Matrix Orbital HTT70 Series User manual

HTT70
For all variants of the HTT70
Hardware Manual
Revision 1.4
PCB Revision: 1.0 or Higher

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Contents
Introduction ..................................................................................................................................................4
Features ....................................................................................................................................................4
Functional Diagram...................................................................................................................................4
Ordering........................................................................................................................................................5
Ordering Part Numbering Scheme........................................................................................................5
Options..................................................................................................................................................5
Hardware ......................................................................................................................................................6
Available Headers .....................................................................................................................................6
Type A HDMI Port......................................................................................................................................7
Mini-B USB Communication Connector....................................................................................................7
Barrel Jack Power Adaptor........................................................................................................................8
Alternate Micro MATE-N-LOK Power Adaptor .........................................................................................8
Getting Started..............................................................................................................................................9
Windows ...................................................................................................................................................9
Raspberry Pi ..............................................................................................................................................9
TinkerBoard...............................................................................................................................................9
BeagleBone ...............................................................................................................................................9
USB Drivers .................................................................................................................................................10
Extended Display Information Data (EDID).................................................................................................11
Touchscreen................................................................................................................................................11
Troubleshooting..........................................................................................................................................12
Power ......................................................................................................................................................12
Display.....................................................................................................................................................12
Touch.......................................................................................................................................................13
Resources....................................................................................................................................................14
Multi-touch Firmware.............................................................................................................................14
HTT Utility Program.................................................................................................................................14
Dimensional Drawings ............................................................................................................................15
Characteristics.............................................................................................................................................19
Optical.....................................................................................................................................................19
Touch Panel.............................................................................................................................................19

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Power......................................................................................................................................................19
Environmental.........................................................................................................................................19
Recommended Accessories ........................................................................................................................20
USB Cable............................................................................................................................................20
Power Adaptor....................................................................................................................................20
Support .......................................................................................................................................................20
Contact........................................................................................................................................................20

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Revision History
Revision
Date
Description
Author
1.4
May 8, 2019
Added new Resources section
Divino
1.3
May 29, 2018
Corrected Header Population and Drawings
Divino
1.2
May 10, 2018
Corrected Header and Mates Table
Divino
1.1
February 22, 2018
Added -TPC variant drawing
Divino
1.0
November 6, 2017
First Release
Divino

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Introduction
The HTT70 is a 7.0” TFT display with an HDMI interface. The 800x480 resolution offers crisp images, and
video feedback, with 24-bit Full colour capabilities. The HTT70 can be configured with a resistive,
capacitive, or non-touch screen. Designed with industrial applications in mind, the HTT is perfect for
panel mounted applications and HMI interfaces.
Features
Compatible with Windows and Linux hosts, including:
oRaspberry Pi
oBeagleBone
oTinkerBoard
Plug and Play
USB for touch screen, HMI touch interface
Upgradable touch driver firmware
DVI/HDMI interface
Automatic resolution detected provided by EDID
Low profile mounting holes
Industrial 5-35V power input (-VPT) option
Available with:
oNo touch panel
oResistive touch panel
oCapacitive touch panel
Functional Diagram
Figure 1: HTT Block Diagram

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Ordering
The HTT70 is available with various voltage options and header orientations.
Ordering Part Numbering Scheme
Table 1: Part Numbering Scheme
HTT
70
A
-TPR
-BLM
-B0
-H5
-CH
-V5
1
2
3
4
5
6
7
8
9
Options
Table 2: Display Options
#
Designator
Options
1
Product Type
HTT: Graphic TFT Display
2
Display Size
70: 7.0”
3
Screen Type
A: A Type
G: G Type
4
Touch
-TPN: No touch panel
-TPR: Resistive touch panel
-TPC: Capacitive touch panel
5
Backlight
-BLM: 300 Nit < Brightness < 600 Nit
-BLH: 600 Nit < Brightness < 1000 Nit
-BLD: Brightness > 1000 Nit
6
Bezel
-B0: None
7
Headers
-H5: Barrel Jack with Horizontal Connectors
-H6: Barrel Jack with Vertical Connectors
-H7: Micro MATE-N-LOK with Horizontal Connectors
-H8: Micro MATE-N-LOK with Vertical Connectors
8
Protocol
-CH: HDMI interface
9
Voltage
-V5: 5V Input Voltage
-VPT: Regulated 5V - 35V Input Voltage

