AT91SAM7S128D-AU

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AT91SAM7S128D-AU

IC MCU 16/32B 128KB FLASH 64LQFP

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Specifications

Package Tray
Series SAM7S
ProductStatus Active
CoreProcessor ARM7®
CoreSize 16/32-Bit
Speed 55MHz
Connectivity I²C, SPI, SSC, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
NumberofI/O 32
ProgramMemorySize 128KB (128K x 8)
ProgramMemoryType FLASH
RAMSize 32K 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 64-LQFP

Overview

Description

The AT91SAM7S128D-AU is a microcontroller from the Atmel (now part of Microchip Technology) SAM7 series, featuring a 32-bit ARM7TDMI core. It operates at speeds up to 55 MHz and is designed for embedded systems requiring efficient processing power and flexibility. The AT91SAM7S128D-AU includes 128 KB of flash memory, 64 KB of SRAM, and a variety of peripherals such as UART, SPI, I2C, and ADC, making it suitable for diverse applications including industrial control, consumer electronics, and automotive systems.
The microcontroller supports low-power modes, which help in energy conservation, and has a wide operating voltage range of 1.8V to 3.6V. It also features a programmable watchdog timer, which enhances system reliability. The device is available in a 64-pin QFP package, facilitating easy integration into various designs. The AT91SAM7S128D-AU is widely supported with development tools and libraries, enabling rapid prototyping and deployment of embedded applications.

Features

The AT91SAM7S128D-AU is a microcontroller from the Atmel AT91SAM series, based on the ARM7TDMI core. Key features include:
- Core: ARM7TDMI, 32-bit RISC architecture.
- Flash Memory: 128 KB of embedded flash for code storage.
- SRAM: 16 KB of SRAM for data storage.
- Speed: Operates at up to 55 MHz.
- Peripheral Interfaces: Includes multiple USARTs, SPI, I2C, and USB 2.0 full-speed device interface.
- Timers: Three 16-bit timers/counters and a Real-Time Clock (RTC).
- ADC: 10-bit Analog-to-Digital Converter with up to 8 channels.
- GPIO: 32 general-purpose I/O pins.
- Power Management: Low power consumption modes for efficient energy usage.
- Operating Voltage: Typically operates at 1.8V to 3.6V.
- Package: Available in a 64-pin QFP (Quad Flat Package) format.
This microcontroller is suitable for various applications, including industrial control, automotive, and consumer electronics.

Package

The AT91SAM7S128D-AU is packaged in a 64-pin LQFP (Low-Profile Quad Flat Package) form factor. This package type features a low height and is designed for surface mounting, making it suitable for various embedded applications.

Pinout

The AT91SAM7S128D-AU is a microcontroller from Atmel's ARM7 family. It features a total of 64 pins.
Key functions of the pins include:
- GPIO: General-purpose input/output operations.
- UART: Serial communication.
- SPI: Serial peripheral interface for communication with external devices.
- I²C: Inter-Integrated Circuit for connecting low-speed peripherals.
- ADC: Analog-to-digital converter for processing analog signals.
- PWM: Pulse-width modulation for controlling motors or LEDs.
- Timers: For generating delays or measuring time intervals.
- JTAG: For debugging and programming the microcontroller.
- External Interrupts: For responding to external signals.
This microcontroller is particularly suited for embedded applications requiring efficient performance and a variety of interfacing options.

Manufacturer

The AT91SAM7S128D-AU is manufactured by Microchip Technology Inc., an American company known for its innovative microcontroller and microprocessor solutions. Microchip specializes in embedded control applications and offers a wide range of semiconductor products, including analog, memory, and interface devices. Established in 1989, Microchip serves various industries such as automotive, industrial, and consumer electronics, providing reliable and cost-effective solutions for developers and engineers. The AT91SAM7S128D-AU is part of the SAM microcontroller family, which is based on the ARM7TDMI core, making it suitable for a variety of applications requiring efficient processing and low power consumption.

Application

The AT91SAM7S128D-AU microcontroller is commonly used in embedded systems for applications such as industrial control, consumer electronics, automation, and automotive systems. Its features support tasks like data acquisition, motor control, and communication protocols, making it suitable for smart home devices, medical equipment, and IoT applications. Its ARM7 architecture enables efficient processing for real-time performance.

Equivalent

The AT91SAM7S128D-AU is an ARM7-based microcontroller. Equivalent products include:
1. Microchip SAM7S128 - Similar ARM7 architecture.
2. NXP LPC2148 - ARM7TDMI core with flash memory.
3. Silicon Labs C8051F - 8051-based microcontroller with similar features.
4. Atmel SAM3A - ARM Cortex-M3, more advanced.
Ensure to check specific features and pin compatibility when considering replacements.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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