C8051F983-C-GM

Overview

The C8051F983-C-GM is an 8-bit microcontroller from Silicon Labs, part of the C8051F9xx series. It features a CIP-51 8051 core operating at a maximum clock frequency of 25 MHz. The device includes 4 kB of Flash program memory and 512 bytes of RAM. It is housed in a 24-QFN (4x4 mm) package with exposed pad for surface mount installation. The unit supports a supply voltage range of 1.8 V to 3.6 V and operates within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates a high-performance 8051 core with on-chip analog peripherals including ADCs and DACs.
• Provides multiple communication interfaces such as SPI, UART, and SMBus for system connectivity.
• Includes built-in power management features like Power-On Reset and Watchdog Timer.

Applications

• Battery-powered portable devices
• Industrial control systems
• Consumer electronics

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific lot traceability requirements. Ensure storage conditions meet moisture sensitivity level standards to prevent damage prior to assembly. Review official datasheets for any recent engineering change notices affecting pinout or electrical characteristics.

Selection Notes

Select this model when a compact 8-bit MCU with mixed-signal capabilities is required. Consider the 25 MHz speed and integrated peripherals for cost-sensitive applications. Evaluate the QFN24 package size against board space constraints. Compare against other C8051F9xx variants if different memory sizes or I/O counts are needed.

Part Context

This component belongs to the Silicon Labs C8051F9xx family of highly integrated mixed-signal microcontrollers. These devices are designed to reduce system cost by integrating common analog and digital peripherals onto a single chip. The family shares a common instruction set architecture while varying in memory capacity and peripheral sets.

Replacement Considerations

Check for C8051F98x series equivalents with matching memory and package configurations. Verify pin compatibility before substituting with other 8051-based MCUs from different manufacturers.