C8051F504-IM

Overview

The C8051F504-IM is an automotive-grade, mixed-signal ISP Flash MCU from Silicon Labs. It features a high-speed 8051 core operating at up to 50 MHz with pipelined architecture. The device integrates 64 kB of in-system programmable Flash and 4352 bytes of internal data RAM (256 + 4096 XRAM). Key analog peripherals include a 12-bit ADC supporting up to 200 ksps with 32 external single-ended inputs, two comparators, and a built-in temperature sensor. Digital interfaces comprise CAN 2.0, LIN 2.1, UART, SMBus, SPI, and four general-purpose timers. It operates on a supply voltage of 1.8 V to 5.25 V and is qualified to AEC-Q100 standards for temperatures ranging from –40 °C to +125 °C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 specifications for extended temperature operation.
• Integrated CAN 2.0 and LIN 2.1 controllers enabling robust serial communication without external crystals.
• High-performance 8051 core with pipelined execution delivering up to 50 MIPS throughput.
• On-chip debug circuitry facilitating full-speed, non-intrusive in-system debugging.

Applications

• Motor control systems
• Sensor interface modules
• Parking assistance units

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and temperature grade. Confirm that the component status aligns with project lifecycle requirements, as this family may be subject to end-of-life notices. Ensure compatibility with existing development tools and verify all electrical characteristics against the latest datasheet revision prior to final design implementation.

Selection Notes

Select this component when automotive reliability and integrated CAN/LIN capabilities are required alongside mixed-signal processing. The 64 kB Flash and extensive I/O options suit complex embedded applications. Evaluate power consumption profiles against system requirements, noting typical active currents at maximum clock speeds. Consider the availability of development kits for initial prototyping and validation phases.

Part Context

This part belongs to the C8051F50x/F51x family of mixed-signal MCUs. These devices are designed for high-performance industrial and automotive applications requiring precise analog control and robust digital communication. The family shares a common architectural foundation but varies in memory size, pin count, and peripheral configurations to address diverse system constraints.

Replacement Considerations

EFM8BB52F16I-QFN20