C8051F526A-IM

Overview

The C8051F526A-IM is an 8-bit microcontroller from the Silicon Labs C8051F52x family, featuring a high-speed 8051 core with up to 25 MIPS throughput at a 25 MHz system clock. It integrates 2 kB of in-system programmable Flash memory and 256 bytes of internal data RAM. The device includes a 12-bit ADC with programmable throughput up to 200 ksps, a programmable comparator, and a built-in temperature sensor. Communication interfaces include hardware SPI and UART, along with a LIN 2.1 controller. It operates on a supply voltage of 2.0 to 5.25 V and is available in a 10-pin DFN package.

Feature Summary

• High-speed 8051 core with pipelined architecture for efficient instruction execution
• Integrated 12-bit analog-to-digital converter with programmable throughput and windowed interrupt generation
• On-chip debug circuitry enabling full-speed, non-intrusive in-system debugging without external emulators
• LIN 2.1 controller supporting both master and slave modes without requiring an external crystal

Applications

• Industrial control systems requiring robust communication protocols
• Automotive applications meeting AEC-Q100 qualification standards
• Battery-powered devices utilizing low-power operating modes
• Sensor interface circuits leveraging integrated temperature sensing and ADC capabilities

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix 'A' indicates silicon revision details as documented in the datasheet errata. Ensure compatibility with existing PCB footprints for the 10-pin DFN package. Check for end-of-life status notifications from Silicon Labs regarding production discontinuation timelines.

Selection Notes

Select this component when a compact 8-bit MCU with integrated analog peripherals is required. It is suitable for designs needing LIN bus connectivity without external crystals. Consider the limited Flash size for complex firmware requirements. Evaluate the 10-pin package constraints against I/O count needs before finalizing the design.

Part Context

This part belongs to the C8051F52x/F53x family of fully static 8-bit MCUs. These devices are known for their mixed-signal capabilities and on-chip debug features. The family supports various packages including DFN, QFN, and TSSOP options. They are designed for cost-sensitive applications requiring high performance and integration.

Replacement Considerations

Silicon Labs recommends the C8051F520-C-IM as a substitute. Verify pinout compatibility and software migration efforts when transitioning between these variants.