C8051F584-IM

Overview

The C8051F584-IM is an automotive-grade, mixed-signal ISP Flash microcontroller from Silicon Labs. It features a high-speed 8051 core operating at up to 50 MHz with 96 kB of banked Flash memory and 8.25 kB of internal data RAM. The device includes a 12-bit ADC with up to 32 external inputs, three comparators, and integrated CAN 2.0 and LIN 2.1 controllers. It operates on a supply voltage of 1.8 V to 5.25 V within a temperature range of -40 °C to +125 °C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for robust industrial and vehicle applications.
• Integrated CAN 2.0 and LIN 2.1 communication controllers enabling direct network connectivity without external transceivers or crystals.
• High-performance 8051 core delivering up to 50 MIPS throughput with pipelined instruction architecture.
• Comprehensive analog subsystem featuring a 12-bit ADC, programmable comparators, and on-chip voltage reference.

Applications

• Automotive body control modules and sensor interface units
• Industrial motor control systems requiring precise timing and analog feedback
• LIN/CAN bus gateway devices in automotive networks
• Battery management systems utilizing integrated voltage monitoring

Procurement Notes

Verify component authenticity through authorized distributors as the part is marked Not Recommended for New Designs. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Ensure design files match the specific revision of the datasheet provided by Silicon Labs to avoid pinout discrepancies during integration.

Selection Notes

Select this MCU when automotive reliability and integrated serial communication are required. The 96 kB Flash size suits complex firmware applications. Verify that the 48-pin QFN package fits the PCB constraints. Consider power consumption profiles against the 15 mA typical active current if battery operation is critical.

Part Context

This component belongs to the C8051F58x/F59x family of mixed-signal MCUs. It shares architectural similarities with other members like the C8051F580 and C8051F585 but differs in memory capacity and peripheral availability. The family emphasizes high integration to reduce external component counts in embedded designs.

Replacement Considerations

Silicon Labs recommends EFM8BB52F16I-QFN20 as a replacement. Note that the substitute has different memory sizes and pin configurations, requiring schematic and firmware modifications.

FAQ

Does the C8051F584-IM require an external crystal for CAN communication?

No, the device integrates an internal 24 MHz oscillator with ±0.5% accuracy specifically designed for CAN and master LIN operation without needing an external crystal.

What is the maximum sampling rate of the ADC on this MCU?

The 12-bit ADC supports a maximum sampling rate of up to 200 ksps.