CY8C4246AZI-L435

Overview

The CY8C4246AZI-L435 is a PSoC™ 4200L microcontroller based on the Arm® Cortex®-M0 CPU, operating at up to 48 MHz. It features up to 256 kB of Flash memory and 32 kB of SRAM. The device includes a 12-bit SAR ADC, four opamps, two low-power comparators, and two Capacitive Sigma-Delta (CSD) blocks for sensing. It supports USB Full-Speed device interface, two CAN blocks, and four serial communication blocks (SCBs). The MCU offers eight TCPWM blocks and up to 98 programmable GPIOs, with operation voltage ranging from 1.71 V to 5.5 V.

Feature Summary

• Integrates programmable analog and digital subsystems allowing flexible in-field tuning and reconfigurable logic.
• Supports capacitive sensing with best-in-class signal-to-noise ratio and water tolerance via dedicated CSD blocks.
• Enables low-power operation with multiple modes including Stop, Deep Sleep, and Hibernate with GPIO wakeup capabilities.
• Provides comprehensive connectivity through USB Full-Speed, CAN, and configurable serial communication interfaces.

Applications

• Industrial control systems requiring robust analog processing and communication protocols.
• Automotive networking applications utilizing CAN bus interfaces.
• Consumer devices featuring capacitive touch user interfaces.
• Battery-powered embedded systems leveraging deep sleep power modes.

Procurement Notes

Verify the specific package type and temperature grade corresponding to the suffix 'L435' against the official Infineon ordering guide. Confirm that the selected variant meets the required environmental specifications for your application. Ensure compatibility with the PSoC Creator IDE version used for firmware development. Check for any specific RoHS or compliance documentation associated with this part number revision.

Selection Notes

Select this component when design flexibility is prioritized over fixed-function peripherals. The PSoC architecture allows hardware customization without changing silicon. Consider the available GPIO count and memory size relative to application requirements. Evaluate the need for programmable analog blocks versus standard fixed-function MCUs. Ensure the development team is proficient with the PSoC Creator environment for optimal utilization of the platform.

Part Context

This device belongs to the PSoC™ 4200L family, which is designed for low-power, high-performance embedded applications. It shares the core Cortex-M0 architecture with other PSoC 4 variants but emphasizes low-power features and extensive analog/digital programmability. The L-series typically denotes specific package or temperature characteristics within the broader PSoC 4 portfolio.

Replacement Considerations

Direct substitutes may include other CY8C42xx series parts with similar memory and peripheral configurations. Verify pinout compatibility if replacing in an existing design. Cross-reference with CY8C4246AXI or CY8C4246AZA variants for functional equivalence, ensuring package and electrical specifications match exactly.

FAQ

Does the CY8C4246AZI-L435 support capacitive sensing?

Yes, it includes two Infineon Capacitive Sigma-Delta (CSD) blocks designed for high-performance capacitive sensing with automatic hardware tuning.

What is the maximum operating frequency of the CPU?

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

Can the device operate in deep sleep mode?

Yes, the device supports Deep Sleep mode, which allows for significant power savings while maintaining the ability to wake up via interrupts or timers.