VIA Technologies ALTA DS 4K User manual

USER MANUAL
ALTA DS 4K
Fanless ultra-compact
Andriod digital signage system
1.02-03152018-145600

Copyright
Copyright ©2017-2018 VIA Technologies Incorporated. All rights reserved.
No part of this document may be reproduced, transmied, transcribed, stored in a retrieval system, or translated into any language, in any
form or by any means, electronic, mechanical, magnec, opcal, chemical, manual or otherwise without the prior wrien permission of
VIA Technologies, Incorporated.
Trademarks
All trademarks are the property of their respecve holders.
Disclaimer
No license is granted, implied or otherwise, under any patent or patent rights of VIA Technologies. VIA Technologies makes no warranes,
implied or otherwise, in regard to this document and to the products described in this document. The informaon provided in this
document is believed to be accurate and reliable as of the publicaon date of this document. However, VIA Technologies assumes no
responsibility for the use or misuse of the informaon (including use or connecon of extra device/equipment/add-on card) in this
document and for any patent infringements that may arise from the use of this document. The informaon and product specicaons
within this document are subject to change at any me, without noce and without obligaon to nofy any person of such change.
VIA Technologies, Inc. reserves the right the make changes to the products described in this manual at any me without prior noce.
Regulatory Compliance
FCC-A Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits for a class A digital device, pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protecon against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instrucon manual, may cause harmful interference to radio communicaons. Operaon of this equipment in a residenal area is likely to
cause harmful interference, in which case the user will be required to correct the interference at his personal expense.
Noce 1
The changes or modicaons not expressly approved by the party responsible for compliance could void the user's authority to operate
the equipment.
Noce 2
Shielded interface cables and A.C. power cord, if any, must be used in order to comply with the emission limits.
Noce 3
The product described in this document is designed for general use, VIA Technologies assumes no responsibility for the conicts or
damages arising from incompability of the product. Check compability issue with your local sales representaves before placing an
order.

Baery Recycling and Disposal
• Only use the appropriate baery specied for this product.
• Do not re-use, recharge, or reheat an old baery.
• Do not aempt to force open the baery.
• Do not discard used baeries with regular trash.
• Discard used baeries according to local regulaons.
Safety Precauons
• Always read the safety instrucons carefully.
• Keep this User’s Manual for future reference.
• All cauons and warnings on the equipment should be noted.
• Keep this equipment away from humidity.
• Lay this equipment on a reliable at surface before seng it up.
• Make sure the voltage of the power source and adjust properly 110/220V before connecng the
equipment to the power inlet.
• Place the power cord in such a way that people cannot step on it.
• Always unplug the power cord before inserng any add-on card or module.
• If any of the following situaons arises, get the equipment checked by authorized service
personnel:
• The power cord or plug is damaged.
• Liquid has penetrated into the equipment.
• The equipment has been exposed to moisture.
• The equipment has not worked well or you cannot get it work according to User’s Manual.
• The equipment has dropped and damaged.
• The equipment has obvious sign of breakage.
• Do not leave this equipment in an environment uncondioned or in a storage temperature above 70°C
(158°F). The equipment may be damaged.
• Do not leave this equipment in direct sunlight.
• Never pour any liquid into the opening. Liquid can cause damage or electrical shock.
• Do not place anything over the power cord.
•Do not cover the venlaon holes. The openings on the enclosure protect the equipment from
overheang

ALTA DS 4K User Manual
Box Content
•1 x ALTA DS 4K system
•1 x Stand holder
•1 x AC-to-DC adapter
•1 x Power cord (USA type)
•1 x Wi-Fi antenna (VT60910017002-T sku only)
Ordering Informaon
Part Number Descripon
VT60910016001-T 1.4GHz ZX-2000M Cortex-A17 quad-core SoC, 2GB DDR3 SDRAM,
8GB eMMC, HDMI, USB 3.0, 2 USB 2.0, Mini USB 2.0 for COM (TX/
RX), CIR, Gigabit Ethernet, 10/100Mbps Ethernet, SD card slot,
Stand holder, US power cord, 12V DC-in
VT60910017002-T Android system with 1.4GHz ZX-2000M Cortex-A17 quad-core SoC,
(US Only) 2GB DDR3 SDRAM, 8GB eMMC, HDMI, USB 3.0, 2 USB 2.0,
Mini USB 2.0 for COM (TX/RX), CIR, Gigabit Ethernet,
10/100Mbps Ethernet, Wi-Fi, Bluetooth 4.0, SD card slot,
Stand holder, US power cord, 12V DC-in
Oponal Accessories
Wireless Accessories
Part Number Descripon
EMIO-5531-00A1 VAB-820-W IEEE 802.11b/g/n USB Wi-Fi & Bluetooth module with assembly kit
and antenna
Mounng Opons
Part Number Descripon
VT6076-C0000A1 VESA mount cradle
Cable Accessories
Part Number Descripon
99G33-192458 COM (TX/RX) Cable (Mini USB 2.0 male to 9-pin D-SUB male)
99G33-080297 Debug cable (TX/RX)
iv

