C8051F563-IMR

Overview

The C8051F563-IMR is an automotive-grade mixed-signal ISP Flash MCU from the C8051F56x family. It features a high-speed 8051 core with up to 50 MIPS throughput at 50 MHz, 16 kB of in-system programmable Flash memory, and 2304 bytes of internal data RAM. The device integrates a 12-bit ADC supporting up to 200 ksps sampling rate with up to 32 external single-ended inputs. Digital peripherals include CAN 2.0 and LIN 2.1 controllers, hardware-enhanced UART, SMBus, and SPI interfaces. 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

• Automotive qualified compliance with AEC-Q100 standards for operation in extreme temperatures.
• Integrated CAN 2.0 and LIN 2.1 controllers enabling robust communication without external crystals.
• High-performance pipelined 8051 core executing 70% of instructions in one or two system clocks.
• On-chip debug circuitry facilitating full-speed, non-intrusive in-system debugging capabilities.

Applications

• Automotive embedded systems requiring CAN and LIN bus connectivity
• Industrial control applications demanding high integration and reliability
• Medical diagnostic equipment utilizing mixed-signal processing
• Voice over Internet Protocol (VoIP) telephones

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors. Confirm the specific suffix matches the required package type. Check for current availability status as this series may be subject to lifecycle changes. Ensure environmental compliance documentation aligns with project requirements. Validate that the ordering part number corresponds exactly to the intended pinout and memory configuration.

Selection Notes

Select this model when automotive qualification and CAN/LIN support are mandatory. Compare memory sizes against application firmware requirements to ensure sufficient Flash and RAM capacity. Evaluate pin count compatibility with the target PCB layout constraints. Consider power consumption profiles across different operating modes. Verify peripheral availability matches the specific interface needs of the design.

Part Context

This component belongs to the C8051F55x/56x/57x mixed-signal ISP Flash MCU family. These devices are designed as standalone system-on-a-chip solutions featuring integrated analog and digital peripherals. The family emphasizes high performance and low power consumption suitable for space-constrained environments. Pin-for-pin compatibility exists within specific series subsets to facilitate design upgrades.

Replacement Considerations

Consult official Silicon Labs documentation for confirmed substitute part numbers. Verify functional equivalence regarding pinouts and peripheral sets before substitution. Ensure any replacement maintains the required automotive qualification standards. Check for updates in the latest datasheets regarding recommended alternatives.

FAQ

Does the C8051F563-IMR require an external crystal for CAN and LIN operation?

No, the device includes an internal 24 MHz oscillator with ±0.5% accuracy specifically designed 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.

Is in-system programming supported for the Flash memory?

Yes, the Flash memory can be reprogrammed in-circuit in 512-byte sectors, allowing for field upgrades and non-volatile data storage.