Microchip PIC18F87J90-I/PT: High-Performance 8-Bit Microcontroller for Embedded Systems
The Microchip PIC18F87J90-I/PT stands as a formidable solution in the realm of 8-bit microcontrollers, engineered to meet the rigorous demands of modern embedded systems. This high-performance device is part of Microchip's extensive PIC18 family, renowned for its robust architecture, versatile peripherals, and exceptional integration capabilities. It is specifically designed to deliver computational power, efficiency, and reliability for complex applications ranging from industrial automation and automotive systems to advanced consumer electronics and Internet of Things (IoT) devices.
At the core of the PIC18F87J90-I/PT lies an enhanced PIC18 CPU core with a nanoWatt XLP technology, enabling it to operate at speeds up to 40 MHz while maintaining ultra-low power consumption. This makes it exceptionally suited for both power-sensitive and performance-critical applications. The microcontroller features a generous 128 KB of self-read/write capable flash program memory and 3,904 bytes of RAM, providing ample space for sophisticated firmware and data handling. Additionally, it includes 1,024 bytes of EEPROM for non-volatile data storage, ensuring data retention without power.

One of the standout attributes of this microcontroller is its rich set of integrated peripherals. It boasts an Ethernet MAC (Media Access Controller) with DMA, facilitating seamless and high-speed network connectivity—a critical feature for IoT and networked embedded systems. The device also includes multiple communication interfaces such as USART, SPI, and I2C modules, enabling easy interfacing with a wide array of sensors, displays, and other external components. For analog needs, it offers a 10-bit Analog-to-Digital Converter (ADC) with up to 16 channels, allowing precise measurement of analog signals.
The PIC18F87J90-I/PT is built with robustness in mind. It operates over a wide voltage range (2.0V to 3.6V) and an extended temperature range (-40°C to +85°C), ensuring reliability in harsh environments. Its advanced interrupt capability and multiple timers, including a Real-Time Clock and Calendar (RTCC), support complex timing and control tasks. The microcontroller is housed in an 80-pin TQFP package, offering a compact form factor suitable for space-constrained designs.
Development and debugging are streamlined through In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) capabilities, accelerating the prototyping and testing phases. Supported by Microchip's comprehensive MPLAB X IDE and a vast ecosystem of development tools, designers can efficiently harness the full potential of this microcontroller.
ICGOODFIND: The Microchip PIC18F87J90-I/PT is a top-tier 8-bit microcontroller that excels in performance, connectivity, and power efficiency. Its integration of an Ethernet MAC, extensive memory, and versatile peripherals makes it an ideal choice for developers building next-generation embedded systems that require reliable networking and advanced control features.
Keywords: 8-Bit Microcontroller, Ethernet MAC, nanoWatt XLP Technology, Embedded Systems, PIC18 Family.
