CY8C20224-12LKXIT

Overview

The CY8C20224-12LKXIT is a CapSense PSoC Programmable System-on-Chip featuring an M8C processor with speeds up to 12 MHz. It integrates 8 KB of flash program storage and 512 bytes of SRAM data storage. The device operates within a voltage range of 2.4 V to 5.25 V, supporting active current consumption of 1.5 mA at 3.0 V and 12 MHz, and sleep mode current of 2.8 µA at 3.3 V. It includes configurable capacitive sensing elements for up to 25 buttons, one slider, and proximity sensing up to 10 cm. Communication interfaces include I2C slave and SPI master/slave capabilities.

Feature Summary

• Configurable capacitive sensing hardware supporting buttons, sliders, and proximity detection without external components
• Harvard-architecture M8C CPU core operating at speeds up to 12 MHz with low power consumption modes
• Integrated analog system with internal oscillators and reference, eliminating the need for external crystals or regulators

Applications

• Capacitive touch interface designs for multimedia keys and control panels
• Proximity sensing applications requiring reliable finger detection through dielectric layers
• Low-power embedded systems utilizing in-system serial programming for field updates

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type and temperature grade. Ensure compatibility with the required development tools, such as PSoC Designer software, for configuration and debugging. Confirm that the selected variant meets the electrical specifications for the target operating environment.

Selection Notes

Select this component when a single-chip solution is needed to replace multiple traditional MCU-based system components. Consider the CY8C20224-12LKXIT for applications requiring flexible GPIO configurations and integrated CapSense functionality. Evaluate the available pinout options to ensure sufficient I/O count for the specific application requirements.

Part Context

This device belongs to the Cypress Semiconductor (now Infineon) PSoC 1 family, specifically the CY8C20x24 series. These devices are designed to provide programmable system-on-chip capabilities with configurable analog and digital blocks. The architecture allows for customized peripheral configurations to match individual application needs while maintaining low cost and reduced inventory complexity.

Replacement Considerations

Consult the official datasheet for cross-reference information regarding alternative part numbers within the CY8C20x24 series. Verify pin compatibility and functional equivalence before substituting with other variants in the CapSense PSoC family.