ST72F321AR9T6TR

Program Memory Size:	60KB (60K x 8)
Base Part Number:	ST72F321
Package / Case:	64-LQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 16x10b
Voltage - Supply (Vcc/Vdd):	3.8 V ~ 5.5 V
RAM Size:	2K x 8
EEPROM Size:	--
Program Memory Type:	FLASH
Series:	ST7
Number of I/O:	48
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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ST72F321AR9T6TR Application Field and Working PrincipleThe ST72F321AR9T6TR microcontrollers are designed to provide high performance and reliability for systems that need it. This type of microcontroller is used in many types of embedded applications, ranging from industrial and automotive systems, to communication, application and home appliances. This type of microcontroller can also be found in set-top boxes and consumer electronics.The ST72F321AR9T6TR microcontroller is based on a 32-bit ARM Cortex-M4 core and provides cost-effective, low-power performance. It is suitable for both low-end and high-end embedded applications. The Cortex-M4 core provides tight integration with interrupts, real-time debugging and instruction set enhancements such as branch prediction, hardware data pre-fetch and floating-point operations. It also features a wide range of integrated peripherals, such as UARTs, CMPs, PWMs and ADC/DACs, to make it suitable for many types of applications.The ST72F321AR9T6TR microcontrollers are available in a range of packages, including BGA, LGA and QFP. In addition, they are available with a range of memory sizes, from 4KB to 64KB. This makes them suitable for many different applications, from small to large embedded designs. The microcontrollers also come with a range of boot modes, from internal Boot ROM to direct flash programming.The ST72F321AR9T6TR microcontrollers have a wide voltage range, from 1.8V to 3.6V. This makes them suitable for a wide range of applications, from low-power to high-power designs. The microcontroller also has a power-saving Sleep mode and a fast wake-up time, which makes it suitable for energy-efficient systems.When it comes to working principle, the ST72F321AR9T6TR microcontroller is based on a superscalar, out-of-order execution processor core, which allows for fast instruction fetch and decode, as well as simultaneous execution of multiple instructions. The microcontroller also has an embedded memory controller, which supports both linear and pipelined burst modes. This allows the microcontroller to access more than one word at a time and improve memory throughput.The ST72F321AR9T6TR microcontroller also features a multi-cycle peripheral interface, which allows for efficient communication with connected peripherals. This is particularly useful for embedded applications where multiple devices need to be connected and monitored. The microcontroller also has enhanced security features, such as encryption, authentication and random number generation.In summary, the ST72F321AR9T6TR microcontroller is a powerful and reliable 32-bit microcontroller, suitable for a wide range of embedded applications. It has an advanced processor core, memory controller and multi-cycle peripheral interface, and offers a wide range of on-chip peripherals. It is available in a range of packages and memory sizes, and offers an impressive range of power management and security features.

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