CY8C4246AZI-L433

Overview

The CY8C4246AZI-L433 is a PSoC™ 4200L microcontroller based on the Arm® Cortex®-M0 CPU. It features up to 256 kB of Flash memory and 32 kB of SRAM, operating at a maximum frequency of 48 MHz. The device includes a 12-bit SAR ADC, four opamps, two low-power comparators, and eight TCPWM blocks. It supports USB Full-Speed device interface, two CAN blocks, and four SCBs for I2C, SPI, or UART communication. Operating voltage ranges from 1.71 V to 5.5 V.

Feature Summary

• Integrates programmable analog and digital subsystems with flexible automatic routing for in-field tuning.
• Includes Capacitive Sigma-Delta (CSD) blocks providing high signal-to-noise ratio and water tolerance.
• Supports segment LCD drive on any pin with up to 64 outputs, functioning in Deep Sleep mode.
• Features low-power modes including Stop, Hibernate, and Deep Sleep with GPIO wakeup capabilities.

Applications

• Industrial and automotive networking using CAN blocks
• Capacitive sensing designs utilizing SmartSense™ technology
• Applications requiring USB Full-Speed device connectivity
• Systems needing programmable analog signal conditioning

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type, temperature range, and tape-and-reel specifications. Ensure compatibility with the PSoC Creator IDE and required development kits such as the CY8CKIT-046 for validation. Confirm RoHS compliance status through the official product documentation before procurement.

Selection Notes

Select this component when design requirements include integrated capacitive sensing, LCD driving, and dual CAN interfaces within a single MCU. The PSoC 4200L family offers upward code compatibility with Cortex-M3/M4 processors. Evaluate power consumption needs against the available Deep Sleep and Hibernate modes. Consider the availability of the PSoC Creator IDE for schematic-based hardware and firmware co-design.

Part Context

This part belongs to the Infineon PSoC™ 4200L family, which combines an Arm Cortex-M0 core with programmable analog and digital blocks. The L-Series variant emphasizes low-power operation and extended feature sets like USB and CAN. It is designed for scalable embedded system controllers requiring reconfigurable logic and mixed-signal capabilities.

Replacement Considerations

Check the PSoC 4200L family selector guide for alternative parts with varying Flash/SRAM sizes or package options. Ensure functional equivalence regarding USB, CAN, and CAPSENSE™ block availability if substituting with other CY8C42xx devices.

FAQ

Does the CY8C4246AZI-L433 support capacitive sensing?

Yes, it includes two Infineon Capacitive Sigma-Delta (CSD) blocks that provide best-in-class SNR and water tolerance, supported by automatic hardware tuning via SmartSense™.

What communication interfaces are available?

The device provides four serial communication blocks (SCBs) configurable for I2C, SPI, or UART, a USB Full-Speed device interface, and two independent CAN blocks.

Can the device operate in low-power modes?

Yes, it supports Sleep, Deep Sleep, Hibernate, and Stop modes. Deep Sleep and Hibernate allow for trade-offs between wakeup time and power consumption, with GPIO wakeup capability in Stop mode.