C8051F850-C-IU

Overview

The C8051F850-C-IU is an 8-bit microcontroller from the C8051F85x family, featuring a high-speed CIP-51 core with up to 25 MHz throughput. It integrates 8 kB of in-system programmable Flash memory and 512 Bytes of RAM. The device includes a 12-bit ADC with up to 16 channels, two analog comparators, and communication peripherals such as UART, SPI, and I2C/SMBus. It operates within a supply voltage range of 2.2 V to 3.6 V and supports an industrial temperature range of -40 °C to +125 °C. The component is housed in a 24-pin QSOP package.

Feature Summary

• High-speed CIP-51 core with pipelined architecture for efficient instruction execution
• Integrated on-chip debug circuitry enabling full-speed non-intrusive system debugging
• Mixed-signal capabilities including a 12-bit ADC and low-current analog comparators
• Versatile digital peripherals supporting multiple serial communication protocols

Applications

• Industrial control systems requiring robust I/O and communication interfaces
• Sensor signal processing applications utilizing integrated analog peripherals
• Battery-powered devices benefiting from low-power internal oscillators
• Motor control implementations using PCA PWM capabilities

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm the specific ordering suffix matches the required package and temperature grade. Check for current availability status as this model may be subject to lifecycle changes. Ensure compatibility with existing design tools and programming adapters before procurement.

Selection Notes

Select this model when a cost-effective 8-bit solution with mixed-signal integration is required. Consider the C8051F850-C-IU for designs needing extensive I/O flexibility and on-chip debug features. Evaluate power consumption requirements against the specified operating modes. Compare pin counts and peripheral sets with alternative family members if space or feature constraints exist.

Part Context

This component belongs to the C8051F85x/86x low-cost 8-bit MCU family by Silicon Labs. The series is characterized by its fully integrated mixed-signal system-on-chip architecture. It utilizes the CIP-51 core, which offers performance significantly higher than traditional 8051 architectures while maintaining software compatibility. The family targets applications demanding high integration and low system cost.

Replacement Considerations

Consult official Silicon Labs documentation for qualified substitute part numbers within the C8051F85x family. Verify pin-to-pin compatibility and peripheral equivalence before substitution. Review errata sheets for any revision-specific behavioral differences between original and replacement units.