C8051F560-IQR

Overview

The C8051F560-IQR is an automotive and industrial mixed-signal microcontroller from Silicon Labs, belonging to the C8051F56x family. It features a high-speed 8051 core operating at up to 50 MIPS with a 50 MHz clock. The device integrates 32 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM. Key peripherals include a 12-bit ADC supporting up to 200 ksps, two comparators, CAN 2.0 and LIN 2.1 controllers, UARTs, SMBus, and SPI interfaces. It operates within a supply voltage range of 1.8 V to 5.25 V and supports an extended temperature range of -40 °C to +125 °C.

Feature Summary

• High-performance 8051 core with pipelined architecture delivering up to 50 MIPS throughput.
• Integrated 12-bit analog-to-digital converter with selectable gain and built-in temperature sensor.
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators.
• Automotive-grade qualification compliant with AEC-Q100 standards for harsh environment reliability.

Applications

• Automotive body control modules requiring CAN and LIN communication.
• Industrial monitoring systems utilizing high-precision analog signal acquisition.
• Embedded controllers needing robust in-circuit reprogrammability for field upgrades.

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm package integrity upon receipt, as the QFP-32 form factor requires careful handling during soldering. Ensure design compliance with the specified electrical characteristics and thermal limits before integration into final assemblies.

Selection Notes

Evaluate pin count requirements against the 32-pin QFP/QFN package availability. Assess memory needs to confirm that 32 kB Flash and 2304 bytes RAM suffice for application logic. Verify peripheral compatibility, specifically checking if the integrated CAN and LIN controllers meet system bus specifications without requiring external transceivers.

Part Context

This component belongs to the C8051F55x/56x/57x family of mixed-signal MCUs. These devices are designed for applications demanding high integration and performance in small form factors. The family shares architectural similarities but varies in memory size and I/O counts across different package options.

Replacement Considerations

Consult official documentation for pin-compatible alternatives within the C8051F56x series or related families such as the C8051F55x or C8051F57x. Verify functional equivalence regarding memory capacity and peripheral sets before substitution.

FAQ

Does the C8051F560-IQR require an external crystal for CAN operation?

No, the device includes an internal 24 MHz oscillator with ±0.5% accuracy sufficient for CAN and master LIN operation without external crystals.

What is the maximum sampling rate of the on-chip ADC?

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