reference setup (check VREF+/- pins, ensure they’re properly biased). Noise on analog input lines (add decoupling capacitors, keep analog and digital traces separate). Or, ADC clock configuration issues (too fast a clock can reduce accuracy; refer to datasheet for recommended ADC clock ranges).
 
WlS Electronic holds a large inventory of Microchip PIC18F65K80-I/PT. We assure you that these are genuine and brand - new components, directly sourced from Microchip. If needed, we can provide quality test reports for the PIC18F65K80-I/PT. To obtain a quotation, simply fill in the desired quantity, your contact name, and your email address in the quick quotation form on the right. Our sales representatives will get in touch with you within 12 hours. You can contact us online at any time, or send an email to: SALES@WLSCHIP.COM.
Related News
Read More >>
LDK220 LDO Voltage Regulators Specifications, Features, Pinout, and Applications LDK220 LDO Voltage Regulators Specifications, Features, Pinout, and Applications
Feb .02.2026
The LDK220 series of low-dropout linear regulators (LDOs) is a high-performance device designed specifically for low-power consumption and high-precision voltage regulation, widely used in scenarios such as consumer electronics, industrial control, and po
Xilinx Spartan®-7 FPGA Family: A High-Performance and Energy-Efficient Solution for Mid-Range FPGAs Xilinx Spartan®-7 FPGA Family: A High-Performance and Energy-Efficient Solution for Mid-Range FPGAs
Jan .20.2026
Xilinx Spartan®-7 FPGA Family stands as a defining solution in the mid-range FPGA landscape, blending high performance, energy efficiency, and cost-effectiveness to redefine versatility for industrial, IoT, and consumer electronics applications. Built on
Altera FLEX Series: Architecture, Innovation, and Application Across Four Generations Altera FLEX Series: Architecture, Innovation, and Application Across Four Generations
Jan .07.2026
The Altera FLEX series was more than a lineup of FPGAs—it was a blueprint for how programmable logic devices could evolve to meet diverse market needs. The FLEX 8000 laid the architectural groundwork, the FLEX 10K redefined functionality with embedded mem
LM4765 vs. LM4766: A Comprehensive Comparison of Dual-Channel Audio Power Amplifiers LM4765 vs. LM4766: A Comprehensive Comparison of Dual-Channel Audio Power Amplifiers
Dec .16.2025
Among TI standout offerings, the LM4765 and LM4766 are dual-channel amplifiers designed to cater to diverse audio needs—from compact setups to high-fidelity systems. While sharing the same product lineage, these chips differ significantly in power output,