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SBC6845
  • SBC6845

Overview:

Sbc6845 industrial single board computer is an ARM embedded industrial control application single board computer based on ATMEL at91sam9g45 industrial processor. Sbc6845 has 128MB DDR2 SDRAM, 256MB nandflash and 4MB DataFlash on board. It has expanded 5-way RS232 serial port (com2 as RS485), 1-way can interface, network interface, high-speed USB host, SD / MMC interface and audio out interface.

Sbc6845 is completely designed according to industrial standards, and can work stably in a wide temperature range of – 40 ℃ ~ 85 ℃. It can meet various application requirements of industrial products, and is widely used in industrial control, field communication, data acquisition and analysis, instrumentation and other fields.

SBC6845工业单板机

  • ATMEL at91sam9g45 (arm 926ej-stm, main frequency 400MHz) industrial chip, compatible with at91sam9m10processor

  • 128MB DDR2 SDRAM, 256MB nandflash, 4MB DataFlash on board

  • External expansion precision RTC, support multiple sizes of LCD display, CPU support maximum resolution 1280 * 860

  • On board 5-way serial port (com2 as RS485), 1-way can bus interface, 1-way road network interface, and support a variety of communication modes

  • One SPI bus, one IIC bus, one PWM signal and one 10bit ADC are expanded

  • Support Linux 2.6.30/wince 6.0 operating system, and provide all on-board peripheral driver instructions and related test procedures

Structure block diagram:

SBC6845工业单板机

Hardware features:


  CPU unit:

  • ATMEL at91sam9g45 industrial processor chip

  • 400MHz ARM926EJ-S

  • Extended precision RTC, external backup battery (CR2032, not equipped by default)

 Memory:

  • 128MB DDR2 SDRAM

  • 256MB NandFlash

  • 4MB DataFlash

  • High speed SD card interface, supporting hot swap

Communication serial port:

  • 5-way serial port

  • Debug: 3-wire RS232 serial port (can be customized as TTL)

  • COM0: 3-wire TTL serial port (can be customized to RS232)

  • COM1: 5-wire TTL serial port (can be customized to RS232)

  • Com2: 3-wire RS485 serial port with isolation (can be customized as TTL)

  • COM3: 3-wire RS232 serial port (can be customized as TTL)

  • 1-channel Ethernet (CPU internal controller, 10 / 100Mbps with light)

  • 2-way USB host (supports USB keyboard, USB mouse and hot swap)

  • One CAN-bus (one power isolated can-bus2.0 bus)

  Display interface:

  • LCD

  • The CPU supports a maximum resolution of 1280 * 860

  • Color bits 16 bit RGB mode

  • 4.3 'and 7' are optional for shipment

I / O interface:

  • Keyboard interface (6×6 matrix keyboard)

  • Touch screen (4-wire resistive touch screen)

  • Buzzer (1-way buzzer)

  • Audio out (supports MP3 format audio playback)

  • GPIO (16 gpios (all from CPU))

 General interface:

  • Reset button

  • LED indicator (onboard power supply indication, working status indication)

  • 2-way IO button

   Extension interface:

  • One SPI bus

  • One IIC bus

  • 1-way PWM

  • 1 channel acquisition input (ADC) (1 channel 10 bit AD conversion controller)

 Other configurations:

  • Real time clock (RTC) (independent real time clock module with backup battery)

  • System power supply (DC12V power input is supported by default)

 Electrical characteristics:

  • Working temperature: – 45 ℃ ~ 85 ℃

  • Mechanical dimension: 57.0 mm * 44.5 mm

  • Working humidity: 20% – 90% (non condensing)

  • Electrical index: 12V@1.25A

  • PCB specification: 6-layer board design

Software features:


 Linux system features:

  Projects

characteristic

Description

startup code

edition

u-boot 1.3.4

Start mode

Support starting from DataFlash

Download method

Support downloading kernel and file system from network

Update kernel

Burn image to nandflash and DataFlash

Update file system

Support burning yaffs2 file system to nandflash

内核

edition

Linux 2.6.30

Support file system format

ROM/CRAM/EXT2/RAMDISK/YAFFS2/FAT32

serial

Five serial port driver, one of which is 5-wire serial port with hardware flow control

RS485

RS485 driver

RTC

Hardware clock drive, power down to save and restore the system time

Ethernet port

10 / 100M Ethernet card driver (CPU with network controller)

LCD

TFT LCD driver, support 480×272, 640×480, 800×480, 800×600

Touch screen

Resistive touch screen driver

audio frequency

Audio driver

SD card

SD card drive

USB Host

USB general device driver

CAN

Expand can bus driver, provide driver and test program

Keypad

6×6 matrix keyboard driver

LED

User LED driver

Buzzer

Buzzer drive

GPIO

Provide driver

file system

File system format

yaffs2 Read write file system

Network protocol

TCP/IP

Complete TCP / IP protocol

Configure systems and services

Network Ping

Ping Command to check the network system

Ifconfig,route,inetd

For network configuration and related service program

Login,sh,echo,discard

Log in to other programs

Basic tools

Common linux commands

Cat,chmod,discard,echo,flashwrite,flashfsd,
Free,genhtml,init,kill,loader,Ls,mkdir,mount,
ps,reboot,rm,smanaged,sysconf,yes,insmod,
Ismod,rmmod

 Wince system features:

  project

characteristic

Description

startup code

edition

eboot(wince 6.0)

Start mode

Support starting from DataFlash and nandflash

Download method

Wince can be downloaded from network, VS2005 and sam-ba

operating system

edition

WINCE 6.0

Serial

Five serial port driver

RS485

RS485 driver

RTC

Hardware clock drive, power down to save and restore the system time

Ethernet port

10 / 100M Ethernet card driver (CPU with network controller)

LCD&TSP

TFT LCD touch screen driver

audio frequency

Audio driver

SD Card

SD card driver

USB Host

USB general device driver

CAN

Expand can bus driver, provide driver and test program

GPIO

GPIO drive

Keypad

6×6 Matrix keyboard driver

LED

User LED driver

Beep

Buzzer drive