EmbeddedRelated.com
The 2026 Embedded Online Conference
    Parts   Microcontrollers    CY8C4245AXI-483
CY8C4245AXI-483

IFXCY8C4245AXI-483

Infineon Technologies
ARM® Cortex®-M0 PSOC™ 4 CY8C42xx Microcontroller IC 32-Bit 48MHz 32KB (32K x 8) FLASH 44-TQFP (10x10)
Active6,204 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The Infineon CY8C4245AXI-483 is an ARM Cortex-M0 based PSoC 4 microcontroller operating at up to 48MHz. It integrates 32KB of Flash and 4KB of RAM, along with a configurable analog and digital peripheral set. This device is designed for embedded applications requiring flexible I/O and integrated features.

Why Choose This Part

This PSoC 4 offers significant design flexibility with its configurable analog and digital blocks, allowing for custom peripheral integration. The integrated CapSense technology simplifies touch interface design, while the ARM Cortex-M0 core provides a balance of performance and power efficiency. Its various low-power modes are ideal for battery-sensitive applications.

Applications

Capacitive Sensing Interfaces
Utilize the integrated CapSense technology for touch buttons, sliders, and proximity sensors in user interfaces, reducing external component count.
Low-Power Portable Devices
Leverage multiple low-power modes like Sleep, Deep Sleep, Hibernate, and Stop to extend battery life in portable and handheld applications.
Industrial Control Panels
Implement simple control logic and interface with sensors and actuators using the flexible GPIO, I2C, SPI, and UART peripherals.
Smart Appliance Control
Manage various functions within small and medium appliances, including LCD segment drive and sensor data acquisition using the 8x12-bit SAR ADC.
Human Machine Interface (HMI)
Develop cost-effective HMI solutions using the on-chip CapSense and LCD drive capabilities for intuitive user interaction.

Key Specifications

Speed 48MHz
RAM Size 4K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, CapSense, LCD, LVD, POR, PWM, WDT
Connectivity I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
Mounting Type Surface Mount
Number of I/O 36
Core Processor ARM Cortex-M0
Package / Case 44-LQFP
Data Converters A/D 8x12b SAR; D/A 2xIDAC
Oscillator Type Internal
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) 1.71V ~ 5.5V

Getting Started

Development for the PSoC 4 family typically uses Infineon's ModusToolbox software environment, which includes IDE, compilers, and debuggers. Evaluation kits like the PSoC 4 Pioneer Kit provide a quick way to begin prototyping and experimenting with the device's features. The integrated SWD interface facilitates easy debugging.

Also Consider

CY8C4245LQI-483 IFXInfineon Technologies - This is a variant with a different package (48-QFN) but similar core specifications, offering an alternative form factor.
STM32F030C8T6 STMicroelectronics - An alternative ARM Cortex-M0 microcontroller with 64KB Flash and 16KB RAM, offering a different ecosystem for general-purpose applications.

Categories

Microcontrollers
The 2026 Embedded Online Conference