CY8C26643-24PVI

Overview

The CY8C26643-24PVI is an 8-bit microcontroller from the Infineon PSoC 1 family, utilizing the M8C core. It features 16 kB of Flash program memory and 256 bytes of SRAM data storage within a 48-pin SSOP package. The device supports a maximum clock frequency of 24 MHz and operates on a supply voltage range of 3 V to 5.25 V. It includes four analog-to-digital converter channels with resolutions up to 14 bits. The component provides 44 general-purpose I/O pins and supports standard communication interfaces including I2C, SPI, and UART.

Feature Summary

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

Applications

• Consumer electronics requiring mixed-signal processing
• Industrial equipment control systems
• Communications interface modules
• Computation devices with sensor integration needs

Procurement Notes

Verify silicon revision D compatibility when sourcing this component. Confirm that the specific ordering suffix matches the required pinout and package dimensions for your PCB layout. Ensure development tools are aligned with the PSoC Designer software version supported by this device family.

Selection Notes

Select this part for designs requiring high configurability of analog peripherals alongside an 8-bit controller. Consider the 48-pin SSOP package constraints and the 24 MHz operational speed. Evaluate the available GPIO count against your interface requirements before finalizing the selection.

Part Context

This component belongs to the CY8C26xxx series of Programmable System-on-Chip devices. It replaces multiple discrete MCU-based system components with a single configurable chip. The family integrates programmable analog blocks, digital logic, and embedded memory to reduce board size and design time.

Replacement Considerations

Official documentation indicates the CY8C27xxx series as the recommended replacement for new designs.