C8051F567-IM

Overview

The C8051F567-IM is an automotive-grade mixed-signal ISP Flash MCU from the C8051F56x family, featuring a high-speed 8051 core with up to 50 MIPS throughput. It integrates 32 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM. The device includes a 12-bit ADC supporting up to 200 ksps conversion rates and up to 32 external single-ended inputs. Communication interfaces include CAN 2.0 and LIN 2.1 controllers without requiring a crystal, alongside hardware-enhanced UART, SMBus, and SPI ports. It operates on a supply voltage of 1.8 to 5.25 V within a temperature range of -40 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-speed pipelined 8051 core delivering up to 50 MIPS performance at 50 MHz clock speeds.
• On-chip debug circuitry facilitating full-speed, non-intrusive in-system debugging capabilities.

Applications

• Automotive embedded control systems
• Industrial sensor nodes
• LIN/CAN bus network devices

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm the specific package type matches the design requirements, as the C8051F56x series utilizes various pin-compatible packages including QFN and QFP configurations. Ensure that the ordering suffix corresponds exactly to the desired package variant and temperature rating. Cross-reference the datasheet revision to confirm all electrical characteristics align with current manufacturing specifications before finalizing procurement orders.

Selection Notes

Select this model when automotive reliability and CAN/LIN connectivity are required without external oscillators. The 32 kB Flash capacity supports complex firmware updates via in-system programming. Consider the 12-bit ADC resolution for precision analog signal acquisition. Verify that the 1.8V to 5.25V operating range matches the target system power architecture. Evaluate the 24-pin or 32-pin package options based on available PCB real estate and I/O pin requirements.

Part Context

This component belongs to the C8051F55x/56x/57x mixed-signal microcontroller family produced by Silicon Laboratories. These devices are designed as complete system-on-a-chip solutions, integrating analog peripherals, digital interfaces, and a high-performance CPU core. The family emphasizes ease of development through on-chip debugging and in-circuit reprogrammability, targeting applications demanding high integration in compact form factors.

Replacement Considerations

Pin-for-pin compatibility exists between the C8051F56x series and other members of the C8051F55x/57x families. Verify specific memory sizes and peripheral counts when substituting with adjacent part numbers within the same package configuration to ensure functional equivalence.

FAQ

Does the C8051F567-IM require an external crystal for CAN or LIN communication?

No, the device features an internal 24 MHz oscillator with ±0.5% accuracy specifically designed for CAN and master LIN operation, eliminating the need for 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.