AT91SAM9G20B-CU

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AT91SAM9G20B-CU

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AT91SAM9G20 - RISC MICROCONTROLL

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Attribut Wert
Package Bulk
Series SAM9G
ProductStatus Active
CoreProcessor ARM926EJ-S
NumberofCores/BusWidth 1 Core, 32-Bit
Speed 400MHz
RAMControllers SDRAM, SRAM
GraphicsAcceleration No
Ethernet 10/100Mbps
USB USB 2.0 (2)
Voltage-I/O 1.8V, 3.3V
OperatingTemperature -40°C ~ 85°C (TA)
Package/Case 217-LFBGA

Übersicht

Description

The AT91SAM9G20B-CU is a low-power, high-performance ARM926EJ-S microcontroller from Microchip (formerly Atmel). It features a 400 MHz core, 64 KB SRAM, and 32 KB ROM, with support for external memory via EBI (External Bus Interface).
Key features include:
- Peripherals: USB 2.0, Ethernet, UARTs, SPI, I²C, ADC, and PWM.
- Power Management: Multiple low-power modes for energy efficiency.
- Package: 217-ball LFBGA (CU package) for compact designs.
- Operating Conditions: 1.8V core, 3.3V I/O, industrial temp range (-40°C to +85°C).
Ideal for embedded applications like industrial control, IoT gateways, and consumer electronics, the AT91SAM9G20B-CU balances performance with low power consumption.
For more details, refer to the datasheet on Microchip’s website.

Equivalent

Equivalent products to the AT91SAM9G20B-CU (ARM9-based microcontroller) include:
1. NXP i.MX28x Series (e.g., i.MX283)
2. STMicroelectronics STM32MP1 (Cortex-A7, more advanced)
3. Microchip SAMA5D2 Series (successor, Cortex-A5)
4. TI Sitara AM335x (e.g., AM3358, Cortex-A8)
These offer similar or better performance for embedded applications. For direct pin-compatible alternatives, check Microchip's SAMA5D3 or legacy AT91SAM9x5 variants.

Features

The AT91SAM9G20B-CU is a low-power, high-performance ARM-based microcontroller from Microchip. Key features:
- Core: ARM926EJ-S @ 400 MHz
- Memory: 64 KB SRAM, 16 KB ROM, supports external NAND/NOR Flash, SDRAM
- Peripherals: USB 2.0 Host/Device, Ethernet 10/100, USART, SPI, I²C, ADC
- Power: 1.0V core, 1.8V/3.3V I/O, low-power modes
- Packaging: 217-ball LFBGA (13x13 mm)
- Operating Temp: -40°C to +85°C
Ideal for industrial control, IoT, and embedded applications.

Pinout

The AT91SAM9G20B-CU is a 217-ball LFBGA package microcontroller from Microchip.
Pin Count: 217 pins.
Key Functions:
- ARM926EJ-S Core (400 MHz)
- Memory: 64KB SRAM, 16KB ROM, supports external NAND, SDRAM, and NOR Flash
- Peripherals: USB 2.0 (Host & Device), Ethernet MAC, USARTs, SPI, I²C, ADC, PWM
- Power Management: Multiple low-power modes
- I/O: Multiple GPIOs with interrupt support
It is designed for embedded applications requiring high performance and connectivity.

Application

The AT91SAM9G20B-CU is a high-performance ARM9-based microcontroller from Microchip, ideal for embedded applications requiring low power and robust processing. Key application areas include:
- Industrial Control: PLCs, HMIs, and automation systems.
- Consumer Electronics: Smart home devices, portable gadgets.
- Medical Devices: Patient monitoring, diagnostic equipment.
- Communications: Gateways, routers, and networking devices.
- Automotive: Infotainment, telematics, and control modules.
Its features (400 MHz CPU, DDR2 support, multiple peripherals) make it suitable for real-time, connectivity-heavy, and power-efficient designs.

Package

The AT91SAM9G20B-CU is a LQFP (Low-Profile Quad Flat Package) microcontroller from Microchip. It features 208 pins and is designed for surface-mount assembly. The package dimensions are 28 x 28 mm with a 0.5 mm pin pitch, making it suitable for compact, high-performance embedded applications. The LQFP type ensures good thermal and electrical performance while maintaining a low profile.

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