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Hardware
Available Headers
Figure 2: HTT70A Headers
Figure 3: HTT70G Headers
Table 3: HTT70 Headers and Mates
#
Header
Standard Mate
Population
1
HDMI Port, Horizontal, Type A Standard
Type A Standard HDMI Cable
-H5 & H7
2
HDMI Port, Vertical, Type A Standard
Type A Standard HDMI Cable
-H6 & -H8
3
Mini USB, Horizontal: Touch & Power
Mini-B USB Cable
-H5 & H7 (TPC and TPR Only)
4
Mini USB, Vertical: Touch & Power
Mini-B USB Cable
-H6 & -H8 (TPC and TPR Only)
5
Barrel Jack: 2.1mm Center Positive
Power Adaptor
-H5 & -H6
6
External Power, 2-1445057-2
Micro MATE-N-LOK 1445022-2
-H7 & -H8

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Type A HDMI Port
The HTT uses a Type A HDMI 1.0 port to receive video data from its host/source and is only compatible
with unencrypted video signals. HDCP video signals are not supported.
When properly connected, the HTT will require 5V at 55mA (minimum) from the HDMI source in order
to read the display’s EDID settings.
Figure 4: Type A HDMI Port
Table 4: Type A HDMI Port
Pin
Function
Pin
Function
1
TMDS Data 2+
11
TMDS Clock Shield
2
TMDS Data 2 Shield
12
TMDS Clock-
3
TMDS Data 2-
13
CEC (Not connected)
4
TMDS Data 1+
14
Reserved
5
TMDS Data 1 Shield
15
SCL
6
TMDS Data 1-
16
SDA
7
TMDS Data 0+
17
DDC/CEC Ground
8
TMDS Data 0 Shield
18
+5V Power
9
TMDS Data 0-
19
Hot Plug Detect
10
TMDS Clock+
Mini-B USB Communication Connector
The USB header must be connected to the host in order for the touch screen to be functional, as touch
communication occurs over USB. The Mini USB header is also used to access the HTT’s touch firmware,
and configure certain HTT settings through the HTT Utility Program. If necessary, up to 500mA of power
can be provided through the Mini-USB header to power the HTT.
Figure 5: Mini USB Connector
Table 5: Mini USB Pinout
Pin
Function
1
Vcc
2
D-
3
D+
5
Gnd

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Barrel Jack Power Adaptor
A Barrel Jack power adaptor is available on the HTT70 as standard to provide power to the display.
When choosing an adaptor, please ensure it uses a 2.1mm x 5.5mm center positive barrel jack that
conforms to the voltage and current requirements of your display. Please consult the Power section for
details.
Figure 6: Barrel Jack Power Adaptor
Table 6: Power Adaptor Pinout
Pin
Function
1
Vcc
2
Gnd
Alternate Micro MATE-N-LOK Power Adaptor
Some applications may prefer a lower profile 2-pin power header option as opposed to the standard
Barrel Jack. The HTT70 can be populated with a versatile Micro MATE-N-LOK 2-pin header as an
alternative to the standard barrel jack. The Micro MATE-N-LOK 2-1445057-2 header used can be mated
to a Micro MATE-N-LOK 1445022-2 or similar.
When choosing an adaptor, please ensure that it conforms to the voltage and current requirements of
your display. Please consult the Power section for details.
Figure 7: Micro MATE-N-LOK Power Adaptor
Table 7: Power Adaptor Pinout
Pin
Function
1
Vcc
2
Gnd

