C8051F566-IM

Overview

The C8051F566-IM is an automotive-grade mixed-signal ISP Flash MCU from the C8051F56x family, manufactured by Silicon Labs. It features a high-speed 8051 core with up to 50 MIPS throughput at a 50 MHz clock frequency. The device integrates 32 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM. Key analog peripherals include a 12-bit ADC supporting up to 200 ksps sampling rate and two comparators. Digital interfaces encompass CAN 2.0, LIN 2.1, UART, SMBus, and SPI. It operates within a supply voltage range of 1.8 V to 5.25 V and supports a temperature range of –40 °C to +125 °C.

Feature Summary

• Automotive qualified compliance with AEC-Q100 standards for robust operation in demanding environments
• Integrated CAN 2.0 and LIN 2.1 controllers enabling direct network connectivity without external transceivers or crystals
• High-performance pipelined CIP-51 core executing 70% of instructions in one or two system clocks
• On-chip debug circuitry facilitating full-speed, non-intrusive in-system debugging without additional emulation hardware

Applications

• Automotive body control modules requiring LIN and CAN bus communication
• Industrial sensors utilizing integrated 12-bit ADC and temperature sensing capabilities
• Embedded systems needing in-circuit reprogrammable Flash for field firmware upgrades
• Voltage monitoring applications leveraging built-in VDD monitor and power-on reset features

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity upon receipt, as QFN packages are sensitive to moisture and physical damage. Ensure design compatibility with the specified 1.8 V to 5.25 V operating range. Check for any specific errata related to silicon revisions before finalizing production integration.

Selection Notes

Select this model when automotive qualification and mixed-signal integration are required in a compact form factor. Consider pin-for-pin compatibility with C8051F55x/57x series if migrating existing designs. Evaluate memory requirements against the 32 kB Flash and 2304 bytes RAM limits. Ensure interface needs align with available CAN, LIN, and serial ports.

Part Context

This microcontroller belongs to the C8051F55x/56x/57x family of mixed-signal ISPs Flash MCUs. These devices are designed for applications demanding high performance and extensive peripheral integration within small packages. The family shares architectural similarities but varies in memory size and I/O count. The C8051F56x variant specifically targets automotive and industrial sectors with extended temperature ratings.

Replacement Considerations

Public confirmed substitute part numbers: C8051F565-IMR.