C8051F852-C-GUR

Overview

The C8051F852-C-GUR is an 8-bit microcontroller from the Silicon Labs C8051F85x family, featuring a high-speed CIP-51 core with up to 25 MIPS throughput at a 25 MHz clock. It integrates 4 kB of in-system programmable Flash memory and 256 bytes of RAM. The device includes a 12-bit Analog-to-Digital Converter with up to 16 input channels, two analog comparators, and multiple communication peripherals including UART, I2C/SMBus, and SPI. It operates within a supply voltage range of 2.2 V to 3.6 V and is available in a 24-pin QSOP package.

Feature Summary

• High-performance CIP-51 core with pipelined architecture supporting standard 8051 instruction sets
• Integrated 12-bit ADC with up to 16 channels and internal or external reference options
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• Flexible I/O configuration via digital crossbar with 5 V-tolerant pins

Applications

• Industrial control systems requiring robust 8-bit processing
• Battery-powered devices utilizing low-power oscillators and sleep modes
• Data acquisition applications leveraging the high-resolution ADC
• Embedded systems needing reliable serial communication interfaces

Procurement Notes

Verify component authenticity through authorized distributors as this part may be subject to obsolescence notices. Confirm package integrity and moisture sensitivity levels prior to assembly. Ensure compatibility with existing design constraints regarding operating temperature ranges and supply voltage specifications. Review latest datasheet revisions for any errata or functional updates before finalizing procurement plans.

Selection Notes

Select this MCU for designs prioritizing cost-effective 8-bit performance with integrated analog capabilities. Consider the 24-pin QSOP package for prototyping or space-constrained layouts. Evaluate power consumption requirements against the specified idle and stop mode currents. Ensure development tools support the CIP-51 architecture for efficient programming and debugging workflows.

Part Context

This component belongs to the C8051F85x/86x family of low-cost 8-bit MCUs designed by Silicon Laboratories. The series emphasizes high integration with mixed-signal capabilities on a single chip. It targets applications demanding reliable embedded control with minimal external components. The family shares common architectural features while varying in memory size and peripheral counts.

Replacement Considerations

Consult official Silicon Labs documentation for current lifecycle status. Verify pinout compatibility if substituting with other C8051F variants. Check for equivalent Flash/RAM configurations and peripheral availability in alternative models.