CY8C3244AXA-159

Overview

The CY8C3244AXA-159 is an 8-bit microcontroller from the Infineon PSoC 3 family, utilizing an 8051 core. It features 16 kB of Flash program memory and 8 kB of SRAM data memory. The device operates within a voltage range of 1.71 V to 5.5 V and supports a maximum clock frequency of 50 MHz. It is housed in a TQFP-100 package with 28 I/O pins. Key interfaces include I2C, SPI, UART, and USB. The component includes four timers/counters and functions across an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates a high-performance 8051 processor core capable of up to 50 MHz operation for efficient code execution.
• Provides flexible connectivity through integrated hardware support for I2C, SPI, UART, and USB protocols.
• Offers substantial on-chip memory resources including 16 kB Flash for program storage and 8 kB SRAM for data handling.

Applications

• USB-enabled peripheral devices requiring 8-bit processing
• Industrial control systems using I2C or SPI communication
• Consumer electronics with UART interface requirements

Procurement Notes

Verify the specific suffix '159' against official Infineon documentation to confirm pinout and electrical characteristics. Confirm availability status as this part may be discontinued. Ensure compatibility with PSoC Creator development tools. Check for moisture sensitivity levels if reflow soldering is required. Validate package dimensions against PCB footprint specifications.

Selection Notes

Select this component when an 8051-based architecture is preferred over ARM cores. Consider the 100-pin TQFP package for higher I/O density compared to smaller packages. Evaluate the 16 kB Flash size against application code requirements. Verify that the 50 MHz speed meets real-time processing needs. Ensure the 1.71 V minimum voltage aligns with system power rails.

Part Context

This MCU belongs to the PSoC 3 series, known for its programmable analog and digital blocks. While the provided data highlights standard peripherals, PSoC devices typically allow customization of internal resources via schematic-based design. This series bridges the gap between general-purpose MCUs and complex SoCs, offering flexibility for mixed-signal applications.

Replacement Considerations

Check for direct pin-compatible replacements within the CY8C32xx series. Verify if newer generations like PSoC 4 or PSoC 5LP offer functional equivalents with updated toolchains. Ensure any substitute maintains the same 8051 core instruction set compatibility.