ALTA DS 4K User Manual
Table of Content
1. Product Overview .............................................................................................................. 1
1.1 Key Features ......................................................................................................................................... 1
1.1.1 ARM Based System ........................................................................................................................ 1
1.1.2 Fanless and Space Saving............................................................................................................... 1
1.1.3 OpmizedIntegraonwithMulpleI/OAccess........................................................................... 1
1.1.4 4K Display Support......................................................................................................................... 1
1.1.5 Storage Expansion.......................................................................................................................... 1
1.1.6 Networking Support ...................................................................................................................... 1
1.1.7 MounngSoluon ........................................................................................................................ 1
1.1.8 EmbeddedOperangSystemReady.............................................................................................. 1
1.2 ProductSpecicaon........................................................................................................................... 2
1.3 Layout Diagram .................................................................................................................................... 5
1.4 Dimensions .......................................................................................................................................... 6
2. ExternalI/OPinDescriponsandFunconality ................................................................ 8
2.1 HDMI®Port ........................................................................................................................................... 8
2.2 USB 3.0 Port ......................................................................................................................................... 8
2.3 USB 2.0 Port ......................................................................................................................................... 9
2.4 MiniUSB2.0PortforCOM(TX/RX) .................................................................................................... 9
2.4.1 COM(TX/RX)Cable ...................................................................................................................... 10
2.5 GigabitEthernetPort.......................................................................................................................... 11
2.6 10/100MbpsEthernetPort............................................................................................................... 12
2.7 CIRReceiver....................................................................................................................................... 13
2.8 Audio Jacks ......................................................................................................................................... 13
2.9 SD Card Slot........................................................................................................................................ 14
2.10 PowerOn/OBuon.......................................................................................................................... 14
2.11 DC-InJack ........................................................................................................................................... 15
3. Onboard Connector ......................................................................................................... 16
3.1 USB 2.0 Connector ............................................................................................................................. 16
3.2 COM Debug Connector ...................................................................................................................... 17
4. HardwareInstallaon ...................................................................................................... 18
4.1 OpeningtheChassis ........................................................................................................................... 18
4.2 InstallingtheStandHolder ................................................................................................................. 20
5. SowareandTechnicalSupport ...................................................................................... 22
5.1 Android Support................................................................................................................................. 22
5.2 TechnicalSupportsandAssistance ..................................................................................................... 22
Appendix A.InstallingWirelessAccessories............................................................................ 23
A.1. InstallingtheEMIO-5531USBWi-Fi&Bluetoothmodule................................................................. 23
Appendix B.ConnecngtheDebugCable............................................................................... 27
Appendix C.InstallingVESAMountCradle.............................................................................. 28
v

