C161OLMHAFXUMA1

Overview

The C161OLMHAFXUMA1 is a 16-bit microcontroller from the Infineon C166 C16xx series. It features a ROMless program memory architecture and an internal oscillator. The device operates at a maximum speed of 20MHz with a supply voltage range of 4.5V to 5.5V. It includes 2K x 8 bytes of RAM, 63 I/O lines, and integrates 12x10-bit A/D converters. Connectivity options include EBI/EMI, SPI, and UART/USART interfaces. The component is housed in an 80-MQFP package and supports surface mount installation within an operating temperature range of -40°C to 85°C.

Feature Summary

• Supports external oscillator configurations for precise clock generation
• Integrates multiple communication interfaces including SPI and UART/USART
• Includes built-in analog-to-digital conversion capabilities

Applications

• Industrial control systems requiring robust 16-bit processing
• Automotive embedded applications utilizing CANbus or similar protocols
• Motor control units leveraging PWM peripherals

Procurement Notes

Verify component authenticity through authorized distributors as this part is marked obsolete. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Check for available lifecycle notices regarding end-of-life status and recommended replacement strategies.

Selection Notes

Select this component when a ROMless 16-bit MCU with external clock support is required. Compare against other C16xx variants based on pin count and peripheral availability. Ensure the 80-pin MQFP package fits the PCB layout constraints. Verify that the 20MHz speed and 5.5V max supply align with system power requirements.

Part Context

This microcontroller belongs to the C166 family, designed for high-performance embedded applications. It offers a balance of processing power and peripheral integration suitable for complex control tasks. The C16xx series is known for its efficiency in automotive and industrial environments, providing reliable execution of real-time operations.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Infineon resources for current obsolescence management and alternative recommendations.