Piesia TOP2550 User manual

Mainboard Interface Description
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TOP2550 Motherboard
（PCB Rev:1.00）
Manual Version 1.00
2013.02.23

Mainboard Interface Description
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1 Introduction
TOP-2550 is a low power consumption Mini-ITX industrial motherboard，Adopt Intel Cedar View
CPU and NM10 chipsets,support Cedar View -D、Cedar View –N CPU.
1.1 Main Feature
1.1.1 Onboard CPU,support Intel Atom D2550/D2700/N2600/N2800 processors.
1.1.2 Onboard 2GB DDR3. (SO-DIMM socket maximum 4GB optional)
1.1.3 Support HDMI，Standard HDMI interface.
1.1.4 Support RGB CRT，Standard DB15F.
1.1.5 Support single CH 24bit LVDS output.
1.1.6 Onboard a gigabit network card.
1.1.7 Onboard HDA ALC662, Support MIC_in/LINE_out and pin header.
1.1.8 Support 3-Pin SPDIF.
1.1.9 Onboard dual channel audio amplifiers，Per channel support 4 w / 8 Ω horn，row pin output
（Option）.
1.1.10 1*Mini-PCIE socket(Wifi/3G).
1.1.11 1*Mini-SATA socket.
1.1.12 2*SATA 2.0 interfaces.
1.1.13 6*USB 2.0 port。
1.1.14 Provide 4*RS232 pin headers,2*RS485/RS422 pin headers.
1.1.15 Support PS/2，pin header.
1.1.16 Support LPT，pin header.
1.1.17 2*3-Pin FAN connectors.
1.1.18 Support 8*GPIO.
1.2 Power Supply
Input DC power connector,DC_12V(+/-5%).
Support AT/ATX power supply.
1.3 Size
170 mm x 170 mm
1.4 Working Environment
Working Temp:--20°C~70°C (-4°F~158°F)
Storage Temp:-20°C~80°C (-4°F~176° )
Operating Humidity: 10%~90% (non-condensing)

Mainboard Interface Description
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2 TOP550 Front side interfaces layout
TOP floor layout as below:
Remark:Interfaces in the above picture,Pin 1 are in square shape.

Mainboard Interface Description
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2.1 DC_IN1、DC_IN2&DC_IN3
Motherboard input power connectors,Production can only choose one interface, customer
connections as needed.
DC_IN1 adopt ATX_12V power interface.(conventional product )
DC _IN2 is the DT-126RP-02P type Terminal Blocks interface.Please pay more attention to the
Positive/Negative pole of the power.
DC_IN3 for DC JACK connector, the center column diameter of 2.5 mm.
(please input the power,after devices,cables all installed.)
2.2 HDMI1&HDMI2
HDMI1 is a standard HDMI output interface.
HDMI2 is a user-defined HDMI pin header,definition as below.
2.3 CRT1 &VGA1
CRT1 is a standard CRT monitor output connector.
VGA1 is 2×5,2mm pin header,can not use at the same time.

Mainboard Interface Description
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2.4 LVDS1
24bit single CH LVDS interface,adopt 2×15,2mm pin header,definition as below:
VCC_LVDS is the power for screen,default setting is 3.3V,choose through the resistance.
.
Select resistance
VCC_LVDS voltage
R593
3.3V（default setting）
R584
5V
2.5 LVDS_P
LVDS screen back light interface,adopt CJT A2001WR-6P-1connector or other
compatible connector.Definition as below:
LVDS_P
LVDS_P definition
1
Ground
2
Ground
3
Back light luminance control
4
Back light-ON
5
12V
6
12V
2.6 SPDIF
Optical fiber audio output interface is optional.