CDK-8 Platform Board
Contents
1. GND Digital Ground BRIDGE UART TXD CobraNet Serial Bridge Asynchronous Transmit Data BRIDGE UART TX OE CobraNet Serial Bridge Transmit Drive Enable BRIDGE UART RXD CobraNet Serial Bridge Asynchronous Receive Data 3 3 V 3 3 V for CDK 8 Module MUTE Interface Ready RESET_OUT Reset Out RESET_IN External Reset In WATCHDOG Watchdog EXT_PWR External Power EXT_PWR External Power Attero Tech LLC 2009 Page 2 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH DAI1_DATA1 Digital Audio Input Data 1 DAO1_DATA1 Digital Audio Output Data 1 DAI1_DATA2 Digital Audio Input Data 2 DAO1_DATA2 Digital Audio Output Data 2 DAI1_DATA3 Digital Audio Input Data 3 DAO1_DATA3 Digital Output Data 3 Table 1 CDK 8 Module Digital 1 0 Header Pin Out O Attero Tech LLC 2009 Page 3 614 00003 03 CDK 8 Platform Board ATTEROTECH User Manual J2 CDK 8 Module HMI amp UART Header This header is not used with a CDK 8D module installed Pins 1 26 are utilized for a CDK 8DHMI module whereas pins 1 4 and 27 30 are utilized for the CDK 8DUART module Signal Name Direction Function MCLK IN In Master Audio Clock Input GND Digital Ground GND Digital Ground GND Digital Ground HDATAO In Out Host Port Data bit O HADDRO In Host Port Address bit O HDATAI In Out Host Port2. CDK 8 Platform Board User Manual ATTEROTECH 3 4 3 Serial Bridge This page is used to demonstrate the serial bridging capability of the CobraNet technology Users must connect the DB9 serial cable to the serial port of their computer and to the DB9 connector on one CDK 8 Platform Board or CO2 On the opposite CobraNet device place an appropriate shunt to enable loopback C02 Demonstration xl Audio Signal Routing Bundle Routing iscovery Options Serial Port Serial 34 enable Device 1 C COM2 C COM3 Transmit Serial Data Received Serial Data E Refresh Serial State Show System Diagram Figure 5 Serial Bridge page of the CO2 Demonstration utility A Serial Port Selection Users select the serial COM port for their machine by clicking the appropriate selection B Serial Bridge By checking the Enable checkboxes in this section the user is enabling the serial bridge capabilities of each CobraNet device Both enable checkboxes must be checked for the demonstration to function properly The loopback checkbox is useful for testing the serial transmission between the computer and the CobraNet device directly connected to the computer Transmit Serial Data When the user types characters into this box the data is transmitted from the computer s serial port through the connected device and to the network The serial information
3. ac S ess ress MAC Addn MAC rSelectMode FSelect Mode G AKA 6 Fx Audio TA Audio Tx Audio Swap L and R Left Channel MUTE Right Channel MUTE Right Channel 7 Both Channels Both Channels G Defaults Defaults H View Device Errors evice Errors I Show System Diagram Figure 2 Audio Signal Routing of the 2 Demonstration Utility IP Address Drop Down Box amp Find Button CobraNet devices are automatically discovered and assigned IP addresses by the application Once a device has been discovered it is added to the list for each drop down box By selecting a device from the list and pressing the corresponding Find button the device information is gathered and populates the controls It is important to note that most of the controls in the application are disabled until a valid CobraNet device is loaded B Description Box This is a read only field that displays the device name MAC Address Box This displays the MAC address for the currently selected device D Select Mode This section allows the user to specify how the device is currently connected in the system When in RX mode the device is receiving audio from the network and connected to an audio output source In TX mode the device is transmitting audio to the CobraNet network and an audio source is connected to the device The System Diagram is helpful in determining how your system should be set up E Swa
