C161OLMHAFXQMA1

Overview

The C161OLMHAFXQMA1 is a 16-bit microcontroller from the Infineon C166 family, featuring a ROMless program memory architecture. It operates at a maximum clock speed of 20 MHz and includes 2K x 8 bytes of RAM. The device provides 63 I/O lines and supports interfaces including EBI/EMI, SPI, and UART/USART. It utilizes an external oscillator type and functions within a supply voltage range of 4.5V to 5.5V. The component is housed in an 80-pin MQFP package and is rated for an operating temperature range of -40°C to 85°C.

Feature Summary

• ROMless architecture allowing flexible code storage solutions
• Integrated 16-bit C166 core processor
• Supports multiple communication protocols including SPI and UART

Applications

• Automotive control systems
• Industrial automation controllers
• Embedded motor control applications

Procurement Notes

Verify the exact suffix FXQMA1 against official Infineon documentation to confirm package and tape/reel specifications. Confirm end-of-life status with the manufacturer as availability may be limited. Ensure compatibility with existing PCB footprints for the 80-MQFP package before procurement.

Selection Notes

Select this component when a 16-bit MCU with external clock requirements is needed. Compare RAM size and I/O count against project specifications. Verify that the 80-pin MQFP package fits the design constraints. Check if the 20 MHz speed meets processing requirements.

Part Context

This part belongs to the C16xx series of 16-bit microcontrollers designed by Infineon Technologies. The C166 core is widely used in automotive and industrial applications requiring robust performance and extensive peripheral support. The ROMless variant offers design flexibility for code deployment.

Replacement Considerations

Check for direct pin-to-pin replacements within the C161CS or C161PI families. Verify electrical parameters and package dimensions match before substitution.