C8051F124

Overview

The C8051F124R is an 8-bit mixed-signal microcontroller from Silicon Labs, part of the C8051F12x family. It features a high-speed CIP-51 core operating at 50 MHz with 128 KB of in-system programmable Flash memory and 8.25 KB of RAM. The device includes 64 digital I/O lines in a 100-TQFP package. Analog peripherals consist of an 8-channel 12-bit ADC (100 ksps), an 8-channel 8-bit ADC (500 ksps), two 12-bit DACs, analog comparators, and a temperature sensor. Digital interfaces include SPI, SMBus/I2C, and dual UARTs.

Feature Summary

• High-performance pipelined CIP-51 core executing 70% of instructions in one or two system clock cycles
• Integrated on-chip JTAG debug circuitry supporting full-speed non-intrusive in-circuit debugging
• Mixed-signal architecture combining multiple analog-to-digital converters, digital-to-analog converters, and comparators
• Hardware-implemented serial communication interfaces including SPI, SMBus, and dual UARTs

Applications

• Industrial control systems requiring mixed-signal processing
• Data acquisition systems utilizing high-speed ADCs
• Communication equipment interfacing via serial protocols
• Power electronics monitoring applications

Procurement Notes

Verify component status as this specific part number may be discontinued or not recommended for new designs. Confirm RoHS compliance requirements against current manufacturing data sheets. Ensure compatibility with existing PCB footprints for the 100-TQFP package. Validate voltage supply ranges and operating temperature specifications for the target environment before finalizing procurement decisions.

Selection Notes

Select this model when a high-speed 8-bit MCU with extensive on-chip analog peripherals is required. The C8051F124 offers a balance of processing power and integrated signal conditioning capabilities. Consider the 100-pin package size constraints and the availability of development tools such as Keil C51 compilers. Evaluate if the specific combination of ADC resolutions and DAC channels meets application precision needs compared to other family members.

Part Context

This component belongs to the C8051F12x series of 8051-compatible microcontrollers designed for high-speed mixed-signal applications. The family shares a common CIP-51 core architecture but varies in memory size and peripheral configurations. The C8051F124 represents a variant within this group, distinguished by its specific memory allocation and analog interface set, targeting complex embedded control tasks.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Silicon Labs resources for end-of-life notifications or direct replacements within the C8051F13x series if pin-compatible alternatives are required.