C8051F983-GM

Overview

The C8051F983-GM is a high-performance mixed-signal System-on-Chip microcontroller from Silicon Labs, featuring a 25 MHz 8051-compatible CPU core. It integrates 256 KB of in-system programmable Flash memory and 16 KB of RAM. Key peripherals include a 12-bit ADC with 16 channels, a 12-bit DAC, multiple timers, and communication interfaces such as SPI, I2C, and UART. The device operates within a voltage range of 2.7 V to 3.6 V and supports industrial temperature ranges.

Feature Summary

• Integrates a high-speed 8051-compatible processor core with extensive on-chip analog and digital peripherals for system-level integration.
• Includes a versatile mixed-signal interface block with multi-channel analog-to-digital conversion and digital-to-analog conversion capabilities.
• Supports flexible communication protocols through dedicated hardware modules for serial data exchange and network connectivity.

Applications

• Industrial process control systems requiring precise analog signal acquisition
• Smart sensor nodes with integrated data conversion and processing
• Battery-powered devices due to low-power operational modes

Procurement Notes

Verify the specific suffix (GM) indicates the correct package type and temperature grade against the official datasheet. Confirm that the component meets RoHS compliance requirements if applicable to your manufacturing standards. Ensure compatibility with your programming interface before procurement.

Selection Notes

Select this model when a complete solution combining an 8051 core with significant onboard Flash, RAM, and mixed-signal peripherals is required. Consider the operating voltage constraints and available GPIO count relative to your design needs. Evaluate the pinout compatibility if replacing existing designs.

Part Context

This component belongs to the C8051F9xx series of mixed-signal microcontrollers designed for applications demanding high integration. It shares architectural similarities with other members of the family but offers specific memory sizes and peripheral configurations tailored for cost-sensitive yet feature-rich embedded solutions.

Replacement Considerations

Direct substitutes may include other C8051F9xx variants with different memory capacities or package options. Verify pin-to-pin compatibility and software register mapping before substitution to ensure seamless integration without hardware redesign.

FAQ

What is the maximum clock speed of the C8051F983-GM?

The internal oscillator can support frequencies up to 25 MHz.

Does this MCU support in-circuit debugging?

Yes, it includes an on-chip debug interface compatible with Silicon Labs' development tools.