AT91SAM7X256-AU

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AT91SAM7X256-AU

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IC MCU 16/32B 256KB FLSH 100LQFP

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Spezifikationen

Attribut Wert
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

Übersicht

Description

The AT91SAM7X256-AU is a microcontroller from Microchip Technology, formerly by Atmel, belonging to the AT91SAM family. It is based on the 32-bit ARM7TDMI RISC processor architecture, offering a balanced mix of performance and power efficiency. This microcontroller is tailored for embedded applications, featuring 256 KB of in-system programmable flash memory and 64 KB of SRAM. It supports multiple communication interfaces, including Ethernet, USART, SPI, TWI (I2C), and CAN, making it versatile for various connectivity needs.
The AT91SAM7X256-AU is equipped with a full-speed USB 2.0 device, a 10/100 Ethernet MAC, and an on-chip PHY, facilitating robust networked applications. Its 10-bit ADC and PWM controller make it suitable for control and automation tasks. The chip also includes advanced features such as an interrupt controller, programmable watchdog timer, and real-time clock, enhancing reliability and functionality.
Encased in a LQFP-100 package, the AT91SAM7X256-AU offers a compact footprint ideal for space-constrained designs. It is well-suited for industrial automation, communication systems, and consumer electronics, providing a robust platform for a wide range of embedded applications.

Equivalent

The AT91SAM7X256-AU is a microcontroller from Microchip Technology (formerly Atmel). Equivalent products include:
1. STM32F103 series from STMicroelectronics
2. LPC1768 from NXP
3. SAM3X series from Microchip
4. TMS570LS series from Texas Instruments
These alternatives offer similar features like ARM Cortex-M cores, integrated peripherals, and comparable memory sizes, but compatibility and specific feature sets should be verified for each application.

Features

The AT91SAM7X256-AU is a microcontroller from Microchip Technology, equipped with a 32-bit ARM7TDMI RISC processor, providing efficient performance for embedded systems. Key features include:
1. Memory:
- 256KB Flash memory
- 64KB SRAM
2. Performance:
- Operates up to 55 MHz
3. Connectivity:
- Ethernet MAC for network communications
- USB 2.0 Full-Speed Device
- CAN Controller
- Multiple USART, SPI, and TWI (I2C) interfaces
4. I/O:
- 88 programmable I/O lines
- 8-channel, 10-bit ADC
5. Timers and PWM:
- Four 16-bit Timer/Counters
- PWM channels for motor control and other applications
6. Power Consumption:
- Low power consumption with various power-saving modes
7. Other Features:
- JTAG for debugging
- Programmable Watchdog Timer
- Brown-out Detector and Power-on Reset
These features make the AT91SAM7X256-AU suitable for applications requiring robust communication interfaces, moderate processing power, and low power consumption.

Pinout

The AT91SAM7X256-AU is a microcontroller from Microchip Technology, formerly by Atmel, based on the ARM7TDMI core. It comes in a 100-lead TQFP (Thin Quad Flat Pack) package.
Key features and functions include:
- Pin Count: 100 pins
- Core: ARM7TDMI, 32-bit RISC architecture
- Flash Memory: 256 KB
- SRAM: 64 KB
- Peripherals:
- Ethernet MAC (with dedicated DMA)
- USB 2.0 full-speed device
- Two USARTs
- Two SPIs
- SSC (Synchronous Serial Controller)
- TWI (Two-Wire Interface, compatible with I2C)
- 8-channel 10-bit ADC
- PWM
- Timer/Counters
- RTC (Real-Time Clock)
This microcontroller is well-suited for network-connected embedded applications due to its integrated Ethernet MAC and other communication interfaces.

Manufacturer

The AT91SAM7X256-AU is manufactured by Microchip Technology Inc. This company is a prominent American semiconductor manufacturer known for producing microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. Microchip Technology serves a wide array of industries, including automotive, aerospace, consumer electronics, and industrial applications. They focus on providing solutions that enable innovation and enhance device performance.

Application

The AT91SAM7X256-AU is a microcontroller well-suited for various applications. It is commonly used in industrial automation due to its robust performance and connectivity features. In consumer electronics, it facilitates efficient device control. The microcontroller is also ideal for networked embedded systems, thanks to its Ethernet capabilities. Additionally, it finds applications in automotive systems for handling control tasks, and in medical devices where reliable processing and communication are critical. Its versatile I/O options and integrated peripherals make it suitable for general-purpose embedded applications requiring compact design and efficient processing.

Package

The AT91SAM7X256-AU is a microcontroller from Microchip Technology, featuring a 100-pin LQFP (Low-Profile Quad Flat Package) type. This package is compact and suitable for applications requiring a moderate number of I/O pins, balancing performance and space efficiency.

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