Microchip PIC18F67J50T-I/PT: A Comprehensive Technical Overview

The Microchip PIC18F67J50T-I/PT represents a high-performance, 8-bit microcontroller unit (MCU) engineered for complex embedded applications requiring robust connectivity, particularly integrated USB 2.0 functionality. As a member of the expansive PIC18F family, this device combines processing power with a rich set of peripherals, making it a versatile solution for industrial, automotive, and consumer electronics.

Housed in a 64-pin TQFP package, this MCU is designed for space-efficient PCB designs while providing ample I/O capabilities. At its core lies an enhanced PIC18 architecture capable of operating at speeds up to 48 MHz, delivering a performance of 12 MIPS. A key feature is its integrated Full-Speed USB 2.0 transceiver, which allows the device to act as a USB communication device without external components, simplifying designs for interfaces like data loggers, converters, or human interface devices (HID).

The device boasts a substantial 128 KB of self-programmable Flash memory and 3,808 bytes of RAM, providing ample space for application code and data handling. For data storage, it includes 1,024 bytes of EEPROM, which is ideal for storing configuration parameters without volatility.

A standout feature is its Ethernet connectivity support. While not including a physical layer (PHY) on-chip, its built-in IEEE 802.3-compliant Ethernet controller simplifies the implementation of networked applications when paired with an external PHY. This makes it suitable for network-enabled embedded systems.

The peripheral set is exceptionally rich, including:

Two Enhanced USART modules with support for LIN bus.

A Master Synchronous Serial Port (MSSP) that can be configured as either SPI or I²C.

A 10-bit Analog-to-Digital Converter (ADC) with up to 13 channels.

Three 16-bit timers/counters and two capture/compare/PWM (CCP) modules.

Hardware-based enhanced CCP (ECCP) for advanced motor control and power conversion applications.

The nanoWatt XLP technology is a critical advancement, enabling extremely low power consumption in active and sleep modes. This technology is paramount for battery-powered and energy-harvesting applications where extended operation is essential.

ICGOODFIND: The PIC18F67J50T-I/PT is a feature-dense 8-bit MCU that stands out for its unique combination of integrated USB and Ethernet controllers, substantial memory, and ultra-low power management. It is an optimal choice for developers designing connected, power-sensitive embedded systems that require reliable communication protocols.

Keywords: USB 2.0 Microcontroller, Integrated Ethernet Controller, nanoWatt XLP Technology, 8-bit MCU, Enhanced Peripheral Set.