C8051F982-GM

Overview

The C8051F982-GM is an 8-bit microcontroller from Silicon Labs, featuring a CIP-51 core operating at up to 25 MHz. It integrates 8 kB of Flash memory and 512 bytes of RAM within a 24-pin QFN package. The device supports a supply voltage range of 1.8 V to 3.6 V and includes one 10-bit ADC with 10 channels, two PWM units, one SPI channel, and one UART interface. Operating temperatures range from -40°C to +85°C.

Feature Summary

• Integrates a high-performance 8-bit CIP-51 processor with on-chip Flash memory for code storage.
• Includes analog peripherals such as a 10-bit ADC and multiple PWM generators for signal control.
• Provides standard digital communication interfaces including SPI and UART for system connectivity.

Applications

• Battery-powered sensor nodes requiring low voltage operation
• Industrial control systems utilizing PWM and ADC capabilities
• Embedded devices needing serial communication via SPI or UART

Procurement Notes

Verify the specific suffix against official Silicon Labs documentation to confirm package type and temperature grade. Confirm current production status as some variants in this series may be subject to obsolescence notices. Ensure compatibility with existing design tools and programming interfaces before procurement.

Selection Notes

Select this component when an 8-bit architecture suffices for processing tasks while requiring integrated analog conversion and PWM outputs. Consider the 24-pin QFN form factor for space-constrained PCB layouts. Validate that the 25 MHz clock speed meets real-time processing requirements for the target application.

Part Context

This part belongs to the C8051F9xx series of mixed-signal microcontrollers. These devices are designed for applications demanding high integration and low power consumption. The series typically offers a balance of processing power, memory, and peripheral richness in compact packages suitable for embedded systems.

Replacement Considerations

Check for direct pin-compatible upgrades within the C8051F9xx family with higher memory capacities. Verify if newer EFM8 series devices offer functional equivalents with improved performance metrics. Consult official substitution guides for any recommended transitions due to end-of-life statuses.