C8051F506-IM

Overview

The C8051F506-IMR is an 8-bit mixed-signal microcontroller from the C8051F50x family, manufactured by Silicon Labs. It features a high-speed pipelined 8051 core operating at up to 50 MHz (50 MIPS). The device includes 32 kB of in-system programmable Flash memory and 4.25 kB of internal RAM. Key peripherals include a 12-bit ADC with up to 200 ksps sampling rate, two voltage comparators, CAN 2.0 and LIN 2.1 controllers, UART, SMBus, SPI, and PWM capabilities. It operates on a supply voltage of 1.8 V to 5.25 V within a temperature range of -40°C to +125°C.

Feature Summary

• Integrates a high-performance 8051 core with full-speed non-intrusive on-chip debug capabilities.
• Features a 12-bit analog-to-digital converter with selectable gain and built-in temperature sensor.
• Includes hardware-accelerated communication interfaces such as CAN 2.0, LIN 2.1, UART, SMBus, and SPI.
• Provides flexible port I/O configuration via a priority crossbar decoder for dynamic pin assignment.

Applications

• Automotive body control modules and sensor interface circuits
• Industrial process control and monitoring systems
• Battery management systems requiring precise voltage and current sensing
• Motor control applications utilizing PWM and timer peripherals

Procurement Notes

Verify the specific suffix 'IMR' corresponds to the tape-and-reel packaging variant when ordering. Confirm that the component meets AEC-Q100 automotive qualification requirements if intended for automotive use. Check the latest datasheet revision for any updates regarding electrical characteristics or package dimensions before finalizing design specifications.

Selection Notes

Select this model when a compact 32-pin QFN package is required alongside integrated CAN/LIN connectivity. Ensure the application benefits from the internal oscillator accuracy for bus timing without external crystals. Consider the power consumption profiles in idle and stop modes against system energy constraints.

Part Context

This component belongs to the C8051F50x series of mixed-signal MCUs designed for automotive and industrial environments. The series offers pin-for-pin compatibility with other members like the C8051F501 and C8051F502, facilitating upgrades between variants with different memory sizes or I/O counts while maintaining board layout consistency.

Replacement Considerations

Public confirmed substitute part numbers: None identified in verified documentation.