Microchip PIC18F452
The Microchip PIC18F452 is a powerful 8-bit MCU engineered for performance-intensive tasks in embedded systems. With 32KB of flash memory, 1.5KB SRAM, and 256 bytes of EEPROM, it offers a significant upgrade over the mid-range PIC16 series, making it suitable for more demanding applications like real-time data acquisition, process control, and sensor-driven automation.
It features a 10-bit Analog-to-Digital Converter (ADC) with 8 channels, multiple 8/16-bit timers, and enhanced USART for smooth serial communication. Its robust interrupt handling, low power sleep modes, and external crystal support make it a go-to controller for designers seeking more control and responsiveness in their builds.
The PIC18F452 is supported by MPLAB X IDE and tools like PICkit 3/4, making development smooth and scalable.
🛠 Technical Specifications
Parameter | Details |
---|---|
Core Architecture | 8-bit RISC |
Operating Voltage | 2.0V – 5.5V |
Program Memory | 32 KB Flash |
Data Memory | 1.5 KB SRAM |
EEPROM | 256 Bytes |
Digital I/O Pins | 33 |
Analog Inputs | 8 channels, 10-bit ADC |
Timers | 3 × 16-bit, 1 × 8-bit |
PWM Channels | 2 |
Serial Interfaces | USART, SPI, I²C |
Oscillator Support | Internal & External up to 40 MHz |
Instruction Cycle | 100 ns at 40 MHz |
Package | DIP-40, PLCC, QFP |
💡 Use Cases & Practical Applications
-
Industrial Process Controllers
Handle time-critical control loops and feedback systems in factory automation. -
Data Logging Systems
Collect and store environmental or sensor data via ADC and EEPROM. -
Advanced Robotics Platforms
Use timers and PWM outputs to drive motors, sensors, and actuators. -
Communication Gateways
USART and I²C interfaces allow this MCU to bridge between peripherals or external modules like GSM, GPS, or RF transceivers. -
Educational Development Boards
Suitable for teaching advanced microcontroller programming concepts with real-time interrupt control and memory handling.
🛠️ Pair With
-
🖥 Raspberry Pi Mounts & Cases — for compatible enclosures
🎥 YouTube Tutorial
📺 PIC18F452 Programming using MPLAB X and XC8 Compiler
👉 Watch Tutorial
⚠️ Precautions & Tips
-
Double-check fuse bit configurations before flashing your firmware — incorrect settings can lock the chip.
-
Always use decoupling capacitors (0.1µF) across power lines for stability.
-
Avoid floating input pins — use pull-up or pull-down resistors where necessary.
-
Choose an appropriate clock source (internal or external) depending on timing precision needs.
🏁 Summary & Purchase Info
The PIC18F452 is a dependable, feature-rich MCU for engineers and developers seeking extended memory, faster performance, and flexible I/O without the overhead of 32-bit complexity. Whether you’re building automation panels or experimenting with data logging, this controller keeps development simple and scalable.
🛒 Order now at Electroway for fast delivery and expert support.
Reviews
There are no reviews yet.