C8051F587-IQR

Overview

The C8051F587-IQR is an 8-bit mixed-signal ISP Flash MCU from the C8051F58x family, manufactured by Silicon Labs. It features a high-speed CIP-51 core operating at up to 50 MHz with pipelined architecture. The device integrates 96 kB of banked Flash memory and 8448 bytes of internal data RAM. Key peripherals include a 12-bit ADC supporting up to 200 ksps, three comparators, CAN 2.0 and LIN 2.1 controllers, two UARTs, SMBus, and enhanced SPI. It operates on a supply voltage of 1.8 V to 5.25 V and is available in a 32-pin QFP/QFN package.

Feature Summary

• Integrates a high-speed 8051-compatible CIP-51 microcontroller core with pipelined instruction execution for efficient processing throughput.
• Includes a comprehensive analog subsystem featuring a 12-bit ADC, programmable comparators, and a built-in temperature sensor.
• Supports robust industrial communication protocols through integrated CAN 2.0 and LIN 2.1 controllers without requiring external crystals.
• Provides flexible I/O configuration via a priority crossbar decoder and supports multiple serial interfaces including UART, SMBus, and SPI.

Applications

• Industrial control systems requiring CAN or LIN bus connectivity
• Automotive embedded applications within specified temperature ranges
• Data acquisition systems utilizing high-resolution analog-to-digital conversion
• Battery-powered devices leveraging low-power stop modes

Procurement Notes

Verify component authenticity upon receipt by inspecting markings against official datasheet specifications. Confirm package type matches the required 32-pin form factor. Check revision levels to ensure compatibility with existing firmware development tools. Validate electrical characteristics against application requirements before integration into final designs.

Selection Notes

Select this model when specific pin counts and peripheral sets align with system constraints. Compare memory sizes across the F58x family to ensure adequate storage for code and data. Evaluate power consumption profiles against battery life requirements. Consider thermal performance within the -40°C to +125°C range for harsh environments.

Part Context

This component belongs to the C8051F58x/F59x mixed-signal ISP Flash MCU family. It shares architectural similarities with other members like the C8051F580 but differs in memory capacity and package options. The family emphasizes high integration and ease of use for developers familiar with standard 8051 architectures while offering enhanced performance through the CIP-51 core.

Replacement Considerations

Consult official documentation for direct substitutes within the C8051F58x series. Verify pinout compatibility and peripheral availability when considering alternative packages. Review errata sheets for known issues affecting specific revisions. Ensure software migration strategies account for any differences in register configurations or interrupt handling mechanisms.