C8051F565-IMR

Overview

The C8051F565-IMR is an 8-bit mixed-signal ISP Flash MCU from Silicon Labs, based on the high-speed CIP-51 core. It features 16 kB of in-system programmable Flash memory and 2304 bytes of internal data RAM. The device includes a 12-bit ADC with up to 200 ksps throughput and supports communication via CAN 2.0, LIN 2.1, SMBus, SPI, and UART. Operating at speeds up to 50 MHz, it functions within a supply voltage range of 1.8 V to 5.25 V and is housed in a 32-pin QFN package.

Feature Summary

• Integrated 12-bit ADC with selectable gain and built-in temperature sensor
• On-chip debug circuitry enabling full-speed non-intrusive in-system debugging
• Hardware-enhanced serial ports including CAN 2.0 and LIN 2.1 controllers without external crystals
• Programmable Counter Array (PCA) with capture/compare modules and PWM functionality

Applications

• Automotive body control modules requiring AEC-Q100 qualification
• Industrial monitoring systems utilizing integrated temperature sensing
• Vehicle network interfaces using CAN and LIN protocols
• Battery-powered devices leveraging low-power stop modes

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required package type and tape-and-reel specifications. Check for current lifecycle status as this family may be subject to obsolescence notices. Ensure environmental compliance documentation aligns with project requirements before finalizing procurement orders.

Selection Notes

Select this model when 16 kB of Flash memory suffices for application code. Choose this variant over higher-capacity models if cost optimization is prioritized. Verify that the 32-pin QFN package fits the PCB layout constraints. Ensure the design accommodates the 1.8 V to 5.25 V operating voltage range and utilizes the available I/O pins for required peripheral connections.

Part Context

This microcontroller belongs to the C8051F55x/F56x/F57x mixed-signal ISP Flash MCU family. These devices share a common architecture featuring the CIP-51 core and extensive analog peripherals. The family provides scalable options across different pin counts and memory sizes while maintaining consistent software compatibility and peripheral sets for streamlined development.

Replacement Considerations

Consult official Silicon Labs documentation for confirmed substitute part numbers. Evaluate alternative members of the C8051F5xx series for pin-compatible upgrades. Verify functional equivalence regarding memory size and peripheral availability before implementing any replacement strategy.