CY8C4247AXI-M485

Overview

The CY8C4247AXI-M485 is a 32-bit microcontroller from the PSoC 4200M series, featuring an ARM Cortex-M0 processor with a maximum clock frequency of 48 MHz. It integrates 128 KB of Flash memory and 16 KB of SRAM. The device includes one SAR ADC with 12-bit resolution at 806 ksps, two comparators, and CapSense technology. It offers 51 GPIO pins, eight Timer/Counter/PWM modules, four serial communication blocks, and eight DMA channels. Operating voltage ranges from 1.71 V to 5.5 V, with a temperature range of -40°C to 85°C.

Feature Summary

• Integrates programmable analog and digital peripherals for system-level integration
• Supports CapSense touch sensing capabilities for user interface applications
• Includes multiple serial communication interfaces and DMA channels for efficient data handling

Applications

• Industrial control systems requiring programmable analog functions
• IoT end-node devices utilizing low-power wireless connectivity
• Portable instruments needing precise analog-to-digital conversion
• Consumer electronics incorporating capacitive touch controls

Procurement Notes

Verify the specific suffix M485 against official Infineon documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the TQFP-48 package. Cross-reference RoHS compliance status with current manufacturer declarations before procurement.

Selection Notes

Select this component when a balance of processing speed and analog flexibility is required. The PSoC architecture allows customization of peripheral configurations, reducing external component count. Consider the 48 MHz performance limit and 128 KB memory size relative to firmware requirements.

Part Context

This part belongs to the PSoC 4200M family, designed for cost-sensitive embedded applications. It combines a standard ARM core with Cypress's proprietary programmable logic fabric. The series targets applications where analog signal conditioning and digital control must coexist on a single chip.

Replacement Considerations

Check for direct pin-compatible upgrades within the CY8C42xx series. Verify if higher-memory variants like CY8C4248 or CY8C4249 meet code space needs without redesigning the hardware layout.