Infineon Technologies CY8C4247BZI-L479

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Product attributes Property Value
Manufacturer Infineon Technologies
Product Series PSOC™ 4 CY8C42xx-L
Packaging Tray |
Core Processor ARM® Cortex®-M0
Core Size 32-Bit Single-Core
Speed 48MHz
Connectivity I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART, USB
Peripherals Brown-out Detect/Reset, CapSense, DMA, LCD, LVD, POR, PWM, SmartSense, WDT
Number of I/O 98
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 16K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 5.5V
Data Converters A/D 16x12b; D/A 2x7b, 2x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 124-VFBGA (9x9)
Package / Case 124-VFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Infineon CY8C4247BZI-L479 is a PSoC 4 series microcontroller built around a 48MHz ARM Cortex-M0 core. It provides 128KB flash and 16KB SRAM, with a supply range of 1.71V to 5.5V. Integrated CapSense and SmartSense technology deliver advanced touch sensing, while programmable analog and digital blocks offer design flexibility. Housed in a 124-VFBGA package, it suits space-constrained industrial and consumer applications.

  • Integrated CapSense: Eliminates external touch ICs, reducing component count and design complexity.
  • Wide Voltage Range (1.71V-5.5V): Supports both 3.3V and 5V systems, simplifying power supply design.
  • 48MHz ARM Cortex-M0: Provides efficient processing for real-time control tasks with low power consumption.
  • 128KB Flash / 16KB RAM: Ample memory for complex applications and over-the-air updates.

Industrial Human-Machine Interfaces (HMI)

With integrated CapSense and SmartSense, the CY8C4247BZI-L479 enables robust touch buttons, sliders, and proximity sensors without external components, reducing BOM cost.

Portable Medical Devices

The low 1.71V operation and 48MHz Cortex-M0 core allow battery-powered glucose meters and pulse oximeters to process sensor data efficiently while maintaining long battery life.

Smart Home Controllers

Its 128KB flash and 16KB RAM support complex firmware for lighting control, thermostat panels, and security keypads, with LCD drive capability for local displays.

Motor Control for Small Appliances

PWM modules and DMA enable smooth brushless DC motor control in fans and pumps, while WDT and LVD ensure safe operation under voltage fluctuations.

Automotive Interior Lighting

The wide voltage range and -40°C to 85°C temperature tolerance make it suitable for ambient lighting modules with touch dimming controls.

IoT Sensor Nodes

Combining analog sensing, DMA for data streaming, and low-power modes, this MCU can aggregate environmental data and communicate via external radios.

Q: What is the operating voltage range of the CY8C4247BZI-L479?
A: It operates from 1.71V to 5.5V, supporting flexible power designs.
Q: Does this MCU support capacitive sensing?
A: Yes, it includes CapSense and SmartSense technology for reliable touch interfaces.
Q: What package is available?
A: It comes in a 124-VFBGA package, ideal for compact PCB layouts.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M0 core runs up to 48MHz.
Base Product Number : CY8C4247BZI
124-VFBGA 128KB flash 32-bit MCU 48MHz ARM Cortex-M0 CapSense industrial HMI IoT low power PSoC 4 touch sensing
Q: What is the operating voltage range of the CY8C4247BZI-L479?
A: It operates from 1.71V to 5.5V, supporting flexible power designs.
Q: Does this MCU support capacitive sensing?
A: Yes, it includes CapSense and SmartSense technology for reliable touch interfaces.
Q: What package is available?
A: It comes in a 124-VFBGA package, ideal for compact PCB layouts.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M0 core runs up to 48MHz.