Atmel AT91SAM9X5 | MYS-SAM9X5

Processor : ARM9 @ 400Mhz on Atmel AT91SAM9X5
Nand Flash : 256MB Nand Flash
Interface : One Ethernet for SAM9G25/9G35/9X25/9X35, Two CAN for SAM9X25 and SAM9X35, Serial ports, Ethernet, USB, CAN, LCD, Audio, TF
System : Linux 2.6.39 and Android 2.3.5
Board size : 100mm x 64mm

Credit Information By MYiR


The MYS-SAM9X5 Sinle Board Computer (SBC) family is designed based on Atmel AT91SAM9X5 series ARM9 processors: AT91SAM9X35, SAM9X25, SAM9G35, SAM9G25 and SAM9G15 which is able to work at up to 400MHZ. It is capable of running Linux and Android operating systems and also provided with complete sample codes bundle for the peripherals using Keil’s MDK-ARM to enhance debugging capabilities for non-OS development. The 4.3- and 7-inch LCD panels are add-on options for SAM9G15, SAM9G35 and SAM9X35. It can work in harsh environment supporting -40 to +85°C extended temperature operation.

The board has 128MB DDR2 SDRAM, 256MB Nand Flash, 4MB Data Flash and 64KB EEPROM as well as a set of peripherals including USB Host, OTG, Ethernet, LCD, CAN, TF card slot and etc. The board comes along with necessary cable accessories, detailed documents and full developed software package to make a reference as an solid evaluation kit to help users extensively evaluate, customize, develop hardware and software applications. MYIR offers 4.3 or 7 inch LCD including touch screen as option for MYS-SAM9G15, MYS-SAM9G35 and MYS-SAM9X35 platforms.


CPU Board : CM-SAM9X5

– Processor : AT91SAM9G15, AT91SAM9G25, AT91SAM9G35, AT91SAM9X25, AT91SAM9X35
32-bit ARM RISC processor running at up to 400MHz, 16 KB Data Cache, 16KB Instruction Cache, 32KB Chip SRAM, 64KB ROM
– Dimensions : 100mm x 64mm, 8 layer
– Working Temperature : -40 to +85 Celsius
– Power Supply : 5V/2A or USB Power supply
– Memory : CPU internal 32KB of SRAM and 64KB of ROM, On board 128MB DDR2 SDRAM, 256MB Nand Flash, 4MB Data Flash, 64KB EEPROM
– Storages : One Micro SD card slot
– Serial ports : Debug serial port (J13), RS232 serial port (UART0, J13)
– USB : One high-speed USB 2.0 Host port, One full-speed USB 2.0 Host port, One high-speed Mini USB 2.0 OTG port (configured as USB Device by default)


– Support Linux 2.6.39 System and Android 2.3.5
– First boot program (source code available)
– Boot Linux from NAND Flash
– Support programming kernel image into Nand Flash through USB
– Support programming file system into Nand Flash through USB
– UBIFS file system
– Already ported (source code available)


Atmel AT91SAM9G15, SAM9G25, SAM9G35, SAM9X25 and SAM9X35
– 400MHz ARM926-based embedded microprocessor unit
– 16KB data Cache,16KB instruction Cache, MMU
– On-chip: 32KB SRAM, 64KB ROM

Memory and Storage
128MB DDR2 SDRAM, 256MB Nand Flash, 4MB Data Flash, 64KB EEPROM
1 x Micro SD Card slot

Peripheral Interfaces
Serial port
– 1 x DBGU (Debug Unit)
– 1 x UART0 (5-wire, RS232)
– 3 x Extended UART1/2/3 (TTL, without MAX3232)
LCD interface (MYS-SAM9G15/G35/X35 support 4.3’’/7’’ TFT LCD Module)
4-wire touch screen interface
2 x CAN (only available on MYS-SAM9X25 and MYS-SAM9X35)
– 1 x High-speed USB 2.0 Host port
– 1 x Full-speed USB 2.0 Host port
– 1 x High-speed Mini USB 2.0 OTG port (configured as USB Device by default)
One 10/100Mbps Ethernet (MYS-SAM9G15 doesn’t support)
One Audio input port (3.5mm Jack)
One stereo Audio output port (3.5mm Jack)
RTC Battery socket
One JTAG interface (J13)
One power indicator
One User LED
Three expansion interfaces (J3, J4 and J5) brings out interfaces below, some are multi-plexed:
3 x UARTs (UART1, 2, 3), 2 x SPI, 2 x I2C, 12 x ADC, 54 x GPIO

Mechanical Parameters
Dimension: 100mm x 64mm
PCB layers: 8-layer design
Power supply: 5V/2A or USB power supply
Working Temp.: 0~70 Celsius (commercial level) or -40~85 Celsius (industrial level)

OS support and Sample codes
Linux 2.6.39
Andriod 2.3.5
Keil MDK-ARM example code

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