C8051F854-C-GUR

Overview

The C8051F854-C-GUR is an 8-bit microcontroller from the Silicon Labs C8051F85x family, featuring a CIP-51 core operating at up to 25 MHz. It integrates 4 kB of in-system programmable Flash memory and 512 bytes of RAM. The device includes a 12-bit ADC with up to 16 input channels, two analog comparators, four 16-bit timers, and a Programmable Counter Array. Communication interfaces include UART, I2C/SMBus, and SPI. It operates on a 2.2 V to 3.6 V supply within the -40°C to +85°C temperature range.

Feature Summary

• High-speed CIP-51 core with pipelined architecture for efficient instruction execution
• Integrated 12-bit Analog-to-Digital Converter supporting multiple input channels
• On-chip debug circuitry enabling non-intrusive system debugging without external emulators
• Flexible General-Purpose I/O pins with 5 V tolerance and crossbar routing

Applications

• Industrial control systems requiring mixed-signal processing
• Sensor data acquisition and monitoring applications
• Battery-powered devices utilizing low-power operational modes
• Embedded systems needing robust communication interfaces like UART and SPI

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required package and temperature grade. Check for current lifecycle status as this series may be subject to discontinuation notices. Ensure compatibility with existing design tools and programming interfaces before finalizing procurement decisions.

Selection Notes

Select this model when a cost-effective 8-bit solution with integrated analog peripherals is required. Consider the 4 kB Flash limit for application code size. Evaluate the 16-channel ADC capability against sensor interface needs. Verify that the 24-pin QSOP package fits the board layout constraints. Compare power consumption specifications across different clock frequencies for efficiency requirements.

Part Context

This component belongs to the C8051F85x/86x family of low-cost 8-bit MCUs. It shares architectural similarities with other members like the C8051F850 and C8051F851, differing primarily in memory size and peripheral configurations. The family emphasizes high integration and ease of development through unified toolchains and extensive documentation support from Silicon Labs.

Replacement Considerations

Consult official Silicon Labs documentation for qualified replacement parts. Cross-reference pinouts and electrical characteristics carefully. Verify software compatibility if migrating between variants within the same family.