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The R5F21334CNFP is a 16-bit microcontroller based on the R8C core and belongs to the R8C/3x/33C series. The R5F21334CNFP is a 16-bit microcontroller based on the R8C core and belongs to the R8C/3x/33C series. It is suitable for a wide range of embedded applications because of its high-speed processing capability, rich peripheral functionality and low power consumption.

R5F21334CNFP Product Features

High-performance processor: Adopting R8C 16-bit core, the maximum operating frequency is up to 20MHz, providing powerful processing capability.

Storage capacity: Built-in 16KB Flash (16K×8) and 1.5KB RAM (1.5K×8) to meet the storage requirements of general embedded applications.

Rich peripheral interfaces: 3-channel UART/Clock synchronous serial interface, 1-channel I2C bus interface/synchronous serial communication unit, 1-channel LIN module, etc., to meet a variety of communication needs.

Data conversion function: Equipped with 12-channel 10-bit A/D converter and 2-channel 8-bit D/A converter for various analogue signal processing scenarios.

Powerful timer function: 8-bit multi-function timer (with 8-bit prescaler), 16-bit input capture/output comparison timer, 8-bit real-time clock timer, etc., to meet complex timing requirements.

Low-power design: The operating voltage range of 1.8V to 5.5V is suitable for battery-powered devices, which can significantly extend battery life.

High reliability: Various protection functions, such as oscillation stop detection, voltage detection, watchdog timer, etc., ensure stable system operation.

Package: 32-LQFP package with 7mm x 7mm size for easy integration in various applications.

R5F21334CNFP Technical Specifications

Data bus width: 16 bits

Program memory capacity: 16KB (16K x 8) Flash memory

RAM capacity: 1.5KB×8

Interface type: CSI/I2C/LIN/UART

Maximum operating frequency: 20MHz

Package: LQFP-32

Number of I/O: 27

Operating temperature range: - 20°C to 85°C

Supply Voltage: 1.8V to 5.5V

R5F21334CNFP Application Areas

Industrial control: Used in motor drives, sensor data acquisition and processing, industrial automation equipment, etc. Its powerful timer and A/D conversion functions enable precise control and monitoring of industrial processes.

Consumer Electronics: Suitable for smart home appliances, portable audio devices, etc. Its low-power design helps to extend battery life, and its rich peripheral interfaces can realise a variety of functions.

Automotive electronics: Can be used in automotive body control, instrument panels, infotainment systems, etc., to meet the requirements of automotive electronics for reliability and communication capabilities.

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