Advantech ROM-7420 User manual
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ROM-7420 Evaluation Kit
Quick Start Guide
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Contents
1. Copyright Notice
2. Introduction
3. Quick installation of ROM-7420 evaluation kit
3.1 Correct handling process
3.2 Incorrect handling process
3.3 Jumper setting
3.4 I/O Specification
3.4.1 ROM-7420 evaluation kit overview
3.4.2 Connectors and Headers
3.4.3 Power Distribution
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1. Copyright Notice
This document is copyrighted, 2013 by Advantech Co., Ltd. All rights are reserved. Advantech Co.,
Ltd. reserves the right to make improvements to the products described in this manual at any time.
Specifications are thus subject to change without notice.
No part of this document may be reproduced, copied, translated, or transmitted in any form or by
any means without the prior written permission of Advantech Co., Ltd. Information provided in this
manual is intended to be accurate and reliable. However, Advantech Co., Ltd. assumes no
responsibility for its use, or for any infringements upon the rights of third parties which may result
from its use.
All the trademarks of products and companies mentioned in this document belong to their
respective owners.
Copyright © 1983-2013 Advantech Co., Ltd. All Rights Reserved
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2. Introduction
This document is to introduce ROM-7420 evaluation kit and let the end users start module
evaluation easily and smoothly. It includes 2 parts of concepts: Correct handling process and the
detail input/output connector and pin header specifications.
ROM-7420 evaluation kit includes ROM-7420 RISC Q7 module and ROM-DB7500 Advantech RISC Q7
Evaluation Carrier Board. It is highly recommended to completely read this document before
starting ROM-7420 evaluation since it includes critical information as pin define, handling process
and connector information. In the meanwhile, you should also comply with all warming notices and
regulations you read in this document, it can prevent damaging ROM-7420 evaluation kit and
spoiling those devices being connected.
Inappropriate installation may cause physical damage to ROM-7420 and its carrier board
ROM-DB7500, result it function-loss or abnormal behaviors as kernel panic or unstable electric
currents in the evaluation kit. In this case, we would identify this inappropriate use of evaluation kit
as human negligence and we are afraid it is excluded from our quality assurance policy.
For more information about Advantech’s policy and customer services, please visit Advantech
official website: www.advantech.com.tw
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3. Quick installation of ROM-7420 evaluation kit
3.1 Correct Handling Process
A. Install the ROM-7420 module board to carrier board at a 30 degree angle.
B. Press down the module board and make sure the 4 screw holes are aligned with the carrier
board
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C. Adjust the 4 screws clockwise to fix them in place
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3.2 Incorrect Handling Process
A. Install ROM-7420 module board upside down
B. Install ROM-7420 through horizontal move without preventing interferes with the connectors on
carrier board
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C. Fix ROM-7420 to carrier board without using M2.5x3 screws
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3.3 Jumper setting
ROM-7420 module board
SW2 Boot Rom Selection
Part Number 1600000202
Footprint SW_2x2P_50_161X315
Description DIP SW CHS-02TB(20) SMD 4P SPST P=1.27mm W=5.4mm
Pin Pin Name
1 +3V
2 GND
This switch is designed for selecting boot up method. With Switch 1 on and Switch 2 off, the board boots
from on board eMMC; with Switch 1 off and Switch 2 on, it boots from SD/MMC card.
Boot Rom selection
SW2
1
2
SPI NOR
ON
OFF
SD Slot
OFF
ON
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ROM-DB7500 Evaluation Carrier Board
<LVDS>
LVDS_VDD_SLT1 Panel power Setting
Description Panel power for LVDS1
Setting Function
(1-2) +3.3V *
(3-4) +5V
(5-6) +12V
LVDS_VDD_SLT2 Panel power Setting
Description Panel power for LVDS2
Setting Function
(1-2) +3.3V *
(3-4) +5V
(5-6) +12V
LVDS_BKLT_SLT1 Backlight power Setting
Description Panel power for LVDS_PWR1
Setting Function
(1-2) +5V *
(2-3) +12V
LVDS_BKLT_SLT2 Backlight power Setting
Description Panel power for LVDS_PWR2
Setting Function
(1-2) +5V *
(2-3) +12V
2
4
6
1
3
5
2
4
6
1
3
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