C8051F864-C-GSR

Overview

The C8051F864-C-GSR is an 8-bit microcontroller from the Silicon Labs C8051F85x/86x family, featuring a High-Speed CIP-51 core with up to 25 MIPS throughput at a 25 MHz clock. 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 input channels, two analog comparators, and communication peripherals such as UART, I2C/SMBus, and SPI. Operating within a supply voltage range of 2.2 V to 3.6 V, it supports industrial temperature ranges and offers on-chip debug capabilities.

Feature Summary

• High-speed pipelined CIP-51 core compatible with standard 8051 instruction sets
• Integrated 12-bit Analog-to-Digital Converter with multiple input channels
• On-chip debug circuitry for non-intrusive system debugging without external emulators
• Low-power internal oscillators including a calibrated high-frequency and low-frequency source

Applications

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

Procurement Notes

Verify the specific suffix 'GSR' against the manufacturer's current documentation to confirm package type and tape-and-reel specifications. Confirm that the component meets the required industrial or commercial temperature grades as defined by the ordering code. Ensure compatibility with existing PCB footprints for the designated package option before finalizing procurement orders.

Selection Notes

Select this model when a cost-effective 8-bit solution with integrated analog peripherals is required. The C8051F864 variant provides sufficient Flash and RAM for moderate complexity applications. Consider the available package options and temperature ratings to match environmental constraints. Evaluate the need for specific communication interfaces like SMBus or SPI during the design phase to ensure peripheral availability.

Part Context

This component belongs to the C8051F85x/86x series of low-cost 8-bit MCUs. The family is characterized by mixed-signal integration, combining digital processing with analog functions like ADCs and comparators. These devices are designed for standalone system-on-chip solutions, reducing external component count and simplifying board layout for various consumer and industrial applications.

Replacement Considerations

Consult the official datasheet for direct pin-compatible substitutes within the C8051F85x/86x family. Verify electrical characteristics and memory sizes when selecting alternative part numbers. Ensure that any replacement maintains the required operating temperature range and package dimensions for your specific application.