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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series PSOC® 4 CY8C4000S
Packaging Bulk |
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit Single-Core
Speed 24MHz
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 19
Program Memory Size 32KB (32K 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 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 24-QFN (4x4)
Package / Case 24-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The CY8C4025LQI-S411 is a 24MHz ARM Cortex-M0+ based PSoC 4 microcontroller with 32KB flash and 4KB RAM. It operates from 1.71V to 5.5V and integrates CapSense, LCD, LVD, POR, PWM, and WDT. The 24-UFQFN package is ideal for advanced human-machine interfaces.

  • Integrated CapSense: Eliminates external touch controller.
  • Wide voltage range: 1.71-5.5V for versatile power designs.
  • ARM core: Industry-standard architecture with rich ecosystem.
  • Multi-function: LCD, PWM, and analog in one chip.

Touch Interfaces

Integrated CapSense enables capacitive buttons and sliders without external ICs.

LCD Displays

Built-in LCD driver supports segment displays for consumer panels.

Industrial Sensors

Wide 1.71-5.5V range interfaces with 3.3V and 5V sensors.

Portable Medical

Low power ARM core extends battery life in glucose meters.

Smart Home

24MHz speed and 32KB flash handle Zigbee gateway preprocessing.

Automotive HMI

-40 to 85°C and CapSense suit dashboard touch controls.

Q: What core does it use?
A: ARM Cortex-M0+.
Q: What is the speed?
A: 24MHz.
Q: What is the voltage range?
A: 1.71V to 5.5V.
Q: Does it support CapSense?
A: Yes.
Q: What package?
A: 24-UFQFN.
Base Product Number : CY8C4025
24-UFQFN 24MHz 32-bit MCU 32KB Flash ARM Cortex-M0+ CapSense CY8C4025LQI-S411 Cypress HMI Infineon LCD PSoC 4 touch
Q: What core does it use?
A: ARM Cortex-M0+.
Q: What is the speed?
A: 24MHz.
Q: What is the voltage range?
A: 1.71V to 5.5V.
Q: Does it support CapSense?
A: Yes.
Q: What package?
A: 24-UFQFN.