C8051F550-IMR

Overview

The C8051F550-IMR is an 8-bit mixed-signal ISP Flash microcontroller from Silicon Labs, operating at up to 50 MIPS with a 50 MHz clock. It features 32 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM (256 + 2048 XRAM). The device includes a 12-bit ADC supporting up to 200 ksps, two comparators, and comprehensive 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 24-pin QFN package.

Feature Summary

• Integrated high-speed 8051 core with pipelined architecture for efficient instruction execution.
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Mixed-signal capabilities featuring a 12-bit ADC with selectable gain and built-in temperature sensor.
• Automotive qualified design compliant with AEC-Q100 standards for extended temperature ranges.

Applications

• Industrial control systems requiring robust communication interfaces
• Automotive embedded applications meeting AEC-Q100 qualification
• Sensor interface modules utilizing integrated analog peripherals

Procurement Notes

Verify the component status as Not Recommended for New Designs before procurement planning. Confirm that the specific ordering suffix matches the required package type and ensure compatibility with existing designs, as alternative solutions may be necessary for new product development cycles.

Selection Notes

Select this component when a fully integrated mixed-signal MCU with automotive qualification is required. It is suitable for applications needing simultaneous analog signal processing and digital communication via CAN or LIN. Consider the limited pin count and memory size relative to system requirements.

Part Context

This part belongs to the C8051F55x/56x/57x family of mixed-signal ISPs Flash MCUs. These devices are designed for high-performance 8-bit applications, offering extensive peripheral integration within compact packages. The family supports both industrial and automotive environments through standardized qualification processes.

Replacement Considerations

C8051F550-IM