ALTA DS 4K User Manual
List of Figures
Figure1: FrontpanelI/Olayout ......................................................................................................................... 5
Figure2: BackpanelI/Olayout .......................................................................................................................... 5
Figure3: DimensionsofALTADS4K(Frontview)................................................................................................ 6
Figure4: DimensionsofALTADS4K(Topview) .................................................................................................. 6
Figure5: DimensionsofALTADS4Kwithstandholderinstalled(Frontview).................................................... 7
Figure6: DimensionsofALTADS4Kwithstandholderinstalled(Topview)...................................................... 7
Figure7: HDMIportdiagram ............................................................................................................................. 8
Figure 8: USB 3.0 port diagram .......................................................................................................................... 8
Figure 9: USB 2.0 port diagram .......................................................................................................................... 9
Figure10: MiniUSB2.0portforCOM(TX/RX)diagram....................................................................................... 9
Figure11: COM(TX/RX)cablediagram............................................................................................................... 10
Figure12: GigabitEthernetportdiagram .......................................................................................................... 11
Figure13: 10/100MbpsEthernetportdiagram.................................................................................................. 12
Figure14: CIRreceiverdiagram ......................................................................................................................... 13
Figure 15: Audio jacks diagram .......................................................................................................................... 13
Figure 16: SD card slot diagram ......................................................................................................................... 14
Figure17: Poweron/obuondiagram ............................................................................................................ 14
Figure 18: DC-in jack diagram ............................................................................................................................. 15
Figure19: DC-injackspecicaondiagram ....................................................................................................... 15
Figure 20: USB 2.0 connector diagram ............................................................................................................... 16
Figure 21: COM debug connector diagram ........................................................................................................ 17
Figure22: UnscrewingthebackpanelI/Oplate ................................................................................................. 18
Figure23: RemovingthebackpanelI/Oplate.................................................................................................... 18
Figure 24: Removing top cover .......................................................................................................................... 19
Figure25: Installingthestandholder................................................................................................................. 20
Figure26: Securingthestandholder .................................................................................................................. 21
Figure27: InstallingtheEMIO-5531USBWi-Fi&Bluetoothmodule ................................................................ 23
Figure28: ConnecngtheUSBWi-Ficable........................................................................................................ 24
Figure29: Removingtheantennaholecover ..................................................................................................... 24
Figure30: InstallingtheWi-Fiantennacable...................................................................................................... 25
Figure31: ConnecngtheWi-FiantennacabletotheEMIO-5531module ....................................................... 25
Figure32: ReinstallingthetopcoverandbackpanelI/Oplate .......................................................................... 26
Figure33: Connecngthedebugcable............................................................................................................... 27
Figure34: InstallingVESAmountcradlediagram............................................................................................... 28
Figure35: InserngALTADS4KtotheVESAmountcradle................................................................................. 29
Figure36: ConnecngnecessarycablestoALTADS4Kdiagram........................................................................ 29
vi

ALTA DS 4K User Manual
List of Tables
Table1: HDMIportpinouts ............................................................................................................................... 8
Table 2: USB 3.0 port pinouts ............................................................................................................................ 8
Table 3: USB 2.0 ports pinouts........................................................................................................................... 9
Table4: MiniUSB2.0portforCOM(TX/RX)pinouts ........................................................................................ 9
Table5: GigabitEthernetportpinouts ............................................................................................................ 11
Table6: GigabitEthernetportLEDcolordenions ...................................................................................... 11
Table7: 10/100MbpsEthernetportpinouts .................................................................................................. 12
Table8: 10/100MbpsEthernetportLEDcolordenions ............................................................................. 12
Table9: CIRreceiverpinouts ........................................................................................................................... 13
Table 10: SD card slot pinouts ........................................................................................................................... 14
Table 11: DC-in jack pinouts ............................................................................................................................. 15
Table12: DC-injackspecicaon ...................................................................................................................... 15
Table 13: USB 2.0 connector pinouts................................................................................................................. 16
Table 14: COM debug connector pinouts.......................................................................................................... 17
vii

