AT91SAM7L128-CU

Program Memory Type:	FLASH
Base Part Number:	AT91SAM7L128
Supplier Device Package:	144-BGA (13x13)
Package / Case:	144-LFBGA
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 4x10b
Voltage - Supply (Vcc/Vdd):	1.55 V ~ 1.8 V
RAM Size:	6K x 8
EEPROM Size:	--
Series:	SAM7L
Program Memory Size:	128KB (128K x 8)
Number of I/O:	80
Peripherals:	Brown-out Detect/Reset, LCD, POR, PWM, WDT
Connectivity:	I²C, SPI, UART/USART
Speed:	36MHz
Core Size:	16/32-Bit
Core Processor:	ARM7®
Part Status:	Obsolete
Packaging:	Tray

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The AT91SAM7L128-CU is an embedded microcontroller designed by Atmel Corporation. The processor belongs to the Atmel AT91SAM7 family of microcontrollers and is equipped with 128KBytes of ROM, 4KBytes of RAM, two UARTs, two Timer/Counters, a 10-bit ADC and a watch dog timer. It also contains a USB 2.0 Full Speed device interface, on-chip transceivers for the I²C™, SPI™ and SWI™ serial communications interfaces. The AT91SAM7L128-CU is an effective microcontroller that is widely used in various application fields such as home automation, mobile communications, security and industrial control. Its features and performance make it an ideal choice for applications that require small size and low power consumption.The working principle of the AT91SAM7L128-CU is based on a Harvard architecture, where program code and data are stored in separate memory spaces. The processor is capable of issuing a single instruction every clock cycle, performing multiple register transfers in a single instruction and operating simultaneously on code and operation data. It is also designed to execute a combination of 16 bit and 32 bit instructions in order to maximize system performance and minimize code size.In terms of power consumption, the AT91SAM7L128-CU is able to operate with a low power supply and to reduce energy use by entering sleep modes. Its energy-saving modes are designed to automatically reduce power consumption when the device is in idle state. The device also offers power-saving features including a real-time clock, clock scaling and a low-level-detection synthesizer that offers low power selection from power sources.The AT91SAM7L128-CU is also equipped with a 5-channel DMA controller that allows for efficient data transfer between I/O peripheral modules and memory address. The DMA can also be used for transfer of data between on-chip memories and external memories. In addition, it is also capable of supporting up to 10 interrupt lines with programmable priority levels.In terms of security features, the AT91SAM7L128-CU supports a secure bootloader that initializes firmware and memory integrity. It also supports an ARM Security Extension that offers an on-the-fly encryption engine and an advanced key-veiling technique.The AT91SAM7L128-CU is widely used in many different application fields due to its superior performance and efficiency. It is suitable for applications such as home automation, mobile communications, security systems and industrial control. Its advanced features and low power requirements also make it an ideal choice for embedded applications. It is capable of providing enhanced performance and long-term reliability which makes it a great choice for high-end designs.

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