CY8C20334-12LQXIT

Overview

The Infineon CY8C20334-12LQXIT is an 8-bit microcontroller from the PSoC 1 family, featuring the M8C processor core with speeds up to 12 MHz. It integrates 8 KB of Flash program storage and 512 Bytes of SRAM data memory within a QFN-16 package. The device supports industrial operating temperatures ranging from -40 °C to +85 °C and operates on a voltage range of 2.4 V to 5.25 V.

Feature Summary

• Integrates a dedicated CapSense analog system for configurable capacitive sensing applications without external components.
• Features flexible programmable pin configurations allowing pull-up, high Z, open-drain, and CMOS drive modes on all GPIOs.
• Includes a low-dropout voltage regulator (LDO) providing regulated digital I/O and internal analog reference.

Applications

• Capacitive touch sensing interfaces such as buttons, sliders, and proximity sensors
• Low-power embedded control systems requiring programmable analog and digital resources
• Industrial applications operating within extended temperature ranges

Procurement Notes

Verify the specific ordering suffix 'LQXIT' against the manufacturer's current datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the required development tools, specifically PSoC Designer, for hardware configuration and firmware generation before finalizing procurement.

Selection Notes

Select this component when designing systems that require integrated capacitive sensing capabilities alongside standard microcontroller functions. The device is suitable for applications needing flexible I/O configurations and programmable analog blocks within a compact footprint. Consider the 12 MHz processing speed and available memory size relative to application complexity.

Part Context

This part belongs to the CY8C20x34 series of PSoC Programmable System-on-Chips. These devices are designed to replace multiple traditional MCU-based components with a single programmable chip. The series emphasizes low power consumption and flexibility through configurable analog and digital blocks managed by the M8C core.

Replacement Considerations

Consult the official datasheet for cross-reference information regarding alternative packages or variants within the CY8C20x34 family. Verify pin compatibility and functional equivalence if substituting with other members of the PSoC 1 portfolio.