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Getting Started
When connecting your HTT display, power must first be applied through the barrel jack or optional
Micro MATE-N-LOK header. Once powered, connect the HTT to your source HDMI cable.
Windows
When connected to Windows, the HTT’s resolution will be automatically detected and set through the
on-board EDID. The HTT display should immediately appear in display settings. No additional software
setup will be required.
Raspberry Pi
Some setup will be required before the display can be used with a Raspberry Pi unit. The HDMI
resolution will have to be configured through the config.txt file (located in /boot/config.txt).
The following modifications can be made to the Raspberry Pi’s config.txt file, forcing the HTT’s
resolution settings:
#Set the Monitor mode to DMT.
hdmi_group=2
#Use a custom resolution.
hdmi_mode=87
#Use an 800 x 480 resolution @ 60Hz
hdmi_cvt= 800 480 60 6 0 0 0
#Deliver max current through USB
Max_usb_current=1
The configuration lines listed above will configure the Raspberry Pi to drive an 800 x 480 display at 60Hz.
TinkerBoard
The HTT will be compatible with TinkerOS-Debian. Once connected, the Tinkerboard will autodetect the
HTT’s display settings. No further software configuration is required.
The HTT is not fully compatible with TinkerOS-Android Marshmallow.
BeagleBone
The BeagleBone board will autodetect the HTT’s EDID display settings automatically. No further
software configuration is required.

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USB Drivers
The HTT70’s touch panel can be configured as either an HID-Compliant Mouse, or an HID-Compliant
Touch Screen. The touch panel will respond to finger gestures differently depending on which firmware
is installed.
Once the HTT is properly installed on Windows, two new devices will be present in Device manager.
HID-Compliant Mouse
USB Composite Device
Table 8: HTT Device VID/PID
VID
0x1B3D
PID
0x14C2
Figure 8: HTT USB Driver Listing
Table 9: HTT Device VID/PID
VID
0x1B3D
PID
0x14C9
Figure 9: HTT USB Driver Listing

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Extended Display Information Data (EDID)
The HTT’s on-board EDID comes preconfigured, so users won’t have to worry about setting up their
screen resolution or display timings. Once plugged in, the EDID settings will be read automatically,
setting the HTT’s display resolution.
EDID settings can be accessed through the HTT’s I2C headers. The default HTT70 EDID data can be
found below.
static byte[] EDID_HTT70A = {
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x35, 0xE3, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00,
0xFF, 0x1B, 0x01, 0x03, 0x80, 0x0F, 0x09, 0x00, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0xE4, 0x0C, 0x20, 0x7D, 0x30, 0xE0, 0x2D, 0x10, 0x25, 0x30,
0xD3, 0x00, 0x9A, 0x56, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE1,
};
Touchscreen
The HTT70 can be configured with either a Resistive or Capacitive screen. The HTT70’s USB header must
be connected in order for the touch panel to operate properly. Once the HTT70 has been connected
properly and the touch screen is recognized, the HTT will use the host device’s built-in touch drivers.
This allows the HTT70 to take advantage of the host device’s touch driver and pre-installed touch
gestures.

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Troubleshooting
Power
To function correctly, the HTT70 must be supplied with the appropriate power. If the power LED near
the top right corner of the board is not illuminated, power is not applied correctly. Try the tips below.
HTT devices have specific power requirements. Ensure the correct voltage and sufficient
current are available to your device by consulting the Power table.
Check the power cable that you are using for continuity. If you don't have an ohm meter, try
using a different power cable; if this does not help try a different power supply.
Check the power connector in use on your display. If the connector has become loose or
you are unable to resolve the issue, please use the Contact section to reach a friendly Matrix
Orbital support representative.
Display
If your display is powered successfully and connected to an HDMI source, the video feed should appear
on screen immediately. The video signal should be clean, and the picture should fit the screen of the
display. If this is not the case, check out these tips.
If you are connected to a single board computer, such as a Raspberry Pi, and your screen
displays a white screen on start-up, or slowly fade to white, please check the Config.txt file
to ensure that the display is properly configured.
If the display is flickering, or if the display’s backlight is not consistent, try supplying
additional power through the display’s barrel jack.
If your display shows picture but there are white lines along the edge(s) of the display, your
display may be receiving the incorrect number of pixels. The HTT does not have a resolution
scaler, and therefore the appropriate 800 x 480 resolution must be specified for all the pixels
to be used.
If there are large black bars on the edges of the display, or if the video image appears to be
offset, please use the Contact section to reach a friendly Matrix Orbital support
representative

