CY8C26443-24SI

Overview

The CY8C26443-24SI is an 8-bit Programmable System-on-Chip (PSoC) microcontroller from Infineon Technologies. It features the M8C processor core operating at a maximum clock frequency of 24 MHz. The device includes 16 Kbytes of Flash program memory and 256 bytes of SRAM data storage. It integrates configurable analog and digital peripheral blocks, including up to 11-bit Delta-Sigma ADCs, 9-bit DACs, programmable filters, and full-duplex UARTs. The component supports an operating voltage range of 3.0 V to 5.25 V, with extended functionality down to 1.0 V using an on-chip switch mode voltage pump.

Feature Summary

• Configurable mixed-signal array architecture allowing user-defined analog and digital peripheral blocks
• Integrated M8C Harvard architecture processor with fast multiply/accumulate capabilities
• Flexible on-chip memory with in-system serial programming and partial flash update support
• Precision programmable clocking with internal oscillators and external crystal options

Applications

• Consumer electronics requiring mixed-signal processing
• Industrial equipment control systems
• Communications devices utilizing programmable interfaces
• Computation modules needing low power operation

Procurement Notes

Verify silicon revision D compatibility when sourcing this component. Confirm that the specific package variant matches the design requirements for pin-out configurations. Ensure development tools such as PSoC Designer software are available for configuration. Check for any obsolescence notices regarding new design recommendations.

Selection Notes

Select this model for applications requiring high configurability of analog and digital functions within a single chip. Consider the 24 MHz processing speed and memory size relative to application complexity. Evaluate the need for specific peripherals like ADCs or DACs against the available PSoC blocks. Verify voltage requirements and temperature ranges for the target environment.

Part Context

This device belongs to the CY8C26xxx family of Programmable System-on-Chips. It replaces multiple MCU-based system components with a single configurable device. The family emphasizes design flexibility through graphical selection of user modules. It targets markets including consumer, computation, communications, and industrial equipment.

Replacement Considerations

Official documentation recommends using the CY8C27xxx series for new designs instead of this component.