CY8C3244PVA-165

Overview

The CY8C3244PVA-165 is an 8-bit microcontroller from Infineon Technologies, part of the PSoC family. It features an 8051 core with a maximum clock frequency of 50 MHz. The device includes 16 kB of Flash program memory and 2 kB of SRAM data RAM. It operates within a voltage range of 1.71 V to 5.5 V and supports an industrial temperature range of -40 °C to +85 °C. The component is housed in a 48-pin SSOP package and provides 29 I/O lines. It integrates a 12-bit ADC, four timers/counters, and interfaces including I2C, SPI, UART, and USB.

Feature Summary

• Integrates a programmable analog block featuring a 12-bit Sigma-Delta ADC for precise signal acquisition.
• Supports CapSense technology for capacitive touch sensing applications without external components.
• Includes a built-in boost converter capable of generating up to 0.5 V above the supply voltage.
• Provides flexible digital interconnects allowing custom peripheral configuration via PSoC Creator software.

Applications

• Capacitive touch interface controllers
• Low-power sensor nodes
• Industrial control systems
• Consumer electronics input devices

Procurement Notes

Verify the specific ordering suffix to confirm package type and temperature grade. Ensure compatibility with PSoC Creator development tools. Check humidity sensitivity levels for proper storage and reflow soldering profiles. Confirm RoHS compliance status for regulatory requirements. Validate pinout against schematic designs before procurement.

Selection Notes

Choose this model for applications requiring integrated analog capabilities alongside digital processing. Consider the 12-bit ADC resolution for precision measurement tasks. Evaluate the 29 available I/O pins against system connectivity needs. Assess power consumption requirements within the specified voltage range. Compare against other CY8C32xx variants for differing memory or package options.

Part Context

This component belongs to the Infineon CY8C3244 series of 8-bit microcontrollers. It utilizes the M8C core architecture derived from the classic 8051 design. The series is designed for cost-sensitive embedded applications requiring mixed-signal functionality. It shares common software libraries and development environments with sibling parts in the PSoC 3 family.

Replacement Considerations

Direct substitutes include CY8C3244PVI-133 and CY8C3244AXI-153, which share identical core specifications but differ in package form factor and I/O count. Verify that alternative packages fit the PCB footprint constraints. Ensure firmware compatibility remains intact across these variant changes.