AT91SAM7X256C-AUR Integrated Circuits (ICs)

Program Memory Type:	FLASH
Base Part Number:	AT91SAM7X256
Supplier Device Package:	100-LQFP (14x14)
Package / Case:	100-LQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 8x10b
Voltage - Supply (Vcc/Vdd):	1.65 V ~ 1.95 V
RAM Size:	64K x 8
EEPROM Size:	--
Series:	SAM7X
Program Memory Size:	256KB (256K x 8)
Number of I/O:	62
Peripherals:	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity:	CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB
Speed:	55MHz
Core Size:	16/32-Bit
Core Processor:	ARM7®
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Embedded – Microcontrollers

The AT91SAM7X256C-AUR is a powerful microcontroller, designed with several features that make it suitable for a wide range of applications in embedded systems. In this article, we will discuss the application field and working principle of the AT91SAM7X256C-AUR. The AT91SAM7X256C-AUR is an ARM7TDMI-S microcontroller from Atmel. It integrates a 256KB flash memory, a 64Kb RAM, a set of general-purpose programmable I/O pins, a Timer/Counter, an USART, a USB 2.0 host/device controller, an ADC and a 10-bit DAC. It has a maximum clock frequency of 60MHz and operates at a power supply voltage of 3.3V - 0.5V.The AT91SAM7X256C-AUR is primarily used in embedded designs. It can be used as a platform for developing applications like consumer electronics, industrial control, white goods, and home appliances. It also has a wide range of automotive applications like engine control, emission control, electronic fuel injection, brake control, airbags, and active suspension and steering. Moreover, the AT91SAM7X256C-AUR is also used in biomedical applications such as remote patient monitoring and drug delivery systems. When it comes to its working principle, the AT91SAM7X256C-AUR works by executing instructions written in the ARM Machine Code. It executes instructions that are stored in the flash memory and read in a sequential manner. This means that any changes to the code must be made by re-compiling the code, rather than reprogramming the memory with a new instruction set.The AT91SAM7X256C-AUR is equipped with various peripheral devices. The Timer/Counter module calculates the time that has elapsed since the start of a program and can be used for various purposes such as providing internal clock signals for other modules, generating pilot signals for audio or video applications, and producing pulse-width modulation signals for driving motors.The USART is used for short-range serial data communications between two devices. It supports synchronous and asynchronous modes of communications in speeds up to 115,200 bits per second.The ADC and DAC module is used to convert analog signals into digital values and vice-versa. It has a maximum resolution of 10-bits and supports single/multiple-channel conversions. The USB 2.0 controller is used for connecting various devices to the microcontroller. It supports devices like printers, digital cameras, USB keys and so on.The AT91SAM7X256C-AUR uses a sophisticated watchdog timer for protection against runaway code. It generates reset signals to reset the system if it fails to detect the periodic code execution. This ensures reliable operation of the microcontroller.The AT91SAM7X256C-AUR is a versatile microcontroller with a wide range of applications. It is suitable for a variety of embedded designs and offers excellent performance along with an array of peripheral devices. It can be used in numerous applications such as consumer electronics, automotive, industrial control, and biomedical. Its sophisticated watchdog timer ensures that the microcontroller works reliably.

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