CY8C4246AZA-M445

Overview

The CY8C4246AZA-M445 is an ARM Cortex-M0 microcontroller from the Infineon PSoC 4200M series. It features a 32-bit data bus, 64 kB of program memory, and 8 kB of SRAM. The device operates at a maximum clock frequency of 48 MHz with a supply voltage range of 1.71 V to 5.5 V. It includes a 12-bit ADC, 51 I/O pins, and interfaces such as I2C, SPI, and UART. Packaged in a TQFP-64 format, it supports industrial temperatures from -40°C to +85°C.

Feature Summary

• Integrates programmable analog blocks for mixed-signal applications
• Supports capacitive sensing (CAPSENSE) functionality
• Includes LCD direct drive capabilities
• Features multiple serial communication blocks

Applications

• Industrial control systems
• Smart home appliances
• Battery-powered devices
• Human-machine interface panels

Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels. Confirm package integrity and moisture sensitivity level handling requirements before assembly. Check for specific automotive qualification status if required by application standards. Ensure ordering suffixes match exact pinout and temperature grade specifications.

Selection Notes

Select this model for designs requiring low power consumption combined with flexible analog signal processing. The PSoC architecture allows customization of digital and analog peripherals. Consider the 64 kB flash size for firmware complexity. Evaluate the 51 available GPIOs against system connectivity needs. Verify voltage compatibility with the 1.71 V to 5.5 V operating range.

Part Context

This component belongs to the Infineon PSoC 4200M family, designed for cost-sensitive embedded applications. It combines a high-performance CPU with configurable analog and digital blocks. The series targets applications needing flexibility without complex external components. It serves as a versatile solution for general-purpose microcontroller tasks.

Replacement Considerations

Check for equivalent part numbers within the PSoC 4200M series that offer compatible pinouts and memory sizes. Verify if alternative packages like LQFP are acceptable for the design. Ensure any substitute maintains the same ARM Cortex-M0 core performance and peripheral configuration.