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The CY8C21434-24LTXI is a high-performance 8-bit microcontroller belonging to the Cypress PSoC™ 1 series. This microcontroller is based on the M8C core, featuring a 24MHz clock speed and 8KB of flash program memory. It integrates a wide range of peripheral functions, making it suitable for various embedded applications.

CY8C21434-24LTXI Features

High-performance core: M8C 8-bit Harvard architecture microprocessor with a maximum clock speed of 24MHz.

Rich peripheral interfaces: Supports multiple communication protocols including I2C, SPI, UART/USART, etc.

Flexible memory configuration:

8KB flash program memory with support for 50,000 erase/write cycles.

512 bytes of SRAM data storage.  

High-precision analogue functionality:

4 E-type analogue PSoC modules, supporting 2 voltage comparators with DACs and 1 or 2 10-bit 28-channel ADCs.  

Programmable digital modules:  

4 digital PSoC modules, supporting 8 to 32-bit timers, counters, and PWM.  

Supports full-duplex UART, SPI master or slave.

Flexible Pin Configuration: All GPIOs support 25mA sink current and 10mA source current.  

Low-Power Design: Supports multiple low-power modes, suitable for applications with high energy efficiency requirements.  

Wide Operating Voltage Range: 2.4V to 5.25V.  

Operating Temperature Range: -40°C to +85°C.

CY8C21434-24LTXI Technical Specifications

Core: M8C 8-bit Harvard architecture

Clock speed: 24MHz

Memory:

Program memory: 8KB Flash

Data memory: 512 bytes SRAM

I/O count: 28

Operating voltage: 2.4V to 5.25V

Package Type: 32-QFN (5×5mm, surface mount)  

Operating Temperature: -40°C to +85°C

Application Scenarios  

The CY8C21434-24LTXI is suitable for a wide range of application scenarios, including but not limited to:  

Industrial Control: Motor control, sensor data acquisition  

Consumer Electronics: Smart home devices, portable electronic devices  

Automotive Electronics: In-vehicle infotainment systems  

Internet of Things (IoT): Smart sensor nodes

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