C8051F982-C-GM

Overview

The C8051F982-C-GM is an 8-bit microcontroller from the Silicon Labs C8051F9xx series, featuring a CIP-51 core operating at up to 25 MHz. It integrates 4 KB of Flash memory and 512 bytes of RAM within a compact 20-QFN (3x3) package. The device supports a supply voltage range of 1.8V to 3.6V and includes a 10-bit ADC. Connectivity options include SMBus, SPI, and UART/USART interfaces.

Feature Summary

• Integrates capacitive sensing capabilities for touch interface applications
• Features ultra-low power consumption modes for battery-operated devices
• Includes on-chip DC-DC converter for efficient voltage regulation

Applications

• Battery-powered consumer electronics
• Capacitive touch sensor controllers
• Portable medical devices
• Smart home automation nodes

Procurement Notes

Verify component authenticity through authorized distributors due to potential counterfeit risks. Confirm package marking and datasheet revision compatibility with existing designs. Check for end-of-life status or alternative recommendations from Silicon Labs before finalizing procurement plans.

Selection Notes

Select this MCU for applications requiring low pin count and integrated capacitive sensing. Ensure design accommodates the 20-QFN exposed pad thermal requirements. Verify that 4 KB Flash meets code storage needs and that 10-bit ADC resolution suffices for signal processing tasks.

Part Context

Part of the C8051F9xx family, designed for cost-sensitive embedded systems. Combines standard 8051 compatibility with advanced analog peripherals. Targets markets needing small form factors and energy efficiency without sacrificing programmability.

Replacement Considerations

Consider C8051F989-GM for similar functionality in a 24-QFN package with increased I/O count. Evaluate C8051F982-GM if temperature grade variations are acceptable. Verify pinout compatibility when substituting within the same series.