C8051F122-GQR

Overview

The C8051F122-GQR is an 8-bit mixed-signal microcontroller from the C8051F12x/13x family, manufactured by Silicon Labs. It features a pipelined CIP-51 core operating at up to 100 MIPS with an internal 24.5 MHz oscillator and PLL. The device includes 128 KB of in-system programmable Flash memory and 8448 bytes of internal RAM. Analog peripherals consist of a 10-bit SAR ADC with up to 100 ksps throughput and two 12-bit DACs. Digital interfaces include hardware SMBus, SPI, and dual UARTs. It operates on 2.7V–3.6V (50 MIPS) or 3.0V–3.6V (100 MIPS) power supplies within a -40°C to +85°C temperature range.

Feature Summary

• High-speed CIP-51 core with 100 MIPS throughput and 2-cycle MAC engine
• Integrated 10-bit ADC with programmable gain amplifier and windowed interrupt generator
• Dual 12-bit DACs capable of timer-synchronized jitter-free waveform generation
• On-chip JTAG debug circuitry supporting full-speed non-intrusive in-circuit debugging

Applications

• Industrial control systems requiring high-speed data acquisition
• Power electronics applications utilizing precise analog signal processing
• Communication equipment needing concurrent serial interface support

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity upon receipt. Check for RoHS compliance markings. Ensure storage conditions meet humidity sensitivity requirements. Validate part number against official Silicon Labs documentation before integration.

Selection Notes

Select this component for designs requiring high-performance 8-bit processing with integrated analog capabilities. Consider the 100-pin TQFP package for maximum I/O availability. Evaluate power consumption profiles across different clock speeds. Verify compatibility with existing development tools and debug interfaces.

Part Context

This microcontroller belongs to the C8051F12x/13x series, which are fully integrated mixed-signal system-on-chip solutions. The series combines a fast 8051-compatible processor with extensive on-chip memory and peripheral resources. It targets applications demanding high throughput and precise analog control in a compact form factor.

Replacement Considerations

C8051F120-GQR, C8051F121-GQR, C8051F123-GQR, C8051F124-GQR, C8051F125-GQR, C8051F126-GQR, C8051F127-GQR.