on October 30th 3,875

Why Choose PIC18F25K80 for Industrial and Building Control?

Discover the PIC18F25K80, a microcontroller made for efficient power use and smooth device communication through built-in CAN technology. In this article, you’ll explore its features, pinout, CAD model, and versatile applications across automotive, industrial, and building control systems.

Catalog

Overview of PIC18F25K80 Microcontroller

The PIC18F25K80 is an 8-bit microcontroller designed for efficient power use, with integrated CAN technology for smooth device communication. Operating across a wide voltage range (1.8V to 5.5V), it adapts well to automotive, industrial, and building control applications. It includes enhanced timers and a 12-bit ADC, providing reliable timing and accurate analog readings for precise control. Its Charge Time Measurement Unit supports capacitive touch inputs, making it versatile for projects requiring performance and energy efficiency in compact systems.

Pinout Diagram for PIC18F25K80

CAD Model Details for PIC18F25K80

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3D Model

Key Features of PIC18F25K80

Operating Voltage Range

The PIC18F25K80 operates within a wide voltage range of 1.8V to 5.5V, which allows it to function smoothly in various power environments. This flexibility is valuable across different types of applications, from automotive systems to industrial setups, where devices may need to operate under varying voltage conditions. This feature ensures that the microcontroller remains stable and functional, even when there are minor fluctuations in the power supply, adding to its versatility in numerous use cases.

On-Chip 3.3V Regulator

Equipped with a 3.3V on-chip regulator, the PIC18F25K80 supports a stable voltage output for components within the circuit. This built-in regulator simplifies power management by reducing the need for external regulators, particularly in projects where space and design complexity are considerations. It allows for a steady and reliable power supply, making it easier to integrate the microcontroller into a range of designs.

High-Speed Operation

Operating at a speed of up to 64 MHz, the PIC18F25K80 is capable of handling demanding tasks efficiently. This high-speed operation allows for faster data processing, which is beneficial in applications where quick responses or real-time data handling are needed. The increased operating speed provides an edge in tasks that require high performance, such as controlling complex systems or handling multiple functions simultaneously.

Flash Program Memory

The microcontroller offers up to 64 KB of on-chip flash memory, providing ample space for storing program code and essential data. This flash memory supports around 10,000 erase/write cycles and offers a minimum of 20 years of data retention, ensuring that the stored information remains secure over the long term. The high erase/write endurance makes it suitable for applications that require frequent updates, while the long retention period ensures consistent performance throughout its lifespan.

Data EEPROM

With 1,024 bytes of EEPROM, the PIC18F25K80 provides a reliable option for data storage, particularly for information that may need to be updated regularly. This EEPROM is rated for 100,000 typical erase/write cycles, making it a dependable choice for applications that frequently store and retrieve data. It can hold critical data or settings that are updated periodically, providing a convenient and durable storage solution.

General Purpose Registers (SRAM)

The microcontroller includes 3.6 KB of SRAM for storing general-purpose data, which aids in managing temporary data efficiently. This SRAM is useful for applications that perform complex calculations or process a large amount of data within the program, as it allows for smoother data handling without overloading the main memory. The generous amount of SRAM helps ensure stability, especially in applications that require real-time processing.

Multiple Oscillators

The PIC18F25K80 has three internal oscillators: LF-INTOSC at 31 kHz, MF-INTOSC at 500 kHz, and HF-INTOSC at 16 MHz. These oscillators provide flexible timing options, allowing the user to select the appropriate frequency for different application needs. This feature is particularly helpful for projects that require precise timing or specific oscillation speeds, as it enables easy adjustments within the program.

Programmable Self-Programming

Self-programming capability in the PIC18F25K80 allows for software updates directly through the application, making it easier to modify or upgrade the system without external programming tools. This feature can be especially beneficial in embedded systems where software improvements or adjustments may be required, offering a straightforward way to manage updates without interrupting the main functionality.

Interrupt Priority Levels

This microcontroller supports multiple interrupt priority levels, providing greater control over task handling. By assigning different priorities to various functions, you can ensure that critical tasks receive immediate attention, reducing the risk of delays. This feature enhances the microcontroller’s responsiveness, particularly in applications where quick reactions to specific events are necessary.

Single-Cycle Hardware Multiplier

The PIC18F25K80 features an 8 x 8 single-cycle hardware multiplier, which speeds up multiplication tasks, enabling more efficient data handling in applications requiring frequent calculations. This capability can be useful for tasks involving signal processing or other complex calculations, as it helps optimize the microcontroller’s processing time and overall performance.

Extended Watchdog Timer

An extended watchdog timer with a programmable period from 4 milliseconds to over 4,000 seconds helps prevent system lockups, keeping your applications running smoothly. This timer can be adjusted based on the specific requirements of the project, providing an added layer of reliability by resetting the microcontroller in case of software malfunctions or unresponsive states.

In-Circuit Serial Programming

In-circuit serial programming (ICSP) allows the PIC18F25K80 to be programmed directly within its circuit through just two pins, making it convenient to update or program the microcontroller without removing it. This feature simplifies development and maintenance, especially when changes need to be made in real-time or when the circuit is already assembled in a device.

In-Circuit Debug Capability

The microcontroller’s in-circuit debug capability enables you to test and troubleshoot directly on the circuit, which can save significant time during development. This function allows for real-time debugging, making it easier to identify and resolve issues without disconnecting the microcontroller, streamlining the development process.

