C8051F574-IM

Overview

The C8051F574-IM is an 8-bit mixed-signal microcontroller from the C8051F55x/56x/57x family, featuring a high-speed CIP-51 core with up to 50 MIPS throughput at 50 MHz. It integrates 32 kB of in-system programmable Flash and 2304 bytes of internal data RAM. The device includes a 12-bit ADC supporting up to 200 ksps and up to 32 external single-ended inputs, alongside two comparators with programmable hysteresis. Digital peripherals include CAN 2.0 and LIN 2.1 controllers without crystal requirements, enhanced UART, SMBus, SPI, four 16-bit timers, and a PCA with PWM functionality. Operating voltage ranges from 1.8 V to 5.25 V, with an industrial temperature range of –40 °C to +125 °C.

Feature Summary

• Integrated CAN 2.0 and LIN 2.1 controllers enabling network communication without external crystals
• High-performance 12-bit ADC with selectable gain and burst mode for precise analog signal acquisition
• On-chip debug circuitry providing full-speed, non-intrusive in-system debugging capabilities
• Flexible port I/O architecture with all pins being 5 V tolerant and configurable via digital crossbar

Applications

• Automotive body control modules requiring LIN or CAN bus connectivity
• Industrial sensor interfaces utilizing high-resolution analog-to-digital conversion
• Embedded systems needing robust in-circuit programming and field upgrades
• Mixed-signal control applications operating across wide voltage and temperature ranges

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm that the specific ordering suffix matches the required package type and temperature grade. Ensure compliance with RoHS directives if applicable to your manufacturing environment. Review the latest datasheet revision for any updates regarding electrical characteristics or pin definitions before finalizing procurement orders.

Selection Notes

Select this MCU when system requirements demand integrated automotive-grade serial protocols like CAN and LIN without external transceivers. Consider the C8051F574-IM for designs needing high-speed analog processing combined with flexible digital I/O mapping. Evaluate power consumption profiles against typical operating currents at desired clock frequencies. Ensure the available Flash memory size accommodates firmware growth and data storage needs within the specified sector constraints.

Part Context

This component belongs to the C8051F55x/56x/57x series of mixed-signal ISP Flash MCUs by Silicon Laboratories. These devices are built on the CIP-51 architecture, offering enhanced performance over standard 8051 cores. The family targets cost-sensitive yet feature-rich embedded applications, combining significant analog capabilities with comprehensive digital peripheral sets in compact QFN packages suitable for space-constrained designs.

Replacement Considerations

Consult official Silicon Labs documentation for confirmed substitute part numbers within the same family or compatible successors. Verify pin compatibility and peripheral availability when transitioning between variants. Check for any design-in notices indicating obsolescence status to ensure long-term supply stability.