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EMB-7541
V1.0
SZ HQ: 0755-27331166
Beijing: 010-82671166
Shanghai: 021-61212081
Chengdu: 028-85259319
Shenyang: 024-23960846
Xi’an: 029-88338386
Nanjing: 025-58015489
Wuhan: 027-87858983
Tianjin: 022-23727100
Singapore: 65-68530809
For more product information, please visit www.norco-group.com
EMB-7541
V1.0
Disclaimer
Except for the accessories attached to the product as specified herein,
what is contained in this user manual does not represent the commitments
of NORCO Company. NORCO Company reserves the right to revise this
User Manual, without prior notice, and will not be held liable for any direct,
indirect, intended or unintended losses and/or hidden dangers due to
installation or improper operation.
Before ordering products, please learn about the product performance
from the distributors to see if it is in line with your needs. NORCO is a
registered trademark of Shenzhen NORCO Intelligent Technology CO., LTD.
The ownership of other trademarks involved in this manual is owned by its
respective owners.
The contents of this manual are protected by copyright law. All rights
are strictly reserved. Any form of unauthorized reproduction including but
not limited to carbon copy, facsimile transmission and electronic copy or
email is prohibited.
Safety Instructions
1. Please read the product manual carefully before using this product.
2. Put all the unused or uninstalled boards or electronic components in a static dissipate
surface or static shielding bag.
3. Always ground yourself to remove any static discharge before touching the board, to place
your hands on grounding metal object for a while or wear a grounding wrist strap at all times.
4. When taking or fetching the boards or cards, please wear anti-static gloves and have the
habit of holding the boards by its edges.
5. Make sure that your power supply is set to the correct voltage in your area. Incorrect voltage
may cause personal injuries and damage the system.
6. To prevent electronic shock hazard or any damage to the product, please ensure that all
power cables for the devices are unplugged when adding or removing any devices or
reconfiguring the system.
7. To prevent electrical shock hazard, disconnect the power cable from the electrical outlet
before relocating the system.
8. When adding or removing devices to or from the system, ensure that all the power cables for
the devices are unplugged in advance.
9. To prevent any unnecessary damage to the products due to frequent power on/off, please
wait at least 30 seconds to restart the unit after the shutdown.
10. If system goes wrong during the operation, do not try to fix it by yourself. Contact
a qualified service technician or your retailer.
11. This product is classified as Class A product, which may cause radio interference in our
living environment. In this occasion, users need to take measures to handle the interference.
Contents
Chapter 1 Product Introduction
.........................................................................................................
1
1.1 Hardware Specification............................................................................................................ 1
Chapter 2 Hardware Function
............................................................................................................
3
2.1 Interfaces Location & Dimension....................................................................................... - 3 -
2.2 Installation Steps.................................................................................................................. - 3 -
2.3 Jumpers Function Setting................................................................................................... - 4 -
2.4 Interfaces Specification....................................................................................................... - 4 -
2.4.1 Serial Port,DI/DO.......................................................................................................- 4 -
2.4.2 USB Port（USB，OTG)
..........................................................................................
- 5 -
2.4.3 Ethernet Interface（LAN）
......................................................................................
- 6 -
2.4.4 Audio Interface（HP，MIC）
..................................................................................
- 7 -
2.4.5 Reset（RESET）
......................................................................................................
- 9 -
2.4.6 LED Indicator Light................................................................................................... - 9 -
2.4.7 Display Port（HDMI ）
.........................................................................................
- 10 -
2.4.8 MIPI RX Port（J12，J13，J14）
.........................................................................
- 11 -
2.4.9 Port（TF）
...............................................................................................................
- 14 -
2.4.10 Expension Port（J2）
..........................................................................................
- 14 -
2.4.11 JTAG Debugging Interface（JTAG）
................................................................
- 16 -
2.4.12 Power Interface（PWR）
....................................................................................
- 16 -
2.4.13 Automatic Aperture Adjustment Interface（J7、J8）
.....................................
- 17 -
2.4.14 Front Panel Interface（JFP）
............................................................................
- 18 -
Chapter 3 Software Function
...........................................................................................................
