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The MSP430G2533IRHB32R is a 16-bit ultra-low-power microcontroller (MCU) developed by Texas Instruments, part of the MSP430G2xx series, and packaged in a 32-VFQFN (5x5mm) package. This chip is based on the MSP430 CPU16 core, operates at a clock speed of 16MHz, and integrates 16KB of Flash memory and 512B of RAM. It also features a 10-bit ADC, UART, SPI, I2C, and other communication interfaces, making it suitable for low-power embedded applications such as portable devices, sensor systems, and industrial control.

Specifications

Model: MSP430G2533IRHB32R

Core: MSP430 CPU16 (16-bit RISC)

Clock speed: 16MHz

Flash memory: 16KB (16K x 8)

RAM capacity: 512B

ADC: 10-bit 8-channel (200ksps)

GPIO Count: 24  

Communication Interfaces: I2C, SPI (x2), UART, IrDA  

Timers: 2×16-bit (supports PWM)  

Package: 32-VFQFN (5x5mm)  

Operating Temperature: -40°C to +85°C

MSP430G2533IRHB32R Typical Applications

Portable Devices: Smartwatches, medical sensors, wireless remote controls.  

Industrial Control: PLC modules, motor control, data acquisition systems.  

Consumer Electronics: Smart home control, low-power keyboards, LED dimming.  

Automotive Electronics: Body Control Modules (BCM), battery monitoring (some models comply with AEC-Q100).  

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