CY8C20666AS-24LQXI

Application Specific Microcontrollers Overview

The CY8C20666AS-24LQXI is an 8-bit microcontroller from the PSoC 1 family, featuring the M8C core and CapSense technology. It supports clock frequencies up to 24 MHz and operates within a voltage range of 1.71 V to 5.5 V. The device integrates 32 kB of program memory and 2 kB of data RAM. It includes interfaces such as I2C, SPI, and USB, along with a 10-bit Delta-Sigma ADC. The component is housed in a QFN-48 package and is designed for applications requiring tactile feedback integration via the TS2000 Haptics user module.

Application Specific Microcontrollers Feature Summary

• Integrated CapSense controller with SmartSense auto-tuning capabilities
• Supports TS2000 Haptics effects library for tactile feedback generation
• Includes Full-Speed USB interface alongside I2C and SPI communication protocols
• Features a 10-bit Delta-Sigma ADC with a sampling rate of 5.9 ksps

Application Specific Microcontrollers Applications

• CapSense-based touch sensor interfaces requiring haptic confirmation
• USB-enabled human-machine interaction devices
• Portable electronics utilizing low-voltage operation (1.71 V to 5.5 V)

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized Infineon distributors. Confirm RoHS compliance status prior to procurement. Check for End-of-Life (EOL) notifications or discontinuation alerts. Ensure supply chain stability due to potential availability constraints. Validate packaging specifications against production requirements.

Application Specific Microcontrollers Selection Notes

Select this model when 32 kB flash and 2 kB RAM are required for firmware storage. Choose the QFN-48 package for compact surface-mount designs. Ensure the application utilizes the M8C architecture and supports CapSense integration. Verify that the system voltage aligns with the 1.71 V to 5.5 V operating range. Confirm compatibility with PSoC Designer software for TS2000 module configuration.

Application Specific Microcontrollers Part Context

This part belongs to the CY8C20xx6A series of PSoC 1 mixed-signal arrays. It shares architectural similarities with the CY8C20666A variant but includes specific suffix designations indicating package and temperature grade variations. The device is part of Infineon's legacy 8-bit MCU portfolio, often replaced by newer PSoC families for advanced features.

Application Specific Microcontrollers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Infineon's official obsolescence notices for recommended migration paths to newer PSoC architectures.