CY8C4246LTI-M445

Overview

The CY8C4246LTI-M445 is an ARM Cortex-M0 microcontroller from the PSoC 4200M series, manufactured by Infineon Technologies. It features a 32-bit data bus and operates within a supply voltage range of 1.71 V to 5.5 V. The device integrates 64 kB of Flash program memory and 8 kB of SRAM data RAM. It supports a maximum clock frequency of 48 MHz and provides 55 general-purpose I/O pins. Key peripherals include a single-channel 12-bit ADC, eight timers/counters, and standard communication interfaces such as I2C, SPI, and UART. The component is housed in a QFN-68 package and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates programmable analog capabilities alongside digital processing for mixed-signal applications
• Combines ARM Cortex-M0 core with flexible PSoC configurable logic blocks
• Supports wide input voltage ranges suitable for diverse power supply environments

Applications

• Battery-powered portable devices requiring low power consumption
• Industrial control systems utilizing programmable analog signal conditioning
• Consumer electronics with mixed-signal interface requirements

Procurement Notes

Verify the specific suffix M445 against official Infineon documentation to confirm pinout and package variations. Ensure compatibility with required operating temperatures and voltage levels. Check for moisture sensitivity classification and reflow soldering profile requirements during assembly planning. Confirm RoHS compliance status through current manufacturer datasheets before finalizing procurement specifications.

Selection Notes

Select this model when a balance of processing speed and analog flexibility is needed. The Cortex-M0 core offers efficient code execution for simple control tasks. The PSoC architecture allows customization of peripheral configurations. Consider the 64 kB memory limit for application complexity. Evaluate the 48 MHz clock speed against real-time processing demands.

Part Context

This component belongs to the PSoC 4200M family, designed for cost-sensitive embedded applications. It bridges the gap between pure digital MCUs and complex SoCs by offering configurable analog blocks. The QFN-68 package provides a compact footprint for space-constrained designs. It serves as a foundational controller for IoT nodes and smart sensors.

FAQ

What is the maximum operating frequency of the CY8C4246LTI-M445?

The maximum clock frequency is 48 MHz.

Does this MCU support USB connectivity?

No, the documented interfaces are I2C, SPI, and UART. USB is not listed for this specific part number.

How many analog-to-digital converter channels are available?

The device includes one single-channel 12-bit ADC.