ALTA DS 4K User Manual
1
1. Product Overview
TheVIAALTADS4Kisanultra-compactandcompletelyfanlessAndroiddigitalsystemmeasuring175mm(H)
x25mm(H)x118mm(D).ItoersdualindependentFullUHDscreensupportforahostofdigitalsignage
applicaonsrangingfromkiosks,POSsystems,andmenuboardstoTVOIP,cloudstreaming,andOutof
HomeAdversingacrossabroadspectrumofretail,hospitality,educaon,corporate,andentertainment
environments.
TheVIAALTADS4Kispoweredbya1.4GHzZX-2000MCortex-A17quadcoreSoCwithahigh-performance
3D/2DgraphicsandvideoenginethatsupportsOpenGL®ES3.0andOpenVG™1.1hardwareacceleraonforone
UHD and one Full HD video playback simultaneously.
TheVIAALTADS4KsystemfeaturesdualcoastlineI/OincludingoneUSB3.0port,twoUSB2.0ports,one
MiniUSB2.0portforCOM(TX/RX),one1.4HDMIportwithCECsupport,oneGigabitEthernetport,one
10/100MbpsEthernetport,oneSDcardslot,oneCIRreceiver,audiojacksforLine-inandMic-in,and12VDC-
in.Onboardfeaturesinclude8GBeMMCFlashmemory,2GBDDR3SDRAMandaUSB2.0connectorforadding
theoponalVIAEMIO-5531USBWi-Fi&Bluetoothmodule.
1.1 Key Features
1.1.1 ARM Based System
TheARMbasedALTADS4Ksystemispoweredbyapower-ecient1.4GHzZX-2000MCortex-A17quadcore
SoCthatprovidesafullrangeofrichfeaturesincludingsuperbmul-taskingperformance.
1.1.2 Fanless and Space Saving
TheALTADS4Kfeaturesfanlessoperaoninaslimchassisdesignedtosavespace,makingitidealfor
installaoninawiderangeofenvironments.
1.1.3 OpmizedIntegraonwithMulpleI/OAccess
WithfrontandbackpanelI/Oaccess,theVIAALTADS4Kcanbeeasilybeconguredtosupportawidevariety
ofapplicaonswitheasyintegraonandquicksetup.
1.1.4 4K Display Support
TheALTADS4KsupportsthreeindependentintegratedGPUsfor3D/2Dgraphicacceleraonthatprovides
supportfor4KUHDscreenresoluonwithamaximumdisplayof3840x2160.
1.1.5 Storage Expansion
TheALTADS4Khasanonboard8GBeMMCashstorageandaSDcardslotforamaximumexpandablestorage
of up to 32GB.
1.1.6 Networking Support
TheALTADS4KisequippedwithtwoRJ-45portsthatsupporthighspeedGigabitEthernetand10/100Mbps
Ethernet.WirelessconnecvitycanbeaddedthroughtheoponalVIAEMIO-5531USBWi-Fi&Bluetooth
module.
1.1.7 MounngSoluon
TheALTADS4Ksupportsmulplemethodsformounngthechassissecurely.Itcanbemountedtoanyat
surfaceusingthestandholderoreventoVESAmountablesurfaceswithaVESAmounngkit.
1.1.8 EmbeddedOperangSystemReady
TheALTADS4KfeaturesacompletesignagesowareevaluaonimagefeaturingAndroid5.1aswellastheVIA
SmartETKincludingWake-On-LAN,WatchdogmerandUARTaccess.

ALTA DS 4K User Manual
2
1.2 ProductSpecicaon
Processor
• 1.4GHzZX-2000MCortex-A17quad-coreSoC
System Memory
• 2GBDDR31600MHzSDRAMonboard
Storage
• 8GBeMMCFlashmemory
• Upto16GBeMMC(oponal)
Boot Loader
• 4MBSPIFlashROM
Graphic
• Threeindependent,integrated3D/2Dandvideographicprocessingunits.
• GraphicsenginesupporngOpenGL®ES3.0andOpenVG™ 1.1hardwareacceleraon
• SupportsH.264,andH.265(HEVC)videodecodingupto3840x2160p30
• SupportsVP8andMJPEGvideodecodingupto1080p
• SupportsVC-1andMPEG-2videodecodingupto1080p(byrequestonly)
• Supports H.264 encoding
LAN
• Realtek RTL8211FS-CG
Wi-Fi & Bluetooth
• IEEE802.11b/g/nWi-Fi(oponal)
• Bluetooth4.0(oponal)
Audio
• WolfsonWM8960AudioCodec
HDMI
• IntegratedHDMI1.4withCECsupport
Front Panel I/O
• 1xPoweron/obuonwithpowerindicatorLED
• 1 x SD card slot
• 2 x USB 2.0 ports
• 2 x Audio jacks: Line-out and Mic-in

ALTA DS 4K User Manual
3
Back Panel I/O
• 1 x DC-in jack
• 1xGigabitEthernetport
• 1x10/100MbpsEthernetport
• 1 x USB 3.0 port
• 1xCIRreceiver
• 1xHDMI(HDMI1.44Kx2K@30Hz,withCECsupport)
• 1xMiniUSB2.0portforCOM(TX/RX)
• 1xAntennaholeforWi-Fi
• 1 x Kensington Lock
Onboard Connector
• 1xUSB2.0connector(foroponalEMIO-5531USBWi-Fi&Bluetoothmodule)
• 1xCOMdebugconnector(fordebuggingonly)
Power Supply
• 12VDC-in
Operang System
• Android 5.1
VIA Smart ETK
• Restart,RTC-Wake-up,Suspend,Wake-On-LAN,Watchdogmer,UART
Operang Temperature
• 0°C ~ 40°C
Operang Humidity
• 0%~90%@40°C(non-condensing)
Storage Temperature
• - 20C ~ 70°C
Mechanical Construcon
• Plascframe
• Metal bracket
• Metalmeshcoverontopandboom
Mounng
• Standholder,VESAmount(oponal)
Dimension
• 175mm(H)x25mm(H)x118mm(D)(6.88”x0.98”x4.64”)