4. 05 IC DIG DUAL 5232 3 3 V WSOIC1 6 SP3232ECT L 014 ST MICRO IC DIG MPU SUPERVISR 2 930 SOT23 5 STM6822SWY6F KOBICONN SHORTING JUMPER BLACK 151 8000 E ATTERO TECH PCB CDK 8 Platform Board 240 00050 01 C Attero Tech LLC 2009 ATTERO TECH SCHEMATIC CDK 8 Platform Board Page A 5 600 00050 01 C 614 00003 03 Cla w ise E Q 215 gt ab c en nn EE M x a E is Sp 5 e w 200 I i INHO8 302 LB 1uvnd9 X05 1006 soe ee s puoog 03 D C D0L00 024 war 2 A34 10 06000 092 C run The following PCB drawings are subject to change Contact Attero Tech for latest revision ATTEROT A3 1 Top Silkscreen A3 PCB 614 00003 03 Page A 6 O Attero Tech LLC 2009 CDK 8 Platform Board User Manual A3 2 Top Copper Top Copper CDK 8 Platform Board User Manual TECH A3 3 Bottom Copper 2 2 9 2 O O O 9 to A 0220000000 O 000 oo n Bottom Copper O Attero Tech LLC 2009 Page A 8 614 00003 03 614 00003 03
5. 991 oiov qe 204042429 pasay 3 BopuoioM Yn won javon penoso JoyoinBay umog dajs 2 006 Yt 614 00003 03 Page A 3 O Attero Tech LLC 2009 AN ATTEROTECH A2 Bill of Materials e CDK 8 Platform Board The following Bill of Materials is subject to change Contact Attero Tech for latest revision Reference Manufacturer Description User Manual Part Number C3 C7 C21 C22 C23 C24 C25 C35 C5 PANASONIC PANASONIC CAP 1000PF 50V 0603 10 25V 1206 20 102 ECJ 3YB1E106M C11 C12 PANASONIC CAP 180PF 50V 5 0603 ECJ 1VC1H181J C10 C13 C14 C28 C29 C33 C34 PANASONIC CAP 1UF 16V 10 0603 ECJ 1VB1C105K C100 PANASONIC CAP 22UF 35V 2096 SMT C EEE 1VA220WR C102 PANASONIC CAP 33UF 6 3V ELECT SMD C EEE 0JA330WR C6 PANASONIC CAP 3 3UF 10V 10 1206 ECJ 3YB1A335K 2 15 PANASONIC CAP 3 3UF 35V 20 SMT A EEE 1VS3R3SR C4 PANASONIC CAP 3300PF 50V 10 0603 ECJ 1VB1H332K C101 PANASONIC CAP 4 7UF 25V 20 0805 ECJ 2FB1E475M 8 C16 C17 C18 C19 PANASONIC CAP 1UF 25V 10 0603 ECJ 1VB1E104K C9 C20 C26 C27 C30 C31 C68 PANASONIC CAP 1UF 25V 80 20 0603 ECJ
6. 1VF1E104Z C103 PANASONIC CAP 22UF 25V 10 0805 ECJ 2YB1E224K C32 CAP NOT INSTALLED D102 DIODES INC DIODE SWT 100V 300MA SOD123 1N4148W 7 F D101 ON SEMI DIODE SCHOTTKY 40V 1A POWERMITE MBRM140T1G D104 ON SEMI DIODE SCHOTTKY 40V 1A SMB MBRS140T3G DI PANASONIC LED SMT 3216 GREEN LN1351CTR D2 D3 D4 PANASONIC LED SMT 3216 RED 2 8V LN1251CTR AGND1 GND1 GND2 PGND1 SAMTEC HEADER 1X1 1 GROUND POINT TSW 101 07 G S Ji CUI INC CON AUDIO JACK 3 5MM PCBMT DUAL VERT SJD 3510 33 1516 089 FEMALE W BD LOCK S LOCK 5747844 6 J13 CUI STACK CON PWR JACK 2 1MM PCB 202 J10J12 KOBICONN CON RCA 1X2 VERT RED WHITE 161 4219 E 14 15 SAMTEC HEADER 1X2 1 TSW 102 07 G S 19 20 SAMTEC HEADER 1X3 0 1 THRU TSW 103 07 G S J3 J4 SAMTEC HEADER 2X13 1 THRU TSW 113 07 G D Jl SAMTEC HEADER 2X13 1 THRU LOW PROFILE MTLW 113 07 G D 230 J2 SAMTEC HEADER 2X15 0 1 THRU LOW PROFILE MTLW 115 07 G D 230 O Attero Tech LLC 2009 SAMTEC HEADER 2 2 0 1 THRU MALE Page A 4 TSW 102 07 G D 614 00003 03 ATTEROTECH 6 7 8 SAMTEC CDK 8 Platform Board HEADER 2X3 1 THRU MALE User Manual TSW 103 07 G D J