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Touch
The HTT70 can be ordered with a touch panel. When the touch panel is properly configured the touch
cursor will accurately follow your finger as it moves across the screen. If the cursor is not responding to
your touches, or if the cursor is offset from your finger, try the following:
If you are using a resistive touch display, try downloading the HTT Calibration Software,
available on our website here: https://www.matrixorbital.com/software/htt-calibration
Once downloaded, run the calibration program and follow the instructions that appear on
screen.
If you are using a capacitive touch display, make sure the screen is clear of debris or droplets.
If you are still unable to resolve the issue, please use the Contact section to reach a friendly
Matrix Orbital support representative.

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Resources
A set of resources are available to help guide new users when they first start their development with the
HTT70. These resources can be found on the HTT70 product page on matrixorbital.com.
Multi-touch Firmware
New firmware revisions are available for download on matrixorbital.com. Once installed, the HTT70’s
touch panel will be recognized as an HID-Compliant Touch screen, allowing the display to take
advantage of any touch gestures built into the host’s touch driver. Gestures such as one finger scroll
and one finger swipe are commonly available on most popular hosts. Multi-touch gestures such as
pinch to zoom are available for capacitive touch panels.
HTT Utility Program
The HTT Utility program is compatible with the resistive and capacitive HTT display variants and grants
users full control of their displays. Through this program, users will be able to change HTT configuration
settings such as the touch panel’s software orientation, touch screen calibration, touch sensitivity
(capacitive touch panel only), backlight brightness and more.

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Dimensional Drawings
Figure 10: HTT70A-TPN Dimensional Drawing

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Figure 11: HTT70A-TPC Dimensional Drawing

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Figure 12: HTT70A-TPR Dimensional Drawing

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Figure 13: HTT70G-TPC Dimensional Drawing

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Characteristics
Optical
Table 10: HTT70 Optical Characteristics
Module Size
A:
TPN
164.90 x 115.88 x 17.79
mm
TPC
164.90 x 115.88 x 19.69
TPR
164.90 x 115.88 x 18.99
G:
TPC
179.96 x 119.00 x 20.17
Viewing Area
A:
TPN
157.00 x 89.10
mm
TPC
155.08 x 86.92
TPR
155.08 x 86.92
G:
TPC
154.84 x 86.63
Active Area
153.84 x 85.63
mm
Pixel Pattern
800 x 480 x 24bit RGB
Pixel Pitch
0.1923 x 0.1784
mm
Luminance
420
cd/m2
Viewing Angle
70° Left, Right, Up
60° Down
Contrast Ratio
500:1
Backlight Half-Life
20,000 hours
Touch Panel
Table 11: Touch Panel Characteristics
Parameter
A Series
G Series
-TPR
-TPC
IC
NA
GT9xx
GT9xx
Touch Points
1
5
5
Hardness
3H
6H
6H
Power
Table 12: HTT70 Current Characteristics(5V)
Parameter
Min
Typ
Max
Unit
Remarks
Logic
-
375
-
mA
Backlight
Off
Backlight
0
-
465
mA
Off, Mid,
Max
Table 13: HTT70 Supply Voltage Characteristics
Parameter
Min
Typ
Max
Unit
Remarks
Supply
Voltage
4.75
5.0
5.25
V
Standard
Voltage (V5)
5.0
12.0
35.0
V
Wide Voltage
(VPT)
Environmental
Table 14: HTT70 Environmental Characteristics
Operating Temperature
-20°C to +70°C
Storage Temperature
-30°C to +80°C
Operating Relative Humidity*
90% (T < 60°C)
*Note: No condensation at any temperature