CY8C4245AZS-M445T

Overview

The CY8C4245AZS-M445T is an ARM Cortex-M0 microcontroller within the PSoC 4200M series. It features a maximum clock frequency of 48 MHz, 32 kB of Flash program memory, and 4 kB of SRAM data RAM. The device includes one 12-bit SAR ADC operating at up to 1 MSPS, two low-power comparators, and eight TCPWM blocks. It provides 38 general-purpose I/O pins and supports interfaces including I2C, SPI, and UART. Operating voltage ranges from 1.71 V to 5.5 V across a temperature range of -40 °C to 105 °C.

Feature Summary

• Integrates programmable analog blocks with a 12-bit SAR ADC and dual low-power comparators for signal conditioning.
• Supports capacitive sensing (CapSense) functionality for touch interface applications.
• Includes dedicated hardware blocks for LCD direct drive and multiple serial communication controllers.

Applications

• Battery-powered portable devices requiring low power consumption
• Industrial control systems utilizing programmable analog signals
• Consumer electronics with capacitive touch interfaces

Procurement Notes

Verify the specific suffix M445T against official Infineon documentation to confirm package type and tape-and-reel configuration. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the JTAG ID 0x11E0 to validate silicon revision. Confirm moisture sensitivity level handling procedures prior to soldering.

Selection Notes

Select this model when a balance of analog precision and digital processing is required in a compact form factor. The 48 MHz speed suits moderate complexity logic tasks. The wide supply voltage range facilitates integration into various power domains without additional regulation stages.

Part Context

This component belongs to the PSoC 4200M family, designed for cost-sensitive embedded applications. It combines a standard ARM Cortex-M0 core with configurable analog and digital peripherals on a single chip, reducing external component count compared to discrete solutions.

Replacement Considerations

Check CY8C4245AZI-M445 for pin-compatible alternatives with different packaging. Verify CY8C4246AZS-M445 if increased memory capacity is needed while maintaining similar peripheral sets.