C8051F586-IMR

Overview

The C8051F586-IMR is an 8-bit mixed-signal ISP Flash MCU from the Silicon Labs C8051F58x/F59x family, housed in a 32-pin QFN package. It features a high-speed 8051 core operating at up to 50 MHz with pipelined architecture. The device includes 96 kB of banked Flash memory and 8448 bytes of internal data RAM. Analog peripherals consist of a 12-bit ADC supporting up to 200 ksps and three comparators. Digital interfaces include CAN 2.0, LIN 2.1, two UARTs, SMBus, and SPI. It operates on a supply voltage of 1.8 V to 5.25 V and supports an industrial temperature range of -40°C to +125°C.

Feature Summary

• High-performance 8051 core with pipelined instruction execution for up to 50 MIPS throughput
• Integrated 12-bit ADC with selectable gain and programmable window detector capabilities
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• Automotive qualified design supporting operation across extended industrial temperature ranges

Applications

• Industrial control systems requiring robust communication protocols
• Automotive embedded applications meeting specific temperature standards
• Smart metering devices utilizing precise analog signal acquisition
• Motor control implementations leveraging hardware PWM and capture modules

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity upon receipt as the unit utilizes a leadless QFN form factor. Ensure compatibility with existing development toolchains, specifically Silicon Labs 8-bit Microcontroller Studio. Review the official errata sheet for any known silicon revisions or operational constraints prior to finalizing production integration plans.

Selection Notes

Evaluate system requirements against the available memory configurations within the C8051F58x series. Consider the pin count and peripheral availability inherent to the 32-pin QFN footprint. Assess power consumption profiles across active and stop modes relative to battery life expectations. Verify that the internal oscillator accuracy meets the timing specifications required for CAN and LIN bus synchronization.

Part Context

This microcontroller belongs to the C8051F58x/F59x family, which represents a line of fully integrated mixed-signal System-on-Chip solutions. These devices combine a standard 8051 processor with extensive analog and digital peripherals on a single die. The family emphasizes ease of development through comprehensive on-chip debug capabilities and in-system programmability via ISP.

Replacement Considerations

Consult the manufacturer's ordering guide for direct functional equivalents within the same product family. Cross-reference pinouts and peripheral sets when evaluating alternative packages such as QFP variants. Verify software compatibility if migrating between different memory sizes or package types within the supported series.