C8051F124-GQ

Overview

The C8051F124-GQ is a mixed-signal microcontroller from Silicon Labs, featuring an 8-bit CIP-51 core with pipelined architecture. It provides up to 100 MIPS throughput using an on-chip PLL and includes a 2-cycle 16x16 MAC engine. The device integrates 128 kB of in-system programmable Flash memory and 8448 bytes of internal data RAM. Analog peripherals include a 12-bit SAR ADC with programmable gain amplifier and an 8-bit SAR ADC. Digital interfaces consist of hardware SMBus, SPI, and two UARTs. It operates within a voltage range of 2.7–3.6 V at 50 MIPS or 3.0–3.6 V at 100 MIPS.

Feature Summary

• High-speed pipelined 8051-compatible core with integrated multiply-and-accumulate engine
• On-chip JTAG debug circuitry supporting non-intrusive in-circuit debugging
• Integrated analog peripherals including dual ADCs and DACs with programmable amplifiers
• Hardware serial communication interfaces available for concurrent operation

Applications

• Industrial control systems
• Power electronics applications
• Communication equipment

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status as availability varies by manufacturing batch. Check datasheet revision history for any pinout or electrical characteristic updates prior to finalizing procurement specifications.

Selection Notes

Evaluate the specific memory requirements against the 128 kB Flash capacity. Ensure the operating environment remains within the specified industrial temperature range. Verify that the required I/O count fits within the 100-pin TQFP package constraints. Consider power consumption profiles during active and sleep modes.

Part Context

This component belongs to the C8051F12x/13x family of high-speed mixed-signal microcontrollers. These devices are designed for applications requiring significant analog processing alongside digital control logic. The series emphasizes high integration levels to reduce external component counts.

Replacement Considerations

The manufacturer lists this family as Not Recommended for New Designs. Review official documentation for current recommended alternatives within the Silicon Labs portfolio before initiating new designs.