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AT91SAM9G45-CU

Name: AT91SAM9G45-CU
Rating: 4.7 (12 reviews)

IC MCU 32BIT 64KB ROM 324TFBGA

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製造商。部分 #AT91SAM9G45-CU
包 TFBGA-324
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規格

Package	Tray
Series	SAM9G
ProductStatus	Obsolete
CoreProcessor	ARM926EJ-S
NumberofCores/BusWidth	1 Core, 32-Bit
Speed	400MHz
RAMControllers	LPDDR, LPSDR, DDR2, SDR, SRAM
GraphicsAcceleration	No
Display&InterfaceControllers	LCD, Touchscreen
Ethernet	10/100Mbps
USB	USB 2.0 (3)
Voltage-I/O	1.8V, 3.3V
OperatingTemperature	-40°C ~ 85°C (TA)
Package/Case	324-TFBGA

概述

Description

The AT91SAM9G45-CU is a microprocessor from Microchip's SAM9 series, designed for embedded applications. It features an ARM926EJ-S core, operating at speeds up to 400 MHz, and integrates a range of peripherals that cater to various application needs. With 256 KB of SRAM and 128 KB of embedded flash memory, it supports external memory interfaces, allowing for expansion with additional RAM and flash storage.
Key features include an LCD controller, audio interfaces, USB 2.0 support, and multiple serial communication ports (USART, SPI, I2C). The device also supports low-power modes, making it suitable for battery-operated applications. Its robust architecture is ideal for industrial control, human-machine interfaces, and IoT devices.
Development support is provided through extensive documentation and development kits, facilitating software and hardware integration. Overall, the AT91SAM9G45-CU is a versatile choice for developers seeking a powerful and efficient microprocessor for their embedded solutions.

Features

The AT91SAM9G45-CU is a microcontroller from the Atmel SAM9 series, featuring an ARM926EJ-S processor core. Key specifications include:
- Clock Speed: Up to 400 MHz
- Memory: 256 KB SRAM, 256 KB ROM, and support for external memory interfaces including SDRAM, SRAM, and NAND Flash.
- I/O Ports: Up to 54 general-purpose input/output (GPIO) pins.
- Peripheral Interfaces: Includes USB 2.0 Host and Device, SPI, I2C, UART, CAN, and PWM.
- Audio Support: Built-in audio interfaces for multimedia applications.
- Display Interface: LCD controller for interfacing with displays.
- Power Management: Low-power modes for energy efficiency.
- Security Features: Includes a hardware random number generator and secure boot capabilities.
The AT91SAM9G45-CU is suitable for embedded applications such as industrial control, consumer electronics, and automotive applications, leveraging its high performance and extensive peripheral support.

Package

The AT91SAM9G45-CU is packaged in a LQFP (Low-Profile Quad Flat Package) with 144 pins.

Pinout

The AT91SAM9G45-CU is a microcontroller from the Atmel (now part of Microchip Technology) SAM9 series, featuring a total of 144 pins. It is based on the ARM926EJ-S core and supports various interfaces, making it suitable for embedded applications.
Key functions include:
- GPIO: General Purpose Input/Output pins for versatile interfacing.
- UART: Universal Asynchronous Receiver/Transmitter for serial communication.
- SPI: Serial Peripheral Interface for high-speed data exchange.
- I2C: Inter-Integrated Circuit for connecting low-speed peripherals.
- USB: Host and device support for USB connectivity.
- SDRAM Controller: Interfaces with external memory.
- Ethernet MAC: For network communication.
The device also includes features like ADC, PWM, and timers, making it highly capable for a wide range of applications in industrial and consumer electronics. For detailed pinout and additional functionalities, refer to the official datasheet.

Manufacturer

The AT91SAM9G45-CU is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in embedded control solutions, offering a wide range of microcontrollers, analog products, and microprocessor technologies. Founded in 1989, the company focuses on providing innovative and cost-effective solutions for various applications, including industrial, automotive, and consumer electronics. They are known for their high-performance and low-power products, catering to the needs of engineers and developers in the embedded systems market.

Application

The AT91SAM9G45-CU microcontroller is used in various application areas including industrial automation, consumer electronics, medical devices, and automotive systems. Its robust features make it suitable for embedded systems requiring advanced connectivity, multimedia processing, and real-time control. Specific applications include portable medical equipment, smart appliances, and IoT devices.

Equivalent

The AT91SAM9G45-CU chip, a member of the Atmel/Microchip SAM9 series, has equivalent products including the AT91SAM9G25, AT91SAM9G35, and AT91SAM9X25. These variants differ mainly in features such as memory size, peripherals, and processing power but share similar architecture and compatibility for embedded applications. Always check specific datasheets for detailed comparisons.