C8051F511-IM

Overview

The C8051F511-IM is an 8-bit mixed-signal microcontroller from the C8051F51x family, manufactured by Silicon Labs. It features a high-speed pipelined 8051 core operating at up to 50 MHz (50 MIPS). The device includes 32 kB of in-system programmable Flash memory and 4352 bytes of internal data RAM. Key peripherals include a 12-bit ADC with up to 200 ksps sampling rate, CAN 2.0 and LIN 2.1 controllers, two comparators, and multiple serial interfaces. It operates on a supply voltage of 1.8 V to 5.25 V within a temperature range of –40 °C to +125 °C and is housed in a 40-pin QFN package.

Feature Summary

• Integrated CAN 2.0 and LIN 2.1 controllers for automotive communication without requiring external crystals
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging via the C2 interface
• High-speed 8051 core with pipelined architecture executing most instructions in one or two system clocks
• Automotive qualified design compliant with AEC-Q100 standards for extended temperature operation

Applications

• Automotive embedded systems requiring CAN/LIN communication
• Industrial control applications needing mixed-signal processing
• In-circuit programming and firmware upgrade scenarios
• Space-constrained designs utilizing small form factor packages

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific revision level matches project requirements. Check for end-of-life status as indicated in official documentation. Ensure compatibility with existing development tools and debug adapters. Review any product change notices affecting assembly or labeling prior to procurement.

Selection Notes

Evaluate memory requirements against the available 32 kB Flash and 4352 bytes RAM. Consider pin count limitations inherent to the 40-pin QFN package. Assess peripheral needs such as ADC resolution and serial interface availability. Verify power supply constraints align with the 1.8 V to 5.25 V operating range. Confirm thermal management capabilities for the specified temperature range.

Part Context

This component belongs to the C8051F50x/F51x mixed-signal ISP Flash MCU family. It shares pin-for-pin compatibility with other devices in the C8051F50x, C8051F51x, and C8051F58x/59x series. The family is characterized by high integration levels and support for in-system programming. Development typically utilizes Silicon Labs' proprietary C2 debug interface.

Replacement Considerations

Consult official datasheets for pin-compatible alternatives within the C8051F50x/F51x family. Verify functional equivalence regarding memory size and peripheral sets. Check for updated revisions or newer generations if the current part is obsolete. Ensure substitute components meet the same automotive qualification and temperature ratings.