PIC18F26K40 Microcontroller: Datasheet, Pinout and Application

The PIC18F26K40 is a 8-bit microcontroller from Microchip Technology Inc. that is part of the PIC18F K40 family. It has a high-performance 64 MHz internal oscillator and offers a wide range of integrated peripherals, including multiple communication interfaces, analog-to-digital converters, and timers.

It also has a low-power mode that makes it suitable for battery-powered applications. With 32 KB of flash memory and 2 KB of SRAM, this microcontroller is a popular choice for a variety of embedded systems applications, including consumer electronics, industrial control, and automotive.

PIC18F26K40 Microcontroller Architecture Overview：5 Aspects

Let's learn the PIC18F26K40 microcontroller architecture, Download PIC18F26K40 datasheet pdf here>>

1）Product features

• PIC18 Core with 83 Instructions, 31 Stack Levels
• Internal 64MHz oscillator
• Operating Voltage Range:- ‘F’ Version (2.3V – 5.5V)
• Temperature Range:-40C to 85C or Extended(-40C to 125C)
• 64 KB Flash with self read/write capability
• 3728 Bytes Data SRAM Memory
• 1024 Bytes of EEPROM
• 24 x 10-bit ADC channels
• 1 x 5-bit DAC
• 2 x Comparators
• Hardware Capacitive Voltage Divider (CVD) for mTouch buttons/sliders
• 1 x Zero-Cross Detect
• 2 x I2C/SPI
• 2 x EUSART with LIN support
• CRC with Memory Scan
• Windowed Watchdog Timer (WWDT)
• 1 x Hardware Limit Timer (HLT)
• 1 x Complementary Waveform Generator
• 2 x standalone 10-bit PWM modules
• 2 x Capture/Compare/PWM modules
• Three 8-bit Timers/Counters
• Four 16-bit Timers/Counters
• 1 x Hardware Limit Timer (HLT)
• Extended Watchdog Timer (WDT)
• eXtreme Low Power (XLP) technology
• Doze, Idle, and Sleep Power Saving Operating Modes
• Sleep mode: 50nA @ 1.8V, typical
• Active mode: 32uA/MHz @ 1.8V, typical
• Low Current Power-on Reset (POR)
• Brown-out Reset (BOR)
• Low-Power BOR (LPBOR)
• Peripheral Pin Select
• In-Circuit Debug Integrated On-Chip
• In-Circuit Serial Programing (ICSP) via Two Pins

2）Parametrics of PIC18F26K40

3）Main Components of the PIC18F26K40's Architecture

CPU: The Central Processing Unit is responsible for executing instructions and controlling the operation of the microcontroller.

Memory: The PIC18F26K40 has 32 KB of flash memory for storing program code and 2 KB of SRAM for storing data.

Peripherals: The microcontroller has a wide range of integrated peripherals, including multiple communication interfaces (UART, SPI, I2C), analog-to-digital converters, timers, and pulse-width modulation (PWM) modules.

Interrupt Controller: The interrupt controller allows the microcontroller to handle multiple events and respond to them in a timely manner.

Clock and Power Management: The microcontroller has a 64 MHz internal oscillator and supports low-power modes to conserve energy.

Input/Output Ports: The PIC18F26K40 has multiple input/output (I/O) ports for connecting to external devices, such as sensors and actuators.

4）PIC18F26K40 microcontroller Pinout

5）PIC18F26K40 microcontroller CAD Model

PIC18F26K40 Microcontroller Key Features and Benefits

The PIC18F26K40 offers several benefits that make it a popular choice for various embedded systems applications, including:

High performance: With a clock frequency of up to 64 MHz and a 16 MIPS instruction execution rate, the PIC18F26K40 can handle complex tasks quickly and efficiently.

Low power consumption: The microcontroller's low-power modes, including sleep and idle modes, allow it to conserve energy and extend battery life in battery-powered applications.

Versatile communication interfaces: The multiple communication interfaces, including UART, SPI, and I2C, make it easy to interface with other devices and sensors.

Ample memory: The PIC18F26K40's 32 KB of flash memory and 2 KB of SRAM provide enough storage space for most embedded systems applications.

Rich set of integrated peripherals: The microcontroller's rich set of integrated peripherals, including timers, ADCs, and PWM modules, make it easy to implement complex control and measurement functions.

Easy development: The PIC18F26K40 is supported by a wide range of development tools and software, making it easy to develop and debug applications.

Wide range of applications: The PIC18F26K40 is suitable for a wide range of applications, including consumer electronics, industrial control, and automotive, making it a versatile choice for many embedded systems projects.

Overall, the PIC18F26K40's combination of high performance, low power consumption, and integrated peripherals make it a strong choice for a wide range of embedded systems applications.

Applications of PIC18F26K40

Embedded systems: The PIC18F26K40 can be used in a variety of embedded systems, including industrial automation, home automation, and robotics. It has a high processing speed, low power consumption, and a large number of I/O pins, making it ideal for controlling various sensors, actuators, and other devices.

Consumer electronics: The PIC18F26K40 is also commonly used in consumer electronics such as smart home devices, wearables, and IoT devices. Its low power consumption and high processing speed make it ideal for battery-powered devices that require continuous monitoring and control.

Automotive applications: The PIC18F26K40 is used in various automotive applications, including engine control, dashboard displays, and safety systems. Its robust design, high-temperature tolerance, and low power consumption make it ideal for use in harsh automotive environments.

Medical devices: The PIC18F26K40 is also used in medical devices such as glucose meters, blood pressure monitors, and other diagnostic equipment. Its small size, low power consumption, and high processing speed make it ideal for portable and handheld medical devices.

Security systems: The PIC18F26K40 is used in security systems such as access control systems, surveillance cameras, and alarms. Its ability to interface with various sensors, display panels, and communication modules make it ideal for building complex security systems.

Overall, the PIC18F26K40 is a versatile microcontroller that can be used in various applications that require reliable, low power, and high-performance control.

Further Reading:  The Difference Between 8-bit, 16-bit and 32-bit Microcontrollers

ATMEGA328 VS PIC18F26K40: What  are the Differences (HOT!)

Both the Atmega328 and the PIC18F26K40 are popular microcontrollers that offer a wide range of features and capabilities. Here are some key differences between the two:

Architecture: The Atmega328 is based on a Harvard architecture, which means that it has separate memories for program code and data, while the PIC18F26K40 uses a Von Neumann architecture, which means that it uses the same memory space for program and data storage.

Memory: The Atmega328 has 32 KB of flash memory for program storage and 2 KB of SRAM for data storage, which is comparable to the PIC18F26K40. However, the Atmega328 also has 1 KB of EEPROM memory for storing non-volatile data.

Clock speed: The Atmega328 has a maximum clock speed of 20 MHz, which is lower than the PIC18F26K40's maximum clock speed of 64 MHz. This means that the PIC18F26K40 is better suited for applications that require high processing speed.

Integrated peripherals: Both microcontrollers offer a rich set of integrated peripherals, including communication interfaces, timers, and ADCs. However, the PIC18F26K40 also includes PWM modules, which can be useful for controlling motors and other devices.

Development tools: The Atmega328 is well supported by the Arduino development platform, which makes it easy to develop and prototype applications. The PIC18F26K40 is supported by a wide range of development tools, including Microchip's MPLAB IDE, but may require more expertise to use effectively.

Overall, both microcontrollers have their strengths and weaknesses, and the choice between them will depend on the specific requirements of the application. The Atmega328 is a good choice for applications that require ease of use and a strong development ecosystem, while the PIC18F26K40 is better suited for applications that require high processing speed and more advanced control capabilities.