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AT91SAM7S128D-AU Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
AT91SAM7S128D-AUMICROCHIP320Yes

AT91SAM7S128D-AU** is a microcontroller from **Microchip Technology** based on the **ARM7TDMI** core.

The AT91SAM7S128D-AU is a microcontroller from Microchip Technology based on the ARM7TDMI core. Below are its specifications, descriptions, and features:

Specifications:

  • Manufacturer: Microchip Technology
  • Core: ARM7TDMI (32-bit RISC processor)
  • Operating Frequency: Up to 55 MHz
  • Flash Memory: 128 KB
  • SRAM: 32 KB
  • Package: 64-lead LQFP (10x10mm)
  • Operating Voltage: 1.8V to 3.6V
  • Temperature Range: -40°C to +85°C
  • I/O Pins: 32 (multiplexed with peripherals)
  • Timers:
  • 3-channel 16-bit Timer/Counter (TC)
  • 4-channel 16-bit PWM Controller (PWMC)
  • Watchdog Timer (WDT)
  • Real-time Timer (RTT)
  • Communication Interfaces:
  • USART (2x)
  • SPI (1x)
  • TWI (I2C) (1x)
  • USB 2.0 Full-Speed Device Port
  • Analog Features:
  • 8-channel 10-bit ADC
  • Debug Interface: JTAG/ICE
  • DMA Controller: 4-channel Peripheral DMA Controller (PDC)

Descriptions:

The AT91SAM7S128D-AU is a high-performance ARM7-based microcontroller designed for embedded applications requiring low power consumption and high-speed processing. It integrates 128 KB of Flash memory and 32 KB of SRAM, along with a rich set of peripherals including USB, USART, SPI, and ADC.

Features:

  • ARM7TDMI Core with 55 MHz operation
  • Embedded Flash Memory with 128 KB capacity
  • 32 KB SRAM for fast data access
  • Low-power operation (1.8V to 3.6V)
  • USB 2.0 Full-Speed Device Port
  • Multiple communication interfaces (USART, SPI, TWI)
  • 10-bit ADC with 8 channels
  • Advanced interrupt controller for real-time response
  • Hardware-based security features (Flash lock bits)
  • Industrial temperature range (-40°C to +85°C)

This microcontroller is suitable for applications such as industrial control, consumer electronics, and USB-enabled devices.

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