Programmable BOR and LVD

The PIC18F25K80 includes programmable brown-out reset (BOR) and low-voltage detect (LVD) features. These features help protect the application from sudden drops in voltage, ensuring a smooth operation and preventing unexpected shutdowns or resets. This added reliability is beneficial in applications that operate under variable power conditions.

Technical Specifications

Technical specifications, attributes, parameters, and similar parts for the Microchip Technology PIC18F25K80-I/SS.

Type	Parameter
Factory Lead Time	8 Weeks
Contact Plating	Tin
Mounting Type	Surface Mount
Package / Case	28-SSOP (0.209, 5.30mm Width)
Surface Mount	YES
Number of Pins	28
Data Converters	A/D 8x12b
Number of I/Os	24
Watchdog Timers	Yes
Operating Temperature	-40°C ~ 85°C TA
Packaging	Tube
Series	PIC® XLP™ 18K
Published	2010
JESD-609 Code	e3
Pbfree Code	Yes
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	28
Max Power Dissipation	1W
Terminal Position	Dual
Terminal Form	Gull Wing
Peak Reflow Temperature (°C)	260
Supply Voltage	3.3V
Frequency	64MHz
Time@Peak Reflow Temperature-Max (s)	40
Base Part Number	PIC18F25K80
Pin Count	28
Supply Voltage-Min (Vsup)	3V
Interface	CAN, I2C, LIN, SPI, UART, USART
Memory Size	32kB
Oscillator Type	Internal
RAM Size	3.6K x 8
Voltage - Supply (Vcc/Vdd)	1.8V ~ 5.5V
uPs/uCs/Peripheral ICs Type	Microcontroller
Core Processor	PIC
Peripherals	Brown-out Detect/Reset, LVD, POR, PWM, WDT
Program Memory Type	FLASH
Core Size	8-Bit
Program Memory Size	32KB (16K x 16)
Connectivity	ECANbus, I2C, LINbus, SPI, UART/USART
Bit Size	8
Has ADC	Yes
DMA Channels	No
Data Bus Width	8b
EEPROM Size	1K x 8
CPU Family	PIC
Number of A/D Converters	1
Number of UART Channels	2
Number of ADC Channels	8
Number of PWM Channels	5
Height	1.8542mm
Length	10.4902mm
Width	5.588mm
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

Functional Block Diagram of PIC18F25K80

Alternative Microcontrollers for PIC18F25K80

Part Number	Description	Manufacturer
PIC18F25K80-I-SO	Microcontroller, 8-Bit, FLASH, 64MHz, CMOS, PDSO28	Microchip Technology Inc
PIC18F25K80T-E-SO	Microcontroller, 8-Bit, FLASH, 64MHz, CMOS, PDSO28	Microchip Technology Inc
PIC18F25K80-E-SO	Microcontroller, 8-Bit, FLASH, 64MHz, CMOS, PDSO28	Microchip Technology Inc

Application Areas for PIC18F25K80

Low Power Consumption

The PIC18F25K80’s ultra-low sleep current allows it to perform efficiently in battery-powered applications, where extending battery life is a priority. This makes it an ideal choice for portable devices or systems that need to function over long periods without frequent recharging, allowing for consistent performance in energy-sensitive environments.

Automotive Systems

With a broad operating voltage range and integrated CAN communication, the PIC18F25K80 fits well in automotive systems where communication between devices is essential. This microcontroller can withstand varying power levels typical in automotive applications, making it suitable for tasks like engine control, sensor integration, or other vehicle-based electronics that require reliability and stability.

Building and Elevator Control

For building control and elevator systems, the PIC18F25K80 offers precision timing and dependable analog-to-digital conversion, essential for monitoring and responding to inputs from various sensors. Its robustness and flexibility support applications that need consistent control and accuracy, making it a reliable choice for safety-critical operations in building systems.

Industrial Applications

The microcontroller’s durability and features, such as self-programming and watchdog timers, make it an excellent choice for industrial applications where consistent, error-free operation is required. In challenging industrial environments, this microcontroller can handle demanding workloads and adapt to different power conditions, ensuring uninterrupted system performance.

Timer-Based Applications

With its advanced timers, the PIC18F25K80 is ideal for applications that depend on accurate timing, such as automated controls. Whether for machinery that requires regular intervals or control systems that need specific timing cycles, this microcontroller offers the precision needed to maintain smooth, reliable operation in timing-sensitive tasks.

Battery-Powered Devices with nanoWatt XLP Technology

The nanoWatt XLP technology in the PIC18F25K80 enhances energy efficiency, making it a great fit for devices that prioritize battery life, such as portable electronics or remote monitoring systems. This feature allows the microcontroller to operate in ultra-low power modes, significantly extending the battery life of the device while still delivering reliable functionality in compact, mobile applications.

Package Details for PIC18F25K80

About Microchip Technology Inc. – Manufacturer of PIC18F25K80

Microchip Technology Inc., based in Chandler, Arizona, specializes in microcontrollers and analog semiconductors, including the PIC series. They offer products that cater to automotive, industrial, and consumer electronics applications, with a focus on reducing development time and supporting reliability. Their production facilities in Arizona and Oregon ensure consistent quality and availability, making Microchip a trusted choice in global markets.

Datasheet PDF

PIC18F25K80-I-SO Datasheet:

PIC18F25K80-I-SO.pdf