C8051F853-C-GM

Overview

The C8051F853-C-GM is an 8-bit microcontroller from the Silicon Labs 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 within a 20-pin QFN package. The device includes a 12-bit ADC with up to 16 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 supply voltage of 2.2 V to 3.6 V and is qualified to AEC-Q100 standards for automotive applications.

Feature Summary

• High-performance CIP-51 core with pipelined architecture supporting standard 8051 instructions
• Integrated 12-bit Analog-to-Digital Converter with multiple input channels and configurable reference options
• On-chip debug circuitry enabling full-speed, non-intrusive system debugging without external emulators
• AEC-Q100 qualification ensuring reliability for automotive electronic environments

Applications

• Automotive body control modules
• Industrial sensor interface nodes
• Battery-powered instrumentation systems

Procurement Notes

Verify the specific suffix 'GM' corresponds to the commercial temperature range (-40°C to +85°C) and QFN-20 package configuration. Confirm that the component status aligns with current manufacturer recommendations, as this series may be designated as Not Recommended for New Designs. Ensure compatibility with existing PCB footprints and validate supply voltage requirements against the target application's power rails before finalizing procurement.

Selection Notes

Select this component when a robust 8-bit MCU with integrated analog peripherals and automotive qualification is required. The C8051F853 variant provides sufficient Flash and RAM for moderate complexity logic while offering extensive I/O flexibility through its crossbar architecture. Consider the available communication protocols and timer configurations to ensure they meet the specific data acquisition and control loop requirements of the design.

Part Context

This part belongs to the C8051F85x/86x low-cost 8-bit MCU family. These devices are designed to provide a balance of processing power, peripheral integration, and cost-effectiveness. The family shares a common instruction set and development environment, allowing for scalable design transitions across different memory and pin-count variants within the same ecosystem.

Replacement Considerations

Direct substitutes within the same package and pinout include other members of the C8051F85x series, such as the C8051F850 or C8051F851, provided their memory sizes and peripheral sets match the application needs. Verify that any replacement maintains the AEC-Q100 qualification if automotive compliance is mandatory.