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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series PSOC® 4 CY8C42xx
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
Peripherals Brown-out Detect/Reset, CapSense, LCD, LVD, POR, PWM, WDT
Number of I/O 34
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 5.5V
Data Converters A/D 8x12b SAR; D/A 2xIDAC
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 40-QFN (6x6)
Package / Case 40-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Cypress CY8C4244LQI-443 is a 32-bit ARM Cortex-M0 MCU operating at 48MHz. It provides 16KB flash and 4KB RAM, with a supply voltage from 1.71V to 5.5V. Packaged in a 40-UFQFN with exposed pad, it integrates CapSense, LCD, LVD, POR, PWM, and WDT for advanced embedded applications.

  • 48MHz Cortex-M0 – high performance for real-time processing.
  • CapSense and LCD in one chip – reduces external components.
  • Exposed pad UFQFN – improves thermal management in compact designs.
  • Ultra-low voltage (1.71V) – extends battery life in portable devices.

Wearable Health Monitors

The 48MHz core processes biometric signals, while the small UFQFN package fits wristbands.

Smart Lighting Controllers

PWM outputs drive LED drivers, and CapSense enables touch dimming.

Industrial Keypads

CapSense provides robust touch detection in dusty environments.

Portable Gaming Devices

High-speed Cortex-M0 handles graphics and input processing efficiently.

Home Automation Hubs

1.71V operation allows direct battery power, and 16KB flash stores network protocols.

Medical Diagnostic Tools

LVD and POR ensure reliable operation in critical measurement devices.

Q: What is the maximum speed of this MCU?
A: The ARM Cortex-M0 core runs at up to 48MHz.
Q: How much flash memory is available?
A: It has 16KB of flash and 4KB of RAM.
Q: What package does it come in?
A: It is housed in a 40-UFQFN exposed pad package.
Q: Does it support CapSense?
A: Yes, it includes CapSense and LCD drive capabilities.
Base Product Number : CY8C4244LQI-443
16KB flash 32-bit MCU 48MHz 4KB RAM ARM Cortex-M0 CapSense LCD LVD POR portable PWM UFQFN-40 WDT wearable
Q: What is the maximum speed of this MCU?
A: The ARM Cortex-M0 core runs at up to 48MHz.
Q: How much flash memory is available?
A: It has 16KB of flash and 4KB of RAM.
Q: What package does it come in?
A: It is housed in a 40-UFQFN exposed pad package.
Q: Does it support CapSense?
A: Yes, it includes CapSense and LCD drive capabilities.