21
3.1 Linux 4.9.37 System............................................................................................................ 21
3.1.1 Mpp Sample Introduction............................................................................................21
3.1.2 HDMI..............................................................................................................................22
3.1.3 LCD................................................................................................................................ 22
3.1.4 USB................................................................................................................................22
3.1.5 COM...............................................................................................................................22
3.1.6 TF Card......................................................................................................................... 22
3.1.7 Relay..............................................................................................................................23
3.2.8 Ethernet.........................................................................................................................23
3.2.9 Sound Card and Microphone.....................................................................................23
3.2.10 Camera........................................................................................................................23
Appendix
................................................................................................................................................
26
Appendix 1: Glossary.................................................................................................................... 26
Packing List
Thanks for purchasing NORCO products. Please check the
accessories as per the packing list when you open its package. If you find
any defect components or anything damaged or lost, please contact your
vendor ASAP.
■ EMB-7541 V1.0 Motherboard
1pc
Chapter
One
Product
Introdu
ction
EMB-7541 V1.0
1
Chapter 1 Product Introduction
1.1 Hardware Specification
Size
●Platform：HiSilicon ARM
●Size：125mmX80mm
Processor
●CPU：Hi3519AV100，dual core A53 1.2GHz processor
System Memory
●On board memory,support DDR4,memory up to 4G Bytes,default 2GB ； Provides 16GB
iNAND FLASH.
Display
●1xHDMI port, can support up to 4Kx2K @60fps output
●1xMIPI DSI port，can support up to 1080p@60fps output
Storage
●Provides 1xTF card slot，up to 64G.
●On board 16GB iNAND Flash.
CMOS sensor input
●3x MIPI RX ports，external MIPI camera through interface board
●Support multiple camera input：1* 4K60fps input；2*3Kx3K30fps input；4* 1080P30fps input；
1*4K30fps+4*720P30fps input.
AUDIO
●Provide integrated audio codec
●Provides 2xMic，1xLINE_OUT
EMB-7541 V1.0
2
●Provides 1xI2S
LAN
●Provides 1x 1000M RJ45(General terminal)，support 10/100/1000Mbps network.
I/O
●Serial port：2xRS232，in which 1xdebug port，1xRS458
●USB：1xUSB3.0 port 1xOTG port，support device and host module
Expansion Port：
●2x DI，1x DO
●1x PWR LED，1x RUN LED
●1x Gyroscope
●1x External reset button
●3xUART port
●2xAutomatic aperture adjustment interface：DC-IRIS、P-IRIS
●1xJTAG debugging
●PMC Power Management Interface
●1xJFP Front panel interface
Power supply
●12V single supply，supports hardware and software switch for system auto boot upon power
on
Watchdog
●Support hardware reset function
Operating Environment
●Operating Temperature：-20℃～+65℃
●Storage Temperature：-40℃～+85℃
●Operating Humidity：5%~95%，RH, non-condensing
Chapter
Two
Hardware
Function
EMB-7541 V1.0
Chapter Two
Hardware Function
2.1 Interface Location and Dimensional Drawing
Following is the front interface location and dimensional drawing of EMB-7541 V1.0.
Please be careful during the installation. Improper installation may lead to system failure.
Note: In case of any electrostatic damage caused to some components, please wear
anti-static gloves to install the motherboard.
2.2 Installation
Please refer to following steps to assemble your computer:
1．Adjust all jumpers on board EMB-7541 V1.0 according to the user manual.
2．Install other expansion card.
3．Connect all signal line, cable, ,panel control circuit, and power supplier.
EMB-7541 V1.0
Key components of this motherboard are Integrated circuit and these components
could be easily damaged by electrostatic influence. So, before installing this unit, please
always keep the following precautions in mind:
1．Hold the board by edges and don’t touch any components, plugs or socket pins.
2．Wear anti-static gloves/wrist strap while touching the integrated circuit components, such as
CPU, RAM, etc.
3．Put those unused or uninstalled components in static shielding bags or trays.
4．Please first check the power switch is off before connecting the power plug.
Before installing the computer accessories
Following the instructions below will help to prevent your computer from being
damaged, and also ensuring your personal safety.
1．Please make sure your computer is disconnected from the power supply.
