CY8C4246AZI-L445

Overview

The CY8C4246AZI-L445 is a PSoC 4200L microcontroller based on the Arm Cortex-M0 core, operating at up to 48 MHz. It features 64 kB of Flash memory and 8 kB of SRAM within a 64-pin TQFP package. The device includes a 12-bit SAR ADC with one channel, two low-power comparators, four Serial Communication Blocks (SCBs), eight TCPWM modules, and CapSense technology. It supports USB Full-Speed client controller functionality and operates across a voltage range of 1.71 V to 5.5 V.

Feature Summary

• Integrates programmable analog blocks including opamps and comparators that operate in Deep Sleep mode for low power consumption.
• Provides flexible digital logic through Universal Digital Blocks (UDBs) allowing custom peripheral creation and automatic routing.
• Supports capacitive sensing applications via dedicated Sigma-Delta blocks with automatic hardware tuning capabilities.
• Includes multiple communication interfaces such as I2C, SPI, UART, and USB Full-Speed device interface.

Applications

• Battery-powered portable devices requiring low power modes
• Industrial control systems utilizing CAN or serial communication
• Consumer electronics with LCD segment drive requirements
• Human-machine interfaces incorporating capacitive touch sensors

Procurement Notes

Verify the specific ordering suffix L445 corresponds to the 64-pin TQFP package and commercial temperature range during procurement. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the selected variant matches the required memory configuration and peripheral availability for your design.

Selection Notes

Select this component when a scalable platform combining programmable analog and digital resources is required. Consider the PSoC 4200L family for designs needing in-field tunability and high integration density. Evaluate the available GPIO count and specific peripheral combinations against application constraints before finalizing the part number.

Part Context

This device belongs to the Infineon PSoC 4200L family, which extends the PSoC 4 architecture with enhanced low-power features. The L-Series is optimized for battery-operated applications while maintaining compatibility with the broader PSoC 4 ecosystem. It shares the same development environment and toolchain as other members of the PSoC 4 family.

Replacement Considerations

Check for pin-compatible alternatives within the CY8C42xx series that offer different memory sizes or package options. Verify functional equivalence regarding peripheral counts and clock speeds if substituting with other PSoC 4 variants. Consult official documentation for any changes in electrical specifications or software compatibility.

FAQ

Does the CY8C4246AZI-L445 support USB connectivity?

Yes, it includes a USB Full-Speed device interface capable of 12 Mbits/second with Battery Charger Detect capability.

What is the maximum operating frequency of the CPU?

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

Can the analog peripherals function in low-power modes?

Yes, the opamps and comparators can operate in Deep Sleep mode to minimize current consumption.