CY8C3244PVI-133

Overview

The CY8C3244PVI-133 is an 8-bit microcontroller from the Infineon PSoC 3 family, featuring a single-cycle 8051 CPU core operating at frequencies up to 50 MHz. It integrates 16 kB of Flash program memory and 2 kB of SRAM within a 48-pin SSOP package. The device supports a wide supply voltage range of 1.71 V to 5.5 V and operates across a temperature range of -40 °C to +85 °C. Key peripherals include a 12-bit Delta-Sigma ADC, four TCPWM modules, and certified USB 2.0 Full-Speed interfaces alongside I2C, SPI, and UART capabilities.

Feature Summary

• Integrates a high-performance single-cycle 8051 CPU with DMA controller for efficient data handling
• Features programmable analog and digital subsystems allowing flexible routing of peripherals to any pin
• Includes certified full-speed USB 2.0 interface with internal oscillator support
• Supports CapSense technology for capacitive touch sensing applications

Applications

• Consumer electronics requiring low power consumption and flexible I/O
• Industrial control systems utilizing programmable logic and analog signal processing
• Medical devices needing precise analog acquisition and reliable communication interfaces
• Embedded systems integrating USB connectivity with custom peripheral functions

Procurement Notes

Verify the specific ordering suffix against official Infineon documentation to confirm package type and temperature grade. Ensure compatibility with PSoC Creator development tools for firmware implementation. Confirm RoHS compliance status through current manufacturer datasheets prior to procurement.

Selection Notes

Select this component when design requirements involve mixed-signal processing with configurable digital logic. The integrated USB capability and extensive GPIO count make it suitable for complex interface designs. Evaluate power consumption profiles against application needs, considering the available sleep and deep sleep modes for battery-operated devices.

Part Context

This part belongs to the PSoC 3 series, which combines an 8051 processor with highly configurable analog and digital blocks. The architecture allows system-level integration on a single chip, reducing bill of materials by replacing multiple discrete components. The CY8C3244 variant specifically offers moderate memory sizes suitable for mid-range embedded applications.

Replacement Considerations

Check for CY8C3244 variants with different package options or temperature ranges if physical constraints differ. Verify functional equivalence with other CY8C32xx parts regarding memory size and peripheral availability before substitution.