C161CSLFCABXUMA1

Overview

The C161CSLFCABXUMA1 is a 16-bit microcontroller from Infineon Technologies, part of the C16xx series utilizing the C166 core. It features a ROMless program memory architecture with 10 kB of data RAM. The device operates at a maximum clock frequency of 25 MHz and supports a supply voltage range of 4.5 V to 5.5 V. It provides 93 I/O lines and includes peripherals such as CANbus, EBI/EMI, I2C, SPI, UART/USART, 12x10-bit A/D converters, POR, PWM, and WDT. Housed in a PG-TQFP-128-2 package, it functions within an operating temperature range of 0°C to 70°C.

Feature Summary

• ROMless architecture allowing external code storage flexibility
• Integrated communication interfaces including CANbus, SPI, I2C, and UART/USART
• Built-in analog-to-digital conversion capabilities with multiple channels
• Support for external bus interfacing via EBI/EMI

Applications

• Automotive control systems requiring CANbus connectivity
• Industrial motor control applications utilizing PWM and ADC features
• Embedded systems needing flexible external memory interfacing

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level (MSL 3) prior to PCB assembly. Check for obsolescence notices as this part may be discontinued. Ensure proper handling procedures are followed due to humidity sensitivity requirements during storage and soldering processes.

Selection Notes

Select this MCU when a 16-bit C166 core is required with extensive I/O count and robust communication interfaces. Consider the ROMless design if external program memory is preferred over internal flash. Evaluate thermal performance within the 0°C to 70°C range for your specific environment. Compare against other C16xx variants based on pin count and peripheral availability.

Part Context

This component belongs to the Infineon C16xx family, designed for high-performance embedded applications. The C166 core offers efficient processing for complex control tasks. The C161CS variant specifically targets automotive and industrial sectors, providing reliable operation with integrated safety features like watchdog timers and power-on resets.

Replacement Considerations

Check official Infineon documentation for cross-reference recommendations. Verify pin compatibility and peripheral equivalence before substitution. Note that this specific part number may be obsolete; consult manufacturer lifecycle status for valid alternatives.