C8051F850-B-GU

Overview

The C8051F850-B-GU is an 8-bit mixed-signal microcontroller from the C8051F85x family, featuring a high-speed CIP-51 core operating at up to 25 MHz. 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 multiple communication peripherals including UART, I2C/SMBus, and SPI. Powered by a 2.2 V to 3.6 V supply, it utilizes a 24-pin QSOP package.

Feature Summary

• High-performance pipelined CIP-51 core delivering up to 25 MIPS throughput
• Integrated 12-bit Analog-to-Digital Converter supporting up to 16 input channels
• On-chip debug circuitry enabling full-speed non-intrusive system debugging
• Flexible General-Purpose I/O with crossbar-enabled pin mapping

Applications

• Battery chargers
• Electronic toys and games
• Motor control systems
• Optical communications

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. Review the official datasheet for any errata or design warnings associated with this part number before finalizing procurement plans.

Selection Notes

Select this model for applications requiring a highly integrated 8-bit MCU with mixed-signal capabilities. Ensure the design supports the specified 2.2 V to 3.6 V supply range and 24-pin QSOP footprint. Consider the -Gx commercial temperature rating (-40°C to +85°C) against environmental requirements.

Part Context

This component belongs to the C8051F85x/86x low-cost 8-bit MCU family. It shares architectural similarities with other members like the C8051F850-C-GM but differs in package type and specific manufacturing revisions. The series is characterized by its SoC integration and compatibility with standard 8051 toolchains.

Replacement Considerations

Public confirmed substitute part numbers: EFM8BB51F8G-C-TSSOP20R.