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AT91SAM7X256-AU

Name: AT91SAM7X256-AU
Rating: 4.7 (12 reviews)

IC MCU 16/32B 256KB FLSH 100LQFP

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製造商。部分 #AT91SAM7X256-AU
包 LQFP-100
資料表 AT91SAM7X256-AU DataSheet
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規格

Package	Tray
Series	SAM7X
ProductStatus	Obsolete
CoreProcessor	ARM7®
CoreSize	16/32-Bit
Speed	55MHz
Connectivity	CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals	Brown-out Detect/Reset, DMA, POR, PWM, WDT
NumberofI/O	62
ProgramMemorySize	256KB (256K x 8)
ProgramMemoryType	FLASH
RAMSize	64K x 8
Voltage-Supply(Vcc/Vdd)	1.65V ~ 1.95V
DataConverters	A/D 8x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	100-LQFP

概述

Description

The AT91SAM7X256-AU is a microcontroller from the Atmel (now part of Microchip Technology) SAM7 series, based on the ARM7TDMI core. It features 256 KB of flash memory, 64 KB of SRAM, and operates at speeds up to 55 MHz. Key peripherals include a USB 2.0 device controller, multiple USARTs, SPI, I2C interfaces, and a 10-bit ADC, making it suitable for a variety of applications such as embedded systems, consumer electronics, and industrial control.
The microcontroller supports various communication protocols, has a rich set of GPIOs, and offers an integrated DMA controller for efficient data handling. Its low power consumption makes it ideal for battery-operated devices. The AT91SAM7X256-AU is often used in applications requiring robust performance and flexibility, with development supported by a range of IDEs and libraries, including the Atmel Studio and ARM development tools. Overall, it is a versatile choice for developers looking to create efficient and effective embedded solutions.

Features

The AT91SAM7X256-AU is a microcontroller from Atmel (now part of Microchip Technology) featuring an ARM7TDMI core. Key features include:
- 32-bit ARM Cortex-M3 Processor: Operates at up to 55 MHz.
- Flash Memory: 256 Kbytes of in-system programmable flash memory.
- SRAM: 64 Kbytes of SRAM.
- Peripheral Interfaces: Includes USB 2.0 device/host, SPI, USART, I2C, and PWM.
- Digital I/O: Up to 47 programmable I/O pins.
- Analog Features: 10-bit ADC with up to 8 channels.
- Timers: Multiple timers for real-time applications.
- Low Power Consumption: Various power-saving modes for energy efficiency.
- Development Support: Compatible with various development tools and IDEs.
This microcontroller is suitable for a wide range of applications, including industrial control, consumer electronics, and communication devices.

Package

The AT91SAM7X256-AU is available in a 64-pin LQFP (Low-Profile Quad Flat Package) with a body size of 10mm x 10mm.

Pinout

The AT91SAM7X256-AU is a microcontroller from Atmel's AT91SAM7 series, featuring a total of 64 pins in a TQFP (Thin Quad Flat Package) form factor.
The pin functions include:
1. Power Supply Pins: VDD, VSS for power connections.
2. GPIO Pins: General Purpose Input/Output pins for various digital I/O tasks.
3. Communication Interfaces:
- USART (Universal Synchronous/Asynchronous Receiver Transmitter)
- SPI (Serial Peripheral Interface)
- I2C (Inter-Integrated Circuit)
4. Timers: Timer/counter pins for real-time applications.
5. Analog Functions: ADC (Analog-to-Digital Converter) inputs.
6. Debug Interface: JTAG or SWD for programming and debugging.
7. External Interrupts: Pins for responding to external events.
The AT91SAM7X256-AU is suitable for a wide range of applications, including embedded systems and industrial control.

Manufacturer

The AT91SAM7X256-AU is manufactured by Microchip Technology Inc., a leading American semiconductor company. Founded in 1989, Microchip specializes in designing microcontrollers, memory, and analog semiconductors. The AT91SAM7X256-AU is part of their ARM-based microcontroller family, which is widely used in various applications such as industrial automation, automotive, and consumer electronics. Microchip is known for its focus on innovation, providing a broad range of solutions to meet the needs of embedded system developers.

Application

The AT91SAM7X256-AU is widely used in embedded systems applications, including industrial automation, consumer electronics, medical devices, and automotive systems. Its features support USB connectivity, real-time control, and data processing, making it suitable for applications like home automation, robotics, and portable devices. Additionally, it is often employed in low-power applications due to its efficient architecture.

Equivalent

Equivalent products to the AT91SAM7X256-AU chip include the AT91SAM7X128, AT91SAM7X512, and the SAM3 series, such as SAM3A and SAM3U, which feature similar ARM7 architecture and peripheral sets. For more recent alternatives, consider the SAM4 series or SAMD series, as they offer enhanced performance and additional features. Always verify compatibility based on specific application requirements.