Microchip Technology
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AT91SAM9M11-CU

AT91SAM9M11-CU

Product Overview

Category

AT91SAM9M11-CU belongs to the category of microcontrollers.

Use

This microcontroller is designed for various embedded applications that require high-performance processing and connectivity capabilities.

Characteristics

  • High-performance ARM926EJ-S core running at up to 400 MHz
  • Integrated peripherals for connectivity, including Ethernet, USB, CAN, and UART
  • On-chip memory, including SRAM and Flash
  • Low power consumption
  • Wide operating temperature range
  • Small form factor

Package

AT91SAM9M11-CU is available in a compact package suitable for surface mount technology (SMT) assembly.

Essence

The essence of AT91SAM9M11-CU lies in its powerful processing capabilities, integrated peripherals, and low power consumption, making it an ideal choice for demanding embedded applications.

Packaging/Quantity

AT91SAM9M11-CU is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

  • Core: ARM926EJ-S running at up to 400 MHz
  • Memory:
    • 64 KB ROM
    • 64 KB SRAM
    • Up to 256 MB external DDR2/LPDDR
  • Peripherals:
    • 10/100 Mbps Ethernet MAC
    • USB 2.0 Full Speed Device/Host
    • CAN controller
    • UARTs
    • SPI, I2C interfaces
    • PWM channels
  • Operating Voltage: 1.65V to 3.6V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of AT91SAM9M11-CU is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply | | 2 | GND | Ground | | 3 | PA0 | General Purpose I/O | | 4 | PA1 | General Purpose I/O | | ... | ... | ... | | 100 | PB31 | General Purpose I/O |

Functional Features

  • High-performance processing: The ARM926EJ-S core provides efficient execution of complex tasks.
  • Connectivity: Integrated Ethernet, USB, CAN, and UART peripherals enable seamless communication with external devices.
  • Memory options: On-chip SRAM and Flash memory, along with support for external DDR2/LPDDR, offer flexible storage solutions.
  • Low power consumption: AT91SAM9M11-CU is designed to minimize power usage, making it suitable for battery-powered applications.
  • Wide operating temperature range: The microcontroller can operate reliably in extreme temperature conditions.

Advantages and Disadvantages

Advantages

  • Powerful processing capabilities
  • Integrated connectivity peripherals
  • Low power consumption
  • Compact form factor
  • Wide operating temperature range

Disadvantages

  • Limited on-chip memory compared to some other microcontrollers
  • Requires external DDR2/LPDDR for larger memory requirements

Working Principles

AT91SAM9M11-CU operates based on the ARM926EJ-S core architecture. It executes instructions fetched from memory and interacts with various peripherals to perform desired functions. The microcontroller's low-level software, typically written in C or assembly language, controls the behavior of the device.

Detailed Application Field Plans

AT91SAM9M11-CU finds applications in a wide range of embedded systems, including but not limited to: - Industrial automation - Internet of Things (IoT) devices - Home automation - Automotive electronics - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative microcontrollers that can be considered as alternatives to AT91SAM9M11-CU are: - STM32F4 series from STMicroelectronics - LPC1768 from NXP Semiconductors - PIC32MX series from Microchip Technology - MSP432 series from Texas Instruments

These alternatives offer similar features and capabilities, providing options for different design requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT91SAM9M11-CU v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT91SAM9M11-CU in technical solutions:

  1. Q: What is the AT91SAM9M11-CU? A: The AT91SAM9M11-CU is a microcontroller unit (MCU) based on the ARM926EJ-S core, designed for embedded applications.

  2. Q: What are the key features of the AT91SAM9M11-CU? A: The key features include a high-performance 32-bit RISC processor, various peripherals, external memory interfaces, and multiple communication interfaces.

  3. Q: What are some typical applications of the AT91SAM9M11-CU? A: The AT91SAM9M11-CU is commonly used in industrial automation, home automation, medical devices, smart meters, and other embedded systems.

  4. Q: What programming languages can be used with the AT91SAM9M11-CU? A: The AT91SAM9M11-CU supports programming in C/C++ using development tools like GCC, Keil, and IAR Embedded Workbench.

  5. Q: Can the AT91SAM9M11-CU run an operating system? A: Yes, the AT91SAM9M11-CU can run various operating systems such as Linux, FreeRTOS, and Windows Embedded Compact.

  6. Q: What kind of connectivity options does the AT91SAM9M11-CU offer? A: The AT91SAM9M11-CU provides Ethernet, USB, CAN, UART, SPI, and I2C interfaces for seamless connectivity with other devices.

  7. Q: How much RAM and flash memory does the AT91SAM9M11-CU have? A: The AT91SAM9M11-CU has up to 64MB of external SDRAM and up to 256MB of external NAND flash memory.

  8. Q: Can the AT91SAM9M11-CU support graphical user interfaces (GUI)? A: Yes, the AT91SAM9M11-CU supports GUI applications with its integrated LCD controller and touchscreen interface.

  9. Q: What kind of power management features does the AT91SAM9M11-CU have? A: The AT91SAM9M11-CU offers various power-saving modes, including sleep mode, idle mode, and dynamic voltage scaling.

  10. Q: Are there any development boards available for the AT91SAM9M11-CU? A: Yes, there are development boards like the AT91SAM9M11-EK and AT91SAM9M11-G45-EK that provide a platform for prototyping and testing with the AT91SAM9M11-CU.

Please note that these answers are general and may vary depending on specific implementations and requirements.