C8051F573-IMR

Overview

The C8051F573-IMR is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F55x/56x/57x family, featuring a high-speed CIP-51 core operating at up to 50 MHz. It integrates 32 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM. The device includes a 12-bit ADC with up to 200 ksps throughput, two comparators, and multiple digital peripherals including CAN 2.0, LIN 2.1, UART, SMBus, and SPI. It operates on a supply voltage of 1.8 V to 5.25 V and is housed in a 40-pin QFN package.

Feature Summary

• High-performance CIP-51 core with pipelined architecture delivering up to 50 MIPS throughput.
• Integrated 12-bit analog-to-digital converter supporting burst mode and programmable window detection.
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Automotive-grade qualification compliant with AEC-Q100 standards for extended temperature operation.

Applications

• Automotive embedded control systems
• Industrial process monitoring and control
• Smart sensor interfaces requiring high-speed ADC conversion
• LIN/CAN bus network nodes

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 environmental compliance certifications are current. Validate package marking against datasheet specifications before integration.

Selection Notes

Select this model when automotive qualification and high integration are required. The 40-pin QFN package supports extensive I/O and peripheral access. Consider the 32 kB Flash size for firmware complexity. Evaluate power consumption profiles against system battery life requirements. Verify clock source accuracy needs for CAN/LIN master operations.

Part Context

This component belongs to the C8051F55x/56x/57x mixed-signal MCU family. It shares architectural similarities with other members like the C8051F571 but differs in pin count and peripheral availability. The family emphasizes single-chip solutions by integrating analog and digital functions. Development tools such as the DEBUGADAPTER1-USB are compatible with this series.

Replacement Considerations

Public confirmed substitute part numbers: None identified in verified sources. The datasheet indicates this family is Not Recommended for New Designs. Consult Silicon Labs for current alternative recommendations.