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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 32QFN
- Series：PSOC™1 CY8C20xxx
- Mfr：Infineon Technologies
- Package：Tray,Tray
- Core Processor：M8C
- Core Size：8-Bit
- Speed：12MHz
- Connectivity：I2C, SPI
- Peripherals：LVD, POR, WDT
- Number of I/O：28
- Program Memory Size：8KB (8K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：512 x 8
- Voltage - Supply (Vcc/Vdd)：2.4V ~ 5.25V
- Data Converters：-
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-QFN (5x5)
- Package / Case：32-UFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The CY8C20424-12LQXI is an 8-bit microcontroller from the Infineon PSoC CapSense family, utilizing the M8C core. It features 8 KB of Flash program storage and 512 bytes of SRAM data memory. The device operates within a voltage range of 2.4 V to 5.25 V and supports a maximum clock frequency of 12 MHz. It includes up to 28 general-purpose I/O pins and integrates a configurable CapSense analog system for capacitive sensing applications.
Feature Summary
- Integrates a dedicated CapSense block for hardware-based capacitive sensing without external components
- Supports configurable capacitive buttons, sliders, and proximity sensing with high noise immunity
- Includes internal oscillators eliminating the need for external crystal or oscillator components
- Features a low dropout regulator (LDO) and integrated supervisory circuits for system stability
Applications
- Capacitive touch button interfaces
- Proximity sensing systems
- Slider control applications
- Multimedia keypads
Procurement Notes
Verify the specific ordering suffix matches the required package type and temperature grade. Confirm that the component is sourced from authorized distributors to ensure authenticity. Check for any recent lifecycle status updates regarding availability or obsolescence before finalizing procurement plans.
Selection Notes
Select this model when an 8-bit MCU with integrated capacitive sensing is required. Ensure the application voltage falls between 2.4 V and 5.25 V. Verify that the 8 KB Flash and 512-byte SRAM meet the memory requirements. Confirm that the QFN-32 package fits the board layout constraints.
Part Context
This component belongs to the CY8C20x24 series of PSoC devices. It shares architectural similarities with the CY8C20224, CY8C20324, and CY8C20524 models. The primary distinction lies in the package configuration and pin count, with the CY8C20424 offering a 32-pin QFN option for expanded I/O capabilities.
Replacement Considerations
Direct replacements include other members of the CY8C20x24 family such as the CY8C20224, CY8C20324, and CY8C20524, provided the package and pinout compatibility are verified.
