CY8C4247AZI-L433T

Overview

The CY8C4247AZI-L433T is a PSoC 4200L microcontroller based on the Arm Cortex-M0 core, operating at up to 48 MHz. It features 128 kB of Flash memory and 16 kB of SRAM. The device includes one 12-bit SAR ADC with a sampling rate of 1 MSPS. It provides 38 GPIO pins and supports USB 2.0 Full-Speed Client Controller functionality. The unit operates within a voltage range of 1.71 V to 5.5 V and functions between -40 °C and 85 °C.

Feature Summary

• Integrates programmable analog blocks including opamps and comparators that operate in Deep Sleep mode for low-power applications.
• Supports capacitive sensing via Sigma-Delta blocks with automatic hardware tuning capabilities.
• Includes multiple serial communication blocks supporting I2C, SPI, and UART protocols alongside USB connectivity.

Applications

• Battery-powered consumer electronics requiring low power consumption
• Industrial control systems utilizing CAN or serial communication
• Devices requiring capacitive touch interface integration

Procurement Notes

Verify the specific package type and temperature grade against the datasheet ordering information. Confirm that the suffix indicates the correct reel quantity if applicable. Ensure the component matches the required pinout configuration for your PCB layout design before finalizing procurement.

Selection Notes

Select this model when a balance of moderate Flash capacity and integrated analog peripherals is required. Consider the 48 MHz processing speed and available GPIO count relative to system complexity. Evaluate the need for USB connectivity and capacitive sensing features inherent to this family member.

Part Context

This component belongs to the Infineon PSoC 4200L family, designed for scalable embedded control. It combines an ARM Cortex-M0 processor with reconfigurable analog and digital blocks. The architecture allows for flexible system integration without external discrete components.

Replacement Considerations

Check the PSoC 4200L selector guide for variants with different memory sizes or package options. Verify compatibility with existing firmware libraries and peripheral configurations when substituting with other members of the same family.

FAQ

Does the CY8C4247AZI-L433T support capacitive sensing?

Yes, the device includes Capacitive Sigma-Delta (CSD) blocks that provide high signal-to-noise ratio and water tolerance for capacitive sensing applications.

What is the maximum clock frequency of the CPU?

The Arm Cortex-M0 CPU operates at a maximum frequency of 48 MHz.

Is the device compatible with industry-standard debug tools?

Yes, it supports the Serial Wire Debug (SWD) interface, which is compatible with standard production devices and third-party development tools.