ST72F325J7T6TR

Program Memory Size:	48KB (48K x 8)
Base Part Number:	ST72F325
Package / Case:	44-LQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 12x10b
Voltage - Supply (Vcc/Vdd):	3.8 V ~ 5.5 V
RAM Size:	1.5K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Series:	ST7
Number of I/O:	32
Peripherals:	LVD, POR, PWM, WDT
Connectivity:	I²C, SCI, SPI
Speed:	8MHz
Core Size:	8-Bit
Core Processor:	ST7
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The ST72F325J7T6TR is a 16-bit microcontroller integrated in a very small plastic package composed by 5x5x1.4 mm dimensions. This microcontroller family integrates a large range of peripherals and dedicated technologies to allow the user to have tailor made solutions for his specific application, depending on his needs. The ST72F325J7T6TR provides an extremely low power consumption level and a high performance ratio. The microcontroller contains up to 64KBytes of programming memory, 2KBytes of RAM memory and multi-channel 10-bit A/D converters. It also offers integrated USB 2.0 support for data transfers. Furthermore, the package of ST72F325J7T6TR has an embedded 80-MHz 8051 compatible RISC Core, allowing fast and accurate operations.

Application Field

The ST72F325J7T6TRis suitable for a wide range of applications, and it is especially suitable for applications requiring low power consumption, high performance and small physical size. As an embedded microcontroller, it is used in control applications such as automotive, industrial and consumer applications. More specifically, these include:

• Home appliances control, such as washing machines and dishwashers.
• Small industrial robots.
• Medical equipments.
• Electric cars.
• Industrial automation.
• Video surveillance systems.
• Security products and alarm systems.
• Slim mobile devices.

The ST72F325J7T6TR is the perfect choice for developers needing to create a wearable device, as it does not require too much power and is small in size. Moreover, the ST72F325J7T6TR microcontroller comes with a wide range of peripherals and it has a large variety of embedded communication interface (USB, UART, I2C, and SPI).

Working Principle

The ST72F325J7T6TR embedded microcontroller executes high-level programming language instructions, like C and assembly language, to control electronic behavior in the embedded system applications. The microcontroller has 14kB of program memory, 2kB of data memory and 80kB of program memory. It executes instructions in fewer machine cycles and can reach up to 80 MHz clock frequency. It also provides a special interrupt priority structure and 16-bit timer, capture, and compare functions as well as analog comparators. It also contains eight channels of 10-bit analog to digital converters.The ST72F325J7T6TR microcontroller executes instructions and reads or writes data in its internal memories, data registers and peripherals. The microcontroller\'s oscillator uses quartz crystal for its reference. Its input and output ports is used to receive input signals from external devices and send output commands to the peripherals. The ST72F325J7T6TR embedded microcontroller communicates with external devices using several types of communication interfaces like SPI, I2C and USB. The SPI interface is used to communicate with high-speed devices like memory cards, while the I2C interface is used to communicate with slower devices like temperature sensors. The USB interface is used to connect with a computer or other electronic devices.

Conclusion

The ST72F325J7T6TR microcontroller is a cost effective, small and high performing embedded microcontroller that is perfectly suitable for low-power consumer applications, industrial and automotive applications. Its integrated USB, UART, I2C and SPI interfaces, along with its powerful embedded 16-bit RISC core and its multi-channel 10-bit A/D converters, make it an excellent choice for developers looking for performance, reliability, and low power consumption in a small package.

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