SBC6845 Single Board Computer
- 400MHz Atmel SAM9G45 ARM926EJ-S Microcontroller
- On Board 128MB DDR2 SDRAM, 256MB Nand Flash and 4MB Data Flash
- USB, Ethernet, Serial Ports, CAN, LCD, SD, Audio, Keyboard …
- Extended Precise RTC, RS485 with Isolation
- Supports Connecting to Large Size LCD through Optional LVDS Converter Board
- Ready-to Run Linux 2.6.30 OS and WinCE 6.0 OS
SBC6845 Single Board Computer (battery is not provided in deliveries)
Hardware Features
 Mechanical Parameters
Processor
- Atmel AT91SAM9G45 ARM926EJ-S Core Microprocessor (compatible with AT91SAM9M10)
-
32 KBytes Data Cache, 32 KBytes Instruction Cache, MMU
-
One 64-kbyte internal SRAM and One 64-kbyte internal ROM
-
Can work at up to 400MHz
Memory
Audio/Video Interfaces
Data Transfer Interfaces
- Serial Ports
- Debug: 3-wire RS232 serial port (TTL is designable)
- COM0: 3-wire TTL serial port (RS232 is designable)
- COM1: 5-wire TTL serial port (RS232 is designable)
- COM2: 3-wire RS485 serial port with isolation (TTL is designable)
- COM3: 3-wire RS232 serial port (TTL is designable)
- One CAN 2.0 interface (with power and signal isolation)
- Two High-speed USB 2.0 Host ports, 480Mbps
- One 10/100Mbps Ethernet port (RJ45 with LED)
- One SDHC card slot (Hot plug-and-play)
- One 2.54mm pitch 2*10-pin expansion interface (SPI, I2C, PWM, ADC are led out from this connector)
Input/Output Interfaces and Other Facilities
- 6*6 matrix keypad interface (through one 2.54mm pitch 2*10-pin connector)
- 16 GPIOs extended from CPU (through one 2.54mm pitch 2*10-pin connector)
- 3 Keys (one for Reset and two for user defined)
- Precise RTC, battery backed (user need to prepare the battery themselves, recommended Model: CR2032)
- 5 LED status indicators
Software Features
| OS |
Item |
Feature |
Description |
| Linux |
Boot |
Version |
u-boot 1.3.4 |
| Boot Mode |
Boot from Data Flash |
| Download Mode |
Download kernel and file system from Ethernet |
| Update kernel |
Support programming kernel image into Data Flash and Nand Flash |
| Update file system |
Support programming Yaffs2 file system into NandFlash |
| Kernel and drivers |
Version |
Linux 2.6.30 |
| File system |
Support ROM/CRAM/EXT2/RAMDISK/YAFFS2/FAT32 |
| Driver |
Serial, RS485, RTC, NET, LCD, Touch Screen, Audio out, SD, USB, CAN, Keypad, LED, GPIO, Buzzer |
| File System |
Format |
yaffs2 file system, can be read and written |
| Network protocol and applications |
TCP/IP |
Complete TCP/IP protocol |
| System configuration and service |
Network Ping |
Ping command, used in checking system |
Ifconfig, route, inetd |
Used in network configuration and relative service program |
Login, telnet, echo, discard |
Login and other program |
| Basic command |
Linux command |
Cat, chmod, discard, echo, flashwrite, flashfsd, free, genhtml, init, kill, loader, Ls, mkdir, mount, ps, reboot, rm, smanaged, sysconf, yes, insmod, lsmod, rmmod
|
| Graphics library |
Qt/Embeded Qtopia |
Already ported |
| WinCE |
Boot |
Version |
Eboot (Wince 6.0) |
| Boot Mode |
Boot from NAND Flash |
| Download Mode |
Download image from Ethernet or VS2005 or SAM-BA |
| Kernel |
Version |
WinCE6.0 |
| Driver |
Serial, RS485, RTC, NET, LCD, Touch Screen, Audio out, SD, USB, CAN, Keypad, LED, Buzzer, GPIO |
General Description
Embest SBC6845 Single board computer is a high-performance ARM embedded single board computer (SBC) with popular ATMEL AT91SAM9G45 Processor. It is a compact board with frequently used functions and also with small size. It is designed for a wide range of applications including Industrial Control Terminal, Intelligent Instrumentation, Data Acquisition and Analysis, Medical products,.Network Terminal, etc.
The SBC6845 Single board computer has 128MBytes DDR2 SDRAM, 256MBytes Nand Flash and 4MBytes Data Flash on board. It extends many hardware interfaces including serial ports, USB Hosts, CAN, RS485, Ethernet, SD card, Audio out, keypad, LCD, Touch screen and etc.
Embest offers 4.3 inch and 7 inch size LCDs including touch screen for options, user can connect the LCD/TSP through one 2.54mm pitch 2*20-pin connector on board, the driver has already provided and user can use it already. If user wants to use large size LCD with the SBC6845 board, Embest also offers one RGB-to-LVDS converter board SBC6000_LVDS as an option which can convert the LCD RGB signal to LVDS signal to create the large size LCD connection possibility.
The
SBC6845 Single board computer is ready to run Linux 2.6.30 open source operating system and WinCE 6.0 operating system. We provide Linux source code, WinCE BSP, User Manul and part of development tools to help customer with their own development. So the board is a stand platform ideal for evaluation and early development work. The board also has a compact and logic layout and user can use it directly for their next embedded design which can help to shorten the time from embedded board to products.
Optional Modules
SBC6000_LVDS: RGB-to-LVDS converter board
SBC6845_SPI_UART: UARTs extension through SPI
SBC6845_USB_NET: Ethernet extension through USB
SBC6845_VGA: VGA module (convert LCD TTL signal to VGA signal)
WCDMA8000-U: USB 3G Module (WCDMA standard)
Other Relative Documents and Links
 SBC6845 Board Overview
SBC6000_LVDS RGB-to-LVDS Converter Board User Manual
SBC6845 Board Dimension Drawing (Top View)
SBC6845 Board Structure Block Diagram
Atmel AT91SAM9G45 Datasheet
Atmel AT91SAM9M10 Datasheet
Customer Design Service
Embest also offers customer design service based on the SBC6845 board according to customer’s requirement. Whether you need to reduce, add or modify to existing hardware, Embest will help customers with expert competence and rich experience.
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