ALTA DS 4K User Manual
4
Weight
• 0.5kg(1.10lbs)
Compliance
• BSMI
• CE
• FCC
• NCC
Notes:
1.AstheoperangtemperatureprovidedinthespecicaonsisaresultofthetestperformedinVIA’schamber,
anumberofvariablescaninuencethisresult.Pleasenotethattheworkingtemperaturemayvarydependingon
theactualsituaonandenvironment.Itishighlyrecommendedtoexecuteasolidtesngprogramandtakeallthe
variablesintoconsideraonwhenbuildingthesystem.Pleaseensurethatthesystemrunswellundertheoperang
temperatureintermsofapplicaon.
2.PleasenotethatthelifespanoftheonboardeMMCmemorychipmayvarydependingontheamountofaccess.
MorefrequentandlargerdataaccessontheeMMCmemorymakesitslifespanshorter.Therefore,itishighly
recommendedtouseareplaceableexternalstorage(e.g.,MicroSDcard)forlargedataaccess.

ALTA DS 4K User Manual
5
1.3 Layout Diagram
Figure 1:FrontpanelI/Olayout
Figure 2:BackpanelI/Olayout

ALTA DS 4K User Manual
6
1.4 Dimensions
Figure 3:DimensionsofALTADS4K(Frontview)
Figure 4:DimensionsofALTADS4K(Topview)

ALTA DS 4K User Manual
7
Figure 5:DimensionsofALTADS4Kwithstandholderinstalled(Frontview)
Figure 6:DimensionsofALTADS4Kwithstandholderinstalled(Topview)

ALTA DS 4K User Manual
8
2. ExternalI/OPinDescriponsandFunconality
ThischapterprovidesinformaonabouttheALTADS4K’sexternalI/Oportsandtheirfunconality.
2.1 HDMI®Port
TheALTADS4KhasanHDMIportonthebackpanel.TheHDMIportusesaTypeAreceptacleconnectorto
connecthighdenionvideoanddigitalaudiousingasinglecable.ThepinoutsoftheHDMIportareshown
below.
Table 1: HDMIportpinouts
2.2 USB 3.0 Port
TheALTADS4KisequippedwithoneUSB3.0portonthebackpanel.TheUSB3.0porthasamaximumdata
transferrateofupto5GbpsandiscompablewithUSB2.0specicaons.ThisUSBportgivescompletePlug
andPlayandhotswapcapabilityforexternaldevices.ThepinoutsoftheUSB3.0portareshownbelow.
Table 2: USB 3.0 port pinouts
Pin Signal Pin Signal
1 TX2+ 11 GND
2 GND 12 CLK-
3 TX2- 13 CEC
4 TX1+ 14 NA
5 GND 15 SCL
6 TX1- 16 SDA
7 TX0+ 17 GND
8 GND 18 VDD50
9 TX0- 19 HDP
10 CLK+
Pin Signal
1VCC_USB2
2USB2_D-
3USB2_D+
4 GND
5USB2_SSRX-
6USB2_SSRX+
7 GND
8USB2_SSTX-
9USB2_SSTX+
Figure 7:HDMIportdiagram
Figure 8:USB 3.0 port diagram

ALTA DS 4K User Manual
9
2.3 USB 2.0 Port
TheALTADS4KhastwoexternalUSB2.0portsonthebackpanel.EachUSB2.0portsgivescompletePlugand
Playandhotswapcapabilityforexternaldevices.TheUSBinterfacecomplieswithUSBUHCI,Rev.2.0.The
pinoutsoftheUSB2.0portsareshownbelow.
Table 3: USB 2.0 ports pinouts
2.4 MiniUSB2.0PortforCOM(TX/RX)
TheALTADS4KisequippedwithaMiniUSB2.0portforCOMthatsupportsTX/RX.TheMiniUSB2.0portuses
aUSBtypeABreceptacleconnectorwhichislocatedonthebackpanel.ThepinoutsoftheMiniUSB2.0port
areshownbelow.
Table 4: MiniUSB2.0portforCOM(TX/RX)pinouts
Port 1 Port 2
Pin Signal Pin Signal
1VCC 1VCC
2USB_D- 2USB1_1-
3USB0_D+ 3USB1_1-
4 GND 4 GND
Pin Signal
1VCC
2 RXD1
3 TXD1
4 GND
5 GND
Figure 9:USB 2.0 port diagram
Figure 10: MiniUSB2.0portforCOM(TX/RX)diagram

