C165LMHABXUMA1

Overview

The C165LMHABXUMA1 is a 16-bit microcontroller from the Infineon C166 family, utilizing the C166 core architecture. It features a ROMless program memory configuration with 2 kB of RAM. The device operates at a maximum clock frequency of 20 MHz and supports an external oscillator type. It provides 77 I/O lines and functions within a supply voltage range of 4.5V to 5.5V. The component is housed in a 100-pin MQFP package and is designed for surface mount installation. Operating temperatures range from 0°C to +70°C.

Feature Summary

• Built on the C166 core architecture for 16-bit processing capabilities
• ROMless design allowing for external code execution or custom memory mapping
• Integrated peripherals including ASC, SSC, and multiple timers
• Supports standard communication interfaces such as SPI and UART/USART

Applications

• Automotive electronic control units requiring robust 16-bit processing
• Industrial control systems with specific interface requirements
• Embedded applications utilizing external memory expansion
• Motor control implementations leveraging timer and PWM capabilities

Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Cross-reference pinouts with official datasheets to ensure compatibility with existing PCB layouts. Validate temperature ratings against operational environment constraints before finalizing procurement decisions.

Selection Notes

Select this component when a 16-bit C166 core is required without onboard program memory. Consider the 20 MHz speed limit and 2 kB RAM capacity for application complexity. Ensure the 100-pin MQFP package fits the mechanical design. Verify that external memory solutions are compatible with the ROMless architecture and available I/O resources for system integration.

Part Context

This part belongs to the C165 series within the broader C16xx microcontroller family. It shares architectural similarities with other C166-based devices but differs in memory configuration and package options. The C165 series is positioned for applications needing reliable 16-bit performance with flexible memory management strategies.

Replacement Considerations

The XMC4400F100K512BAXQMA1 is listed as a similar replacement option. Note that this substitute utilizes a different architecture (32-bit XMC) and may require significant software and hardware redesign. Evaluate functional equivalence carefully before substitution.