CY8C3244AXA-146

Overview

The CY8C3244AXA-146 is an 8-bit microcontroller from Infineon Technologies, part of the PSoC 3 family. It features an 8051 core with a maximum clock frequency of 50 MHz. The device includes 64 kB of Flash program memory and 8 kB of SRAM data RAM. It operates within a voltage range of 1.71 V to 5.5 V and supports interfaces including I2C, SPI, UART, and USB. The component is housed in a QFN-68 package and offers 46 I/O pins.

Feature Summary

• Integrates a high-performance 8051 processor core capable of operating at up to 50 MHz for efficient code execution.
• Provides substantial non-volatile storage with 64 kB of Flash memory alongside 8 kB of static RAM for data handling.
• Supports versatile communication protocols including I2C, SPI, UART, and Full-Speed USB connectivity.
• Features a low-voltage operation range starting from 1.71 V, suitable for battery-powered applications.

Applications

• Consumer electronics requiring USB connectivity
• Industrial control systems using I2C or SPI interfaces
• Battery-operated devices leveraging low-voltage operation
• General-purpose embedded applications utilizing 8051 architecture

Procurement Notes

Verify the specific suffix 'AXA-146' against official Infineon documentation to confirm package type, temperature range, and RoHS compliance status. Ensure compatibility with PSoC Creator development tools. Check for moisture sensitivity levels and recommended soldering profiles prior to assembly. Confirm availability of supporting documentation such as datasheets and errata sheets directly from the manufacturer.

Selection Notes

Select this component when an 8-bit 8051 core with integrated USB and ample Flash memory is required. Consider the QFN-68 package constraints for PCB layout. Evaluate if the 50 MHz performance meets system timing requirements. Compare against other PSoC 3 variants for pin count and peripheral availability differences.

Part Context

This microcontroller belongs to the Infineon PSoC 3 family, designed for mixed-signal applications. It combines a programmable analog block with digital logic on a single chip. The series is known for its flexibility in configuring peripherals and analog functions, making it suitable for complex embedded designs requiring both precise analog control and digital processing capabilities.

Replacement Considerations

Consult Infineon's official cross-reference guides for verified substitutes. Potential alternatives within the PSoC 3 family may include CY8C32xxx series variants with similar memory sizes and interface options. Ensure any replacement maintains compatibility with existing firmware and hardware design constraints.