Microchip PIC18F458-I/P 8-Bit Microcontroller Data Sheet and Technical Specifications
The Microchip PIC18F458-I/P is a high-performance 8-bit microcontroller unit (MCU) built on Microchip’s enhanced PIC18 architecture. This powerful MCU is designed for complex embedded applications requiring robust communication capabilities, ample program memory, and versatile peripheral integration. It is housed in a 40-pin PDIP package, making it suitable for prototyping and industrial applications.
Core Architecture and Performance
At the heart of the PIC18F458 is an enhanced 16-bit instruction set with a 10-bit analog-to-digital converter (ADC). The device operates at speeds up to 40 MHz, delivering a performance of 10 MIPS. It features 32 KB of flash program memory, 1.5 KB of RAM, and 256 bytes of EEPROM data memory, providing ample space for code and data storage in demanding applications.
Advanced Peripheral Integration
A key strength of this microcontroller is its rich set of integrated peripherals. It includes multiple communication interfaces: CAN (Controller Area Network) 2.0B support for robust automotive and industrial networking, an Enhanced USART for RS-485 and LIN compatibility, an SPI module, and an I2C module for inter-IC communication. Additionally, it boasts a 10-bit ADC with up to 8 channels, multiple timers including a 4-wire PWM, and a CCP (Capture/Compare/PWM) module.
Operating Characteristics and Durability
The PIC18F458-I/P is designed for reliability in harsh environments. It operates over a wide voltage range of 4.2V to 5.5V and an industrial temperature range of -40°C to +85°C. Its robust design includes features like a programmable brown-out reset (BOR) and a high-current sink/source capability of 25 mA per I/O pin, ensuring stable operation.
Development Support
Microchip provides extensive development support for this MCU through the MPLAB X IDE and the PICkit™ series of programmers/debuggers. This ecosystem simplifies code development, debugging, and programming, accelerating time to market for final products.
The Microchip PIC18F458-I/P stands out as a highly integrated 8-bit solution, particularly for applications requiring CAN bus connectivity and a rich set of peripherals. Its balance of processing power, memory, and industrial durability makes it an excellent choice for automotive control systems, industrial automation, and advanced embedded control projects.
Keywords:
PIC18F458
8-Bit Microcontroller
CAN Bus
Enhanced Peripherals
Industrial Automation
