C8051F127-GQR

Overview

The C8051F127-GQR is an 8-bit microcontroller from the Silicon Labs C8051F12x series, featuring a pipelined CIP-51 core with 50 MIPS throughput. It includes 128 kB of in-system programmable Flash memory and 8448 bytes of internal data RAM. The device integrates a 10-bit SAR ADC with up to 8 external inputs and a programmable amplifier. Digital peripherals consist of hardware SMBus, SPI, two UARTs, five general-purpose 16-bit timers, and a Programmable Counter Array. It operates on a 2.7 V to 3.6 V supply within a -40 °C to +85 °C temperature range.

Feature Summary

• Features a high-speed pipelined CIP-51 core executing 70% of instructions in one or two system clocks.
• Integrates a 10-bit SAR ADC with programmable gain amplifiers and a built-in temperature sensor.
• Includes on-chip JTAG debug circuitry for full-speed, non-intrusive in-circuit debugging.
• Provides concurrent hardware support for SMBus, SPI, and dual UART serial communication interfaces.

Applications

• Industrial control systems requiring mixed-signal processing
• Power electronics monitoring and management
• Communication equipment utilizing multiple serial protocols

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity upon receipt as moisture sensitivity requires proper handling. Validate datasheet revisions against manufacturing dates to ensure compatibility with existing firmware and hardware designs.

Selection Notes

Select this component for applications needing high-performance 8-bit processing with integrated analog capabilities. Ensure design requirements align with the 50 MHz clock speed and available I/O count. Consider the Not Recommended for New Designs status when planning long-term product lifecycles.

Part Context

This part belongs to the C8051F12x family of high-speed mixed-signal System-on-Chip microcontrollers. It utilizes the CIP-51 architecture to deliver performance comparable to faster cores while maintaining standard 8051 compatibility. The GQR suffix indicates a tape-and-reel packaging format suitable for automated surface-mount assembly processes.

Replacement Considerations

Public confirmed substitute part numbers: None identified.