ALTA DS 4K User Manual
10
2.4.1 COM(TX/RX)Cable
TheCOM(TX/RX)cableisaMiniUSB2.0toCOMconversioncablewhichisusedtoplug-intotheMiniUSB2.0
port.TheCOM(TX/RX)cablesupportsTX/RX.ThediagramoftheCOM(TX/RX)cableisshownbelow.
Figure 11: COM(TX/RX)cablediagram

ALTA DS 4K User Manual
11
2.5 GigabitEthernetPort
TheALTADS4KcomeswithoneGigabitEthernetport.TheGigabitEthernetportcomeswithan8posion
and8contact(8P8C)receptacleconnectorcommonlyknownasRJ-45.ItisfullycompliantwithIEEE802.3
(10BASE-T),802.3u(100BASE-TX),and802.3ab(1000BASE-T)standards.ThepinoutsoftheGigabitEthernet
portareshownbelow.
Table 5: GigabitEthernetportpinouts
TheGigabitEthernetporthastwoindividualLEDindicatorslocatedonthefrontsidetoshowitsAcve/Link
status and Speed status
Table 6: GigabitEthernetportLEDcolordenions
AcveLED
(LeLEDonRJ-45port)
Link LED
(RightLEDonRJ-45port)
Linko LEDiso LEDiso
Speed_10Mbit OrangeFlash LEDiso
Speed_100Mbit OrangeFlash TheRedLEDison
Speed_1000Mbit OrangeFlash TheGreenLEDison
Pin Signal
1 GND
2 MX0+
3 MX0-
4 MX1+
5 MX1-
6 GND
7 MX2+
8 MX2-
Figure 12: GigabitEthernetportdiagram

ALTA DS 4K User Manual
12
2.6 10/100MbpsEthernetPort
TheALTADS4Kcomeswitha10/100MbpsEthernetport.Theintegrated10/100MbpsEthernetportusesan8
Posion8Contact(8P8C)receptacleconnectorcommonlyreferredtoasRJ-45.Thepinoutsofthe10/100Mbps
Ethernetportareshownbelow.
Table 7: 10/100MbpsEthernetportpinouts
The10/100MbpsEthernetporthastwoLEDindicatorslocatedonthefrontsidetoshowitsAcve/Linkstatus
and speed status.
Table 8: 10/100MbpsEthernetportLEDcolordenions
AcveLED
(LeLEDonRJ-45port)
Link LED
(RightLEDonRJ-45port)
Linko LEDiso LEDiso
Speed_10Mbit TheGreenLEDiso YellowFlash
Speed_100Mbit TheGreenLEDison YellowFlash
Pin Signal
1VDD18
2MDI_0P
3MDI_0N
4MDI_1P
5MDI_1N
6 GND
7 NA
8 NA
Figure 13: 10/100MbpsEthernetportdiagram

ALTA DS 4K User Manual
13
2.7 CIRReceiver
TheALTADS4KprovidesaConsumerInfrared(CIR)receiverwhichiscompablewithinfraredcontrollers
thatcanbeusedtocontrolthemulmediaplayer,connecttotheInternetaswellaswirelessitemssuchas
keyboardsandmice.ThepinoutsoftheCIRreceiverareshownbelow.
Table 9: CIRreceiverpinouts
2.8 Audio Jacks
TheALTADS4KoersHighDenionAudiothrough3.5mmTRSjacksonthefrontpanel:Line-outandMic-in.
TheLine-outjackisforconnecngtoexternalspeakersorheadphones.TheMic-injackisforconnecngtoa
microphone.ThediagramoftheAudiojacksareshownbelow.
Pin Signal
1VDD33
2 GND
3CIRIN
Figure 14: CIRreceiverdiagram
Figure 15: Audio jacks diagram