C161OLMHABXQMA1

Overview

The C161OLMHABXQMA1 is a 16-bit microcontroller from Infineon's C16xx series, based on the C166 core architecture. It features a ROMless program memory configuration with 2K x 8 bytes of RAM. The device operates at a clock speed of 20MHz using an external oscillator and supports a supply voltage range of 4.5V to 5.5V. It provides 63 I/O lines and includes peripherals such as POR, PWM, and WDT. Connectivity options include EBI/EMI, SPI, and UART/USART interfaces. The component is housed in an 80-pin P-MQFP package and is rated for an operating temperature range of 0°C to 70°C.

Feature Summary

• 16-bit C166 core architecture
• ROMless memory configuration
• External oscillator support
• Multiple communication interfaces

Applications

• Automotive control systems
• Industrial motor control
• Power electronics management

Procurement Notes

This component is officially marked as obsolete and no longer manufactured by Infineon Technologies. Procurement should focus on verified substitute part numbers listed in official replacement guides. Availability is limited to existing stock or secondary market sources. Verify compatibility with target applications before acquisition.

Selection Notes

Select this unit only if legacy C166 ecosystem compatibility is required. Consider modern replacements like the XMC4000 series for new designs. Evaluate pinout and peripheral mapping against current system requirements. Ensure thermal and voltage specifications match the application environment.

Part Context

Part of the C16xx family offering 16-bit performance at competitive cost points. Designed for high-reliability applications requiring robust control capabilities. Integrates standard automotive-grade interfaces and peripherals for embedded control tasks.

Replacement Considerations

Official substitutes include XMC4200F64K256BAXQSA1 and XMC4400F100K512BAXQMA1. These represent newer generations within the Infineon portfolio. Verify functional equivalence and interface compatibility when transitioning.