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Product Detailed Parameters
- Description：IC MCU 8BIT 8KB FLASH 24SQFN
- Series：PSOC™1 CY8C20xxx
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：M8C
- Core Size：8-Bit
- Speed：12MHz
- Connectivity：I2C, SPI
- Peripherals：LVD, POR, WDT
- Number of I/O：20
- 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：24-QFN (4x4)
- Package / Case：24-UFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The CY8C20324-12LQXIT is an 8-bit microcontroller from the Infineon PSoC 1 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 clock speeds up to 12 MHz via an internal main oscillator. It includes configurable CapSense capabilities for capacitive sensing applications.
Feature Summary
- Configurable CapSense analog system supporting buttons, sliders, and proximity sensing without external components
- Integrated I2C slave and SPI master-slave communication interfaces with configurable speeds
- Low power consumption with active current of 1.5 mA at 3.0 V and sleep mode current of 2.8 µA
- Built-in supervisory circuits including low voltage detection (LVD) and power-on reset (POR)
Applications
- Capacitive touch interface designs for multimedia keys
- Proximity sensing applications requiring high noise immunity
- Systems requiring field reprogramming via bootloader support
Procurement Notes
Verify the specific package type and temperature grade against the datasheet ordering information. Confirm that the development environment utilizes PSoC Designer software for configuration. Ensure compatibility with the required I/O drive modes and voltage levels for the target application.
Selection Notes
Select this component when a single-chip solution combining an 8-bit MCU with dedicated capacitive sensing hardware is required. It is suitable for designs needing flexible GPIO configurations and low external component counts. Consider the available flash cycles and memory size relative to application firmware requirements.
Part Context
This part belongs to the CY8C20x24 series of Programmable System-on-Chips. These devices are designed to replace multiple traditional MCU-based system components with a single programmable chip. The architecture integrates configurable analog and digital blocks with a fast CPU and on-chip memory.
Replacement Considerations
Check the CY8C20224, CY8C20424, and CY8C20524 variants within the same datasheet for pin-compatible or functionally similar alternatives. Verify package availability and ensure any substitute maintains the required CapSense channel count and memory specifications.
