AT91SAM9X25 CPU Board with DM9000 Ethernet PHY, 20

AT91SAM9X25 CPU Board with DM9000 Ethernet PHY, 200-pin SO-DIMM	US$123.50
MBC-SAM9X25-P

AT91SAM9X25 CPU Board with DM9000 Ethernet PHY, 200-pin SO-DIMM

The MBC-SAM9X25-P is an ARM9 embedded board produced by Embest, integrating the Atmel AT91SAM9X25 ARM926EJ-S-based processor operating at 400MHz frequency plus a Davicom DM9000 Ethernet controller. The ARM9 CPU can support WinCE and Linux. The board has 128MB DDR2 SDRAM, 256MB NandFlash, 4MB DataFlash, 64KB Serial EEPROM, and 128B one-wire EEPROM.

AT91SAM9X25 CPU Card Features

Core Board Size: 67 × 34 mm
12 MHz crystal oscillator
32.768 MHz crystal oscillator
128 MB DDR2 memory
256 MB NAND Flash memory with chip selection control switch
4 MB SPI Serial DataFlash with chip selection control switch
64 KB EEPROM
256 Byte 1-wire EEPROM
On-board power regulation
Two user LEDs
DM9000 Ethernet PHY on board
SO-DIMM200 card edge interface

AT91SAM9X25 CPU Features

ARM926EJ-S ARM Thumb Processor running up 400 MHz @ 1.0V ±10%
16 Kbyte Data Cache, 16 Kbyte Instruction Cache, Memory Management Unit
One 64 KByte internal ROM with embedded bootstrap routine: Boot on NandFlash, SD card, DataFlash or Serial DataFlash (programmable order)
One 32 KByte internal SRAM, single-cycle access at system speed
USB Device High Speed, USB Host High Speed, and USB Host Full Speed with dedicated On-Chip Transceiver
Two 10/100 Mbps Ethernet MAC Controllers
Two High-Speed Memory Card Hosts
Two CAN Controllers
Two Master/Slave Serial Peripheral Interfaces
Two 3-channel 32-bit Timer/Counters
One Synchronous Serial Controller
One 4-channel 16-bit PWM Controller
Three Two-Wire Interfaces
Four USARTs, Two UARTs
One 12-channel 10-bit Touch-Screen Analog-to-Digital Converter
Soft Modem

Comparison to similar CPUs

Use the following features table to determine which of the four CPUs available in this SO-DIMM format will suit your needs best. Every CPU has a Soft Modem, one USB High Speed Host port, one USB Full Speed Host port, and one USB High Speed Device port.

	LCD Controller	Resistive Touchscreen	Camera Interface	EMAC	Dual CAN	UART/SPI/TWI
AT91SAM9G25			√	√		7/6/3
AT91SAM9G35	√	√		√		6/5/3
AT91SAM9X25				2x	√	7/6/3
AT91SAM9X35	√	√		√	√	6/5/3

AT91SAM9X25 CPU Card Software

The CPU board ships with a Linux kernel and WinCE BSP. Most of the drivers are provided with source code. Note that the same software pack is provided for several similar AT91SAM9 CPU cards, so some drivers and functions listed may not apply to this particular CPU.

Linux-based operating system kernel driver source list

Type	Function	Description	Source code
Bootloader	AT91Bootstrap	Boot Uboot	√
	Uboot	Version: UBoot1.3.4
	Uboot	Functions: 1. Supports NandFlash erase, read and write 2. Supports image download through Ethernet 3. Supports environment variables set and save 4. Supports memory content display, contrast, changes 5. Supports bootm and bootargs setting	√
Kernel and Drivers	Kernel	Version: Linux-2.6.30
	System Clock	System frequency: 400 MHz
	Display driver	Supports a variety of different size LCD screens and resolutions, adjustable	√
	Touchscreen	Touchscreen driver	√
	DM9000	DM9000 driver	√
	HSMMC	SD/MMC/SDIO driver	√
	IIC	I2C driver	√
	SPI	SPI driver	√
	NANDFLASH	Supports 512 Bytes small page, 2K Bytes large page	√
	SERIAL	Serial driver	√
	WAVEDEV	Audio driver, supports AC97 and IIS; default driver is IIS (WM8731)	√
	USB Host	Supports USB keyboard, mouse and U disk	√
	DMA	DMA driver	√
	USB Gadget	Supports a 32MB NandFlash as U disk to use	√
File System	Jffs2 file system	Supports jffs2 file system
Cross Compiler	arm-none-linux-gnueabi	Cross tool chain	√
Download tools in PC	HyperTerminal	Serial debug terminal, USB image download tool
Download tools in PC	SAM-BA1.13+USB	SAM-BA downloads bootloader and kernel to NandFlash on the board via USB

WinCE-based operating system kernel BSP source list

Type	Function	Description	Source code
Bootloader	FirstBoot	Boot Eboot, provides source and the last image FIRSTBOOT.nb0
Bootloader	Eboot	Provides source and the last image Eboot.nb0 Eboot Function: 1. NET download: Can set MAC address, static IP, dynamic DHCP IP, and download WinCE kernel 2. Format NandFlash 3. Set startup delay time 4. Set the kernel address in the NandFlash, the address in the RAM, and the size of the kernel
Kernel and Drivers	Kernel	Version: WinCE6.0
	System Clock	System frequency: 400 MHz
	Display	LCD driver, Supports 480 × 272 display	√
	EEPROM	EEPROM driver	√
	EMACB	NET driver	√
	I2C	I2C bus driver	√
	NandFlash	NandFlash driver	√
	SDHC	MicroSD Card driver	√
	Serial	Serial driver	√
	Touchscreen	Touchscreen driver	√
	USB Host	Supports EHCI and OHCI	√
	WAVEDEV	Audio, supports WM8731	√
	DMA	DMA driver	√
	USB Device	Synchronization with PC	√
Synchronization Software in PC	Microsoft ActiveSync	Use to transmit data between PC and board via USB
Download tools in PC	HyperTerminal	Serial debug terminal, USB image download tool
Download tools in PC	SAM-BA1.13+USB	SAM-BA downloads Bootloader and kernel to NandFlash on the board via USB

Test routines and resources based on MDK

Project	Description
audio	Audio test
nandflash	Get familiar with the NandFlash operation
fatfs	Get familiar with the basic operation of the file system
filesystem	Based on FAT file system and Embedded file system lib implementation
dataflash	Use SPI interface to access DataFlash code efficiency
twi-eeprom	Applying the TWI host to access the EEPROM chip
rtt	Application of real-time timer
rtc	Application of real-time clock
twi	Application of TWI with Master and Slave
emac	Application of Ethernet
emac_uip_helloworld	Implementation of web server and telnet
emac_uip_telnetd	Application of remote access
emac_uip_webserver	Application of web server
sdmmc	Application of SD card interface
sdcard	Application of SD card
fatfs_sdcard	Application of file system and SD card
usb_device_core	Application of USB UDP interface
usb_device_hid_transfer	Application of USB Human Interface Device class
usb_device_cdc_serial	Application of USB Communication Device class
usb_device_hid_keyboard	Button test based on the USB HID driver
buzzer	Application of buzzer
tsensor	Application of temperature sensor
lcd	Application of LCD
touchscreen	Application of touchscreen
Button	Button test using interrupt

AT91SAM9X25 Documentation Page

Ships from: China
Lead time: 1 week

This product was added to our catalog on Thursday 30 August, 2012.