2．Please always wear anti-static strap or gloves to operate the board in case that you may
touch the integrated circuit components, such as RAM.
2.3 Jumper Settings
Please refer to following instructions to do jumper settings before installing your hardware
devices.
Remark: How to identify the PIN1 of all jumpers and interfaces: Please observe the
mark near the plug and socket, which is a “1” or bold line or triangular symbol; And
please look at the back of PCB, the one in the shape of square is the PIN 1; and PIN1 for
every jumper is remarked by a white narrow near it.
2.4 Interface Specification
When connecting external connectors, please read this manual carefully to avoid
damage to the motherboard!
2.4.1 Serial Port,DI/DO
Provides 3xserial ports， Uart0 is the debugging port（not used as common serial port），
J1 support 1*RS232， 1*RS485， 2x DI， 1x DO（relay control output）.
EMB-7541 V1.0
UART0：
Pin
Signal Name
1
COM0_TX
2
COM0_RX
3
GND
J1：
Signal Name
Pin
Signal Name
COM3_TXD
1
2
DO1
COM3_RXD
3
4
NO1
GND
5
6
GND
COM4_485+
7
8
IO_IN1
COM4_485-
9
10
IO_IN2
2.4.2 USB Port（USB，OTG)
Provides 1xbuilt in USB2.0 OTG connector ， support Host and Device module ； 1 x
USB3.0(TYPE A) port ，1xOTG port.
UART0
J1
UART0
EMB-7541 V1.0
USB: Standard USB3.0 TYPE A interface definition.
OTG：
Pin
Signal Name
1
5V
2
USB-
3
USB+
4
ID
5
GND
2.4.3 Ethernet Interface（LAN）
Provides 1xRJ45 network interface ，the yellow one indicates data transmission status,
and the green one indicates network connection status.
USB
OTG
EMB-7541 V1.0
RJ45 LAN LED Status Description：
LILED（Green）Status
Function
ACTLED（Yellow）status
Function
ON
100/1000M link
FLASH
Data transmission
OFF
10M link or closed
OFF
Data stopped
2.4.4 Headphone Jack（HP，MIC）
On board 2 x MIC IN，1 x Headphone output，provide 1x four-section headphone jack and
1x single MIC IN connector.
LAN
MIC
HP
EMB-7541 V1.0
HP: International standard interface definition for standard four-section headphones.
MIC1：
Pin
Signal Name
1
MIC1_R
2
MIC1_L
3
GND
EMB-7541 V1.0
2.4.5 RESET
Supporting external reset
2.4.6 LED Indicator
Supporting two exposed LED lights ， upper green and lower red ， green light means
running light, red light means power supply light.
RESET
LED
EMB-7541 V1.0
2.4.7 Display Port（HDMI）
Provides 1xHDMI Display Interface.
HDMI：
Signal Name
Pin
Signal Name
D2+
1
2
D2 Shield
D2-
3
4
D1+
D1 Shield
5
6
D1-
D0+
7
8
D0 Shield
D0-
9
10
CK+
CK Shield
11
12
CK-
CE Remote
13
14
NC
DDC CLK
15
16
DDC DATA
GND
17
18
+5V
HP DET
19
20
SHELL0
SHELL1
21
22
SHELL2
SHELL3
23
24
SHELL4
SHELL5
25
26
SHELL6
SHELL7
27
28
SHELL8
SHELL9
29
30
SHELL10
SHELL11
31
HDMI
EMB-7541 V1.0
2.4.8 MIPI RX Port（J12，J13，J14）
Provides CMOS Sensor input port (Design adapter board according to lens
specifications)，support Sensor input solution：1x 4K60fps input；2x 3Kx3K30fps input；4x
1080P30fps input；1x 4K30fps + 4x 720P30fps input.
J12:
Signal Name
Pin
管脚
Signal Name
5V0
1
2
5V0
GND
3
4
GND
IR_CONTROL2
5
6
/
IR_CONTROL1
7
8
/
GND
9
10
/
/
11
12
/
/
13
14
/
P_IRIS_CONTROL1_1V8
15
16
/
P_IRIS_CONTROL2_1V8
17
18
GND
/
19
20
MIPI_RX2_CK0N
J14
J13
J12
/
