ARM Microcontrollers – MCU 32KB Flash 4KB SRAM PSoC 4

CY8C4245AXI-483 – 32-bit ARM Cortex-M0 Microcontroller – Infineon Technologies

Optimize your embedded designs with the Infineon CY8C4245AXI-483, a versatile 32-bit microcontroller featuring ARM Cortex-M0 processing and PSoC™ 4 architecture. This energy-efficient IC delivers robust performance for complex applications while operating across a wide voltage range (1.71V–5.5V). PCX exclusively supplies genuine Infineon components with same-day shipping and dedicated technical support.

Key Features

• 32-bit ARM® Cortex®-M0 Core @ 48MHz processing speed
• 32KB FLASH + 4KB SRAM memory configuration
• Ultra-wide voltage range: 1.71V to 5.5V operation
• 36 programmable I/O pins with CapSense® touch support
• Industrial temperature range: -40°C to 85°C
• Integrated peripherals: 12-bit ADC, dual IDAC, PWM, and communication interfaces

Technical Specifications

This surface-mount IC comes in a 44-LQFP package (10x10mm) with advanced connectivity including I2C, SPI, UART, LINbus, and SmartCard interfaces. The PSoC™ 4 architecture enables hardware reconfiguration through programmable analog and digital blocks. On-chip features include brown-out detection, LCD drive capability, low-voltage detection, and watchdog timer. Internal oscillator eliminates external clock components.

Typical Applications

• Industrial automation controllers and HMI systems
• Consumer touch interfaces and home appliances
• IoT edge devices and sensor hubs
• Medical handheld instruments
• Motor control systems

About Infineon Technologies

Infineon Technologies is a global semiconductor leader with over 50 years of innovation in power systems and IoT solutions. Their PSoC™ programmable system-on-chip architecture sets industry standards for integration flexibility, enabling designers to create customized analog/digital peripherals without external components.

Infineon maintains rigorous quality certifications (AEC-Q100, ISO/TS 16949) across manufacturing facilities. Their commitment to automotive-grade reliability makes CY8C42xx series microcontrollers preferred solutions for mission-critical applications worldwide, backed by comprehensive development tools and documentation.

About Microcontrollers

Microcontrollers (MCUs) serve as embedded brains in electronic systems, integrating processor cores, memory, and programmable I/O on a single chip. Modern MCUs like Infineon’s PSoC™ devices enable hardware customization that traditionally required multiple ICs, reducing board space and BOM costs.

The ARM Cortex-M0 core delivers 32-bit efficiency at 8-bit price points, ideal for power-sensitive designs. MCUs with wide voltage ranges (1.71V–5.5V) simplify power architecture in battery-operated devices while supporting legacy 5V systems. Industrial temperature tolerance ensures reliability in harsh environments from factory floors to automotive systems.

Packaging Options

Available in protective tray packaging for automated assembly. Contact PCX for reel options and volume pricing.

Frequently Asked Questions

Q: Does this microcontroller support capacitive touch interfaces?
A: Yes, the integrated CapSense® technology enables robust touch sensing without external components.

Q: What development tools support the CY8C4245AXI-483?
A: Infineon provides free PSoC™ Creator IDE with drag-and-drop peripheral configuration and code examples.

Q: Can it operate at 3.3V and 5V simultaneously?
A: The entire device operates at a single supply voltage between 1.71V–5.5V; mixed voltages require level shifters.

Q: Is the internal oscillator calibration sufficient for UART communication?
A: Yes, the precision internal oscillator maintains ±1% accuracy for standard UART baud rates.

Q: How does PSoC™ differ from traditional MCUs?
A: Configurable analog/digital blocks allow creating custom peripherals (op-amps, counters, etc.) through firmware.

Q: What certifications does this IC hold for industrial use?
A: It meets AEC-Q100 automotive and industrial standards for reliability in demanding environments.

▶ Datasheets & design resources: [View on PCXCo.com]

Product images may differ from actual unit; refer to datasheets for specifications.

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