SAMA5D3-Xplained ARM Cortex-A5

Discussion around products based on ARM Cortex-A5 core.

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Embest-Eva
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Joined: Fri Jul 18, 2014 5:44 am

SAMA5D3-Xplained ARM Cortex-A5

Mon Dec 22, 2014 9:07 am

Open-source hardware is very popular project over the world, like RPI, Arduino and BB Black. THe more and more makers prefer to open-source board. Under this kind of situation, Embest is as Strategy Alliance(SA) partner with Atmel, got the chance to design one board based on Cortex-A5 as Atmel official evaluation board Named SAMA5D3 Xplained. Compared the tranditional image of Atmel board, this board is based on ARM Cortex-A5 structure, CPU speed is highly to 536MHz. In this case, it is still under low power and focus on industrial application. Small size 12.5 x 7.5 x 2cm, 10 layer board, compatiable to Arduino, all info reflects Atmel are positve to dominate market of open-source. Let's move on for the specified spec of this magic board.
Processor:
SAMA5D36 (324-ball BGA package) ARM Cortex-A5 Processor with ARM v7-A Thumb2® instruction set, core frequency up to 536 MHz.

PCB characteristics:
125 x 75 x 20mm (10-layers)

Processor clock sources:
12-MHz crystal oscillator
32.768-kHz crystal oscillator

Memory:
2x 1Gb DDR2 (16M x 16 bits x 8 banks)
1x 2Gb SLC NAND Flash (256M x 8 bits)

Optional on-board memory:
One Serial EEPROM SPI
One 1-Wire EEPROM

Battery:
On-board optional power Cap for CMOS backup

User interface:
Reset, wakeup and free user pushbutton
One red user/power LED and one blue user LEDSD/MMC:
One 8-bit SD card connector
One optional 4-bit Micro-SD card connector

USB:
Two USB Hosts with power switch
One Micro-AB USB device

Display interface:
One LCD interface connector, LCD TFT Controller with overlay, alpha-blending, rotation, scaling and color space conversion

Ethernet:
One Gigabit Ethernet PHY (GRMII 10/100/1000)
One Ethernet PHY (RMII 10/100)

Debug port:
One JTAG interface connector
One serial DBGU interface (3.3V level)

Expansion connectors:
Arduino R3 compatible set of headers
The SAMA5D36 GPIO,TWI, SPI, USART, UART, Audio and ISI interfaces
are accessible through these headers.

Board supply voltage:
5V from USB or power jack or Arduino shield
On-board power regulation is performed by a Power Management
Unit (PMU)

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