C8051F506-IQ

Overview

The C8051F506-IQ is an 8-bit mixed-signal microcontroller from the Silicon Labs C8051F50x family, featuring a high-speed pipelined 8051 core operating at up to 50 MHz. It integrates 32 kB of in-system programmable Flash memory and 4.25 kB of internal data RAM. The device includes a 12-bit ADC with up to 200 ksps throughput, two voltage comparators, and a built-in temperature sensor. Digital peripherals support CAN 2.0, LIN 2.1, SMBus, SPI, and UART interfaces. It operates on a supply voltage of 1.8 V to 5.25 V and is available in a 32-pin QFP package.

Feature Summary

• Integrates a high-speed 8051 core with pipelined architecture for efficient instruction execution.
• Includes a 12-bit analog-to-digital converter with selectable gain and burst mode capabilities.
• Features hardware-accelerated communication protocols including CAN 2.0 and LIN 2.1 controllers.
• Provides flexible I/O configuration via a priority crossbar decoder for dynamic pin assignment.

Applications

• Industrial control systems requiring robust signal processing
• Automotive applications compliant with AEC-Q100 standards
• Sensor interface modules utilizing integrated ADC and comparators
• Networked devices using CAN or LIN bus communication

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific part number matches the required package variant and temperature rating. Review the latest datasheet revision for any errata or design warnings. Ensure compatibility with existing development tools and debug interfaces before finalizing procurement decisions.

Selection Notes

Select this model when a compact 32-pin solution is required alongside integrated CAN and LIN capabilities. Consider the 32 kB Flash size against application code requirements. Evaluate the 12-bit ADC resolution and sampling rate against sensor accuracy needs. Verify that the 1.8 V to 5.25 V supply range aligns with the system power architecture.

Part Context

This component belongs to the C8051F50x/F51x mixed-signal ISP Flash MCU family. It shares architectural similarities with other members like the C8051F505 and C8051F507, differing primarily in memory capacity and I/O count. The family utilizes a common silicon base with varying peripheral configurations to address diverse embedded control needs.

Replacement Considerations

Consult the official datasheet for compatible alternatives within the C8051F50x series. Verify pinout compatibility if substituting with variants such as the C8051F507. Check for any functional differences in Flash size or peripheral availability between potential replacement models.

FAQ

Does the C8051F506-IQ require an external crystal for CAN operation?

No, the device features an internal 24 MHz oscillator with sufficient accuracy for CAN and master LIN operation without requiring an external crystal.

What is the maximum sampling rate of the integrated ADC?

The 12-bit ADC supports a maximum sampling rate of up to 200 ksps.