CY8C20434-12LQXIT

Overview

The CY8C20434-12LQXIT is an 8-bit microcontroller from the PSoC 1 family, featuring the M8C processor core. It integrates 8 KB of Flash program storage and 512 Bytes of SRAM data memory. The device supports a maximum clock frequency of 12 MHz and operates within a voltage range of 2.4 V to 5.25 V. It includes a dedicated CapSense block for capacitive sensing applications and provides up to 28 general-purpose I/O pins.

Feature Summary

• Integrates a low-power CapSense block supporting configurable capacitive sensing elements for buttons, sliders, touchpads, and proximity sensors.
• Features a powerful M8C Harvard-architecture processor with speeds running up to 12 MHz and low power consumption at high speed.
• Includes flexible on-chip memory with 8 KB Flash offering 50,000 erase/write cycles and 512 Bytes of SRAM.
• Provides programmable pin configurations with pull-up, high Z, open-drain, and CMOS drive modes on all GPIOs.

Applications

• Capacitive sensing interfaces such as sliders and touch pads
• Complex capacitive sensing applications requiring hardware scanning control
• Systems utilizing configurable analog and digital blocks for customized peripheral configurations

Procurement Notes

Verify the specific ordering suffix LQXIT against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with the PSoC Designer development environment. Check for any discontinuation notices or lifecycle status updates directly from Infineon Technologies before finalizing procurement plans.

Selection Notes

Select this component when a low-cost single chip solution is needed to replace multiple traditional MCU components. It is suitable for designs requiring configurable analog and digital blocks, specifically those leveraging the integrated CapSense capabilities. Consider the 8-bit M8C architecture and available I/O count for system integration requirements.

Part Context

This part belongs to the CY8C20x34 series of PSoC Programmable System-on-Chips. These devices are designed to integrate configurable analog and digital blocks with a fast CPU and flash memory. The family allows users to create customized peripheral configurations to match individual application needs, reducing inventory costs and managing specification changes during development.

Replacement Considerations

Consult the official datasheet for cross-reference information. Verify electrical characteristics and pinout compatibility with potential substitutes. Ensure that alternative components support similar CapSense functionality and M8C architecture if code reuse is intended.

FAQ

What is the maximum operating voltage for the CY8C20434-12LQXIT?

The maximum operating voltage is 5.25 V.

Does the CY8C20434-12LQXIT include an ADC?

No, the CY8C20434 does not include a dedicated ADC module; it utilizes the CapSense block and analog mux for sensing.

What is the internal oscillator frequency capability?

The device features an internal main oscillator with frequencies of 6 MHz and 12 MHz.