C8051F511-IMR

Overview

The C8051F511-IMR is an 8-bit mixed-signal microcontroller from the C8051F51x 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 RAM. The device includes a 12-bit ADC with up to 200 ksps throughput, two comparators, and a built-in temperature sensor. Communication interfaces include CAN 2.0B, LIN 2.1, UART, SMBus, and SPI. It operates on a supply voltage of 1.8 V to 5.25 V and is housed in a 40-pin QFN package.

Feature Summary

• High-performance 8051 core with pipelined architecture delivering up to 50 MIPS.
• Integrated analog peripherals including a 12-bit ADC and dual comparators.
• Supports automotive communication protocols CAN 2.0B and LIN 2.1 without external crystals.
• Features in-system programmable Flash for field upgrades and non-volatile data storage.

Applications

• Automotive embedded control systems
• Industrial process monitoring
• Smart metering applications

Procurement Notes

Verify component authenticity through authorized Silicon Labs distributors or certified partners. Confirm the specific suffix matches the required package and temperature grade. Check for current product lifecycle status as this series may be subject to obsolescence notices. Ensure compatibility with existing design tools and debug adapters before finalizing procurement orders.

Selection Notes

Select this model when a compact 40-pin form factor is required alongside CAN and LIN capabilities. Compare against the C8051F50x series for pin compatibility if migrating designs. Consider the C8051F51x variant specifically for its distinct peripheral mapping compared to other members of the F50x/F51x family. Evaluate power consumption requirements against the typical stop mode current specifications.

Part Context

This component belongs to the C8051F50x/F51x mixed-signal ISP Flash MCU family by Silicon Laboratories. These devices are designed for applications requiring significant integration in constrained spaces. The family shares architectural similarities but varies in memory size, I/O count, and package options. This specific part represents a mid-range configuration within the broader portfolio.

Replacement Considerations

Public confirmed substitute part numbers: None identified in verified documentation.