Microchip PIC18F87J10-I/PT: A Comprehensive Technical Overview

The Microchip PIC18F87J10-I/PT stands as a significant component within the expansive PIC18 microcontroller family, engineered to deliver robust performance for complex embedded applications. This 8-bit microcontroller leverages a modified Harvard architecture and an enhanced instruction set to provide a compelling blend of computational power, peripheral integration, and power efficiency, making it a versatile solution for industrial, automotive, and consumer electronics.

At the core of the PIC18F87J10 operates at speeds up to 40 MHz, facilitated by an internal oscillator block that can be tuned for various performance and power-saving profiles. Its 8-bit data path is optimized for handling control-oriented tasks efficiently. A standout feature is its substantial memory configuration, which includes 128 KB of self-read/write capable Flash program memory and 3,792 bytes of RAM. This ample non-volatile memory is essential for storing large application code and data, supporting sophisticated firmware with over-the-air (OTA) update capabilities.

The peripheral set integrated into this MCU is extensive and designed to minimize external component count. Key communication interfaces include:

Ethernet MAC (EMAC) with a dedicated DMA controller, enabling robust network connectivity—a critical feature for IoT and networked devices.

Two Enhanced Addressable USART (EUSART) modules for serial communication (RS-232, RS-485).

MSSP (Master Synchronous Serial Port) module supporting both SPI and I²C protocols.

CAN (Controller Area Network) 2.0B module, which is indispensable for automotive and industrial network applications.

For analog needs, the device incorporates a 10-bit Analog-to-Digital Converter (ADC) with up to 13 channels, allowing for precise monitoring of multiple analog sensors. Furthermore, it includes two analog comparators for quick, non-digital signal comparisons.

The PIC18F87J10 is also equipped with five 8-bit and one 16-bit PWM (Pulse Width Modulation) outputs, providing fine control over motors, LEDs, and other actuators. Its nanowatt technology power management framework allows for dynamic switching between different operational modes (Run, Idle, Sleep), drastically reducing power consumption in battery-sensitive applications.

Housed in an 80-pin TQFP package, the PIC18F87J10-I/PT offers a high number of I/O pins for interfacing with a wide array of external devices. Its industrial temperature range (-40°C to +85°C) ensures reliable operation in harsh environmental conditions.

ICGOOODFIND: The Microchip PIC18F87J10-I/PT is a highly integrated and powerful 8-bit microcontroller. Its exceptional combination of substantial memory, a rich set of peripherals including Ethernet MAC and CAN, and advanced power management features makes it an outstanding choice for developers tackling complex, connected, and power-conscious embedded system designs.

Keywords: Ethernet MAC, PIC18 Microcontroller, Nanowatt Technology, 128KB Flash, CAN Module.