CY8C20234-12LKXI

Overview

The CY8C20234-12LKXI is an 8-bit microcontroller from the PSoC 1 family, featuring the M8C processor core with speeds up to 12 MHz. It includes 8 KB of Flash program storage and 512 Bytes of SRAM data storage. The device supports a supply voltage range of 2.4 V to 5.25 V and operates within an industrial temperature range of –40 °C to +85 °C. It integrates a low power CapSense block for capacitive sensing applications.

Feature Summary

• Integrates a dedicated CapSense analog system for configurable capacitive sensing elements without external components.
• Features a powerful Harvard-architecture M8C processor core supporting flexible on-chip memory and interrupt control.
• Provides programmable pin configurations including pull-up, high Z, open-drain, and CMOS drive modes on all GPIOs.

Applications

• Capacitive touch sensing interfaces such as buttons, sliders, and touchpads
• Low power embedded systems requiring industrial temperature operation
• Applications utilizing I2C slave or SPI master-slave communication interfaces

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct package type and temperature rating. Confirm RoHS compliance status through current documentation. Check for continuity of support as Infineon continues to offer existing part numbers from the Cypress portfolio.

Selection Notes

Select this component for designs requiring integrated capacitive sensing capabilities alongside standard MCU functions. Consider the 8 KB Flash and 512 Byte SRAM limits for application complexity. Ensure the 16-pin QFN package fits the board layout constraints and thermal requirements.

Part Context

This device belongs to the CY8C20x34 series of PSoC Programmable System-on-Chips. It is designed to replace multiple traditional MCU-based system components with a single chip. The architecture combines configurable analog and digital blocks with a fast CPU and flash memory.

Replacement Considerations

Consult the official datasheet for cross-reference information within the CY8C20134/CY8C20234/CY8C20334/CY8C20434/CY8C20534/CY8C20634 families. Verify pin compatibility and resource availability before substituting with other members of the PSoC 1 family.

FAQ

Does the CY8C20234-12LKXI include an ADC?

No, the CY8C20234 does not include a dedicated Analog-to-Digital Converter (ADC). It utilizes a CapSense block and analog multiplexer for signal processing.

What is the maximum operating frequency of the M8C core in this device?

The M8C processor core in the CY8C20234-12LKXI can run at speeds up to 12 MHz.

Can the GPIO pins be configured for analog input?

Yes, every port pin is capable of Digital I/O and connection to the common analog bus, allowing for analog input functionality.