7. Serial Bridge Network Adapter Settings Select Network Adapter Select Adapter B Enable Discovery Assignment c Device 1 0000 Assign IP Device 2 0 0 0 0 Show System Diagram Figure 6 Discovery Options page of the CO2 Demonstration Utility A Network Adapter Settings Select the appropriate Ethernet adapter from this list Selection is not active until the Select Adapter button is pressed If the wrong adapter is selected CobraNet devices cannot be discovered B Enable Discovery Checkbox This checkbox allows the user to stop the discovery of devices in the software This is only for troubleshooting and should remain enabled By disabling this feature devices are not added or removed from the drop down lists C Static IP Address Assignment If there is an instance where a unique IP address needs to be assigned to a device the user can do this here This is useful if there are other devices on your network using static IP addresses within the range of addresses allowed by auto assignment Enter the desired IP address within the subnet of your network adapter and other CobraNet devices and click Assign IP O Attero Tech LLC 2009 Page 17 614 00003 03 A ATTEROTECH APPENDIX A Reference Design Al Schematic CDK 8 Platform Board User Manual The following schematic drawings are subject to change Contact Attero Tech for latest revision Stotus LEDs 1900
8. assign IP addresses for each CobraNet device Select a unique CobraNet device for Device 1 and Device 2 through the IP Address drop down box and press the corresponding Find button The device names and attributes will appear and the software utility can now be used to control each device 3 4 Software Interface The CO2 Demonstration Utility is divided into four pages selected by the tabs on top Audio Signal Routing Bundle Routing Serial Bridge Discovery Options At time of writing the software does not work without modification under Windows Vista Running the application in XP compatible mode and with administrative privileges can in some cases get the application to operate However no guarantees to its operation can be given if used in this manner O Attero Tech LLC 2009 Page 11 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH 3 4 1 Audio Signal Routing This page handles the majority of the CobraNet device monitoring and control This page is divided vertically into two sections of identical controls for each device This allows the user to monitor and control each CobraNet device simultaneously Figure 2 labels each control and control section with a letter and each one is described in this section ABl x Bundle Routing Serial Bridge Discovery Options Device 1 Device 2 Al zj Fes a
9. bundle assignment box by copying the bundle assignments of one device into the assignment boxes for the other device D Set Button Changing a bundle assignment does not take effect until the Set button is pressed When pressed it assigns the value of each box to the corresponding device E Advanced Checkbox As discussed earlier the CO2 only contains an audio signal in the first transmitter However other devices can have up to four transmitters and receivers By clicking on the advanced checkbox the other bundle assignment edit boxes are enabled in the event that the software is controlling a device other than a CO2 F Refresh Button This is used to read the current status of each bundle for both devices Use this button if the bundles assignment boxes were edited but not assigned by pressing the Set button O Attero Tech LLC 2009 Page 14 614 00003 03 CDK 8 Platform Board User Manual Bundles can be assigned numbers from O through 65535 However there are designations for certain ranges shown in Table 8 below ATTEROTECH Bundle Type Usage 0 Null Disables transmission 119255 Multicast pd 0 not recommended for most applications as it 256 to 65279 Unicast Typical mode for transmission 1 receiver for each transmitter 65280 to 65535 Private Unique to a transmitter s MAC address Table 8 CobraNet Bundle Types O Attero Tech LLC 2009 Page 15 614 00003 03
10. bundle to a receiver any future requests for that bundle from other potential receivers will fail o Multicast Used for one to many connections This mode broadcasts its contents over the entire network There is no restriction on the number of receivers However the downside is that CobraNet packets are distributed to all nodes on the network whether they need them or not thus creating possible network bandwidth issues Multi unicasts Another one to many mode Whilst this is the most efficient method for getting a bundle to multiple receivers in terms of network bandwidth it requires more processing power on the CobraNet device so in this mode there is a maximum limit of four receiver connections this can be reduced if required If more connections are required than the limit the node can be configured to automatically switches to multicast Note When a bundle must be transmitted to multiple receivers multi unicast transmissions should be used where possible Once the mode is selected to enable a device to transmit the bundle simply allocate the particular transmitter bundle a non zero number Since this number identifies all the network packets sent out by that transmitter each transmit bundle number must be unique on a network CobraNet Device A CobraNet Device B Bundled Audio Data Ethernet Network Bundle Assignment Bundle Assignment Now that the transmitter is set up it is time to set up the receiv
11. 141054 LOPE am uy 3 10 08000 0v7 PIDOZ 10 10 4 8 09 i User Manual CDK 8 Platform Board saddog doy xo 0x D m F x x n i Xp X rp T 09 ett Em UH p T E Hr 99 26 tiny 2 3 H x s Ho onu e Hg ole sm e ca SILON o w t 45 F ana ws xus am LI iit oH B e UNE TUE S eV 2 A38 10 05000 0 0 pJoog 8 09 911 4991 0193 V I 9 4 Assembly Drawing ATTEROT Attero Tech LLC 2009 CDK 8 Platform Board User Manual ATTEROTECH APPENDIX B Introduction to CobraNet CobraNet is an audio networking technology for delivery and distribution of real time high quality uncompressed digital audio using a standard Ethernet network It is implemented using a combination of hardware firmware and the CobraNet protocol Unlike other audio networking or distribution technologies CobraNet is a true network and exists on standard Ethernet networks using standard Ethernet hardware Since it is a true network audio routing is highly flexible between network nodes and can be used in a varie
12. 21 J22 SAMTEC HEADER 2X4 0 1 THRU MALE TSW 104 07 G D L101 SUMIDA INDUCTOR POWER 10UH 2 0A SMD CDRH6D38NP 100NC L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L11 L12 113114115116 117 118119 STEWARD FERRITE 68_ 0603 MI0603J680R 10 Q5 Q6 Q1 Q2 Q3 Q4 TOSHIBA ON SEMI TRAN SIG NPN 20 V SOT23 TRAN SIG PNP 60V SOT 23 2SC3326A TSLFT MMBT2907ALT1G R5 R6 PANASONIC RES 0 OHM 1 10W 5 0603 ERJ 3GEYOROOV R42 R43 PANASONIC RES 1 0K 1 10W 5 0603 ERJ 3GEYJ102V R8 R13 R16 R23 PANASONIC RES 100 OHM 1 10W 5 0603 ERJ 3GEYJ101V R15 R19 R102 PANASONIC RES 10K 1 10W 1 0603 ERJ 3EKF1002V R7 R22 R24 R26 R31 R36 R44 R100 PANASONIC RES 10K 1 10W 5 0603 ERJ 3GEYJ103V R101 PANASONIC RES 17 4K 1 10W 1 0603 ERJ 3EKF1742V R2 R3 R4 PANASONIC RES 182 OHM 1 8W 1 0805 ERJ 6ENF1820V R14 R18 ROHM RES 470 1 10W 0603 1 MCRO3EZPFX4700 R9 RIO R11 R12 PANASONIC RES 4 99K 1 10W 1 0603 ERJ 3EKF4991V R17 R20 R21 ROHM RES 51 OHM 1 10W 1 0603 MCRO3EZPFX51RO 51 PANASONIC SWITCH TACT 2LEAD 3X6MM EVQ PJS04K U2 CIRRUS LOGIC MXS STEREO DAC TSSOP10 CS4344 CZZ U3 CIRRUS LOGIC IC MXS A D CONVERT 10 TSSOP CS5343 CZZ Ul LINEAR TECH IC LNR REG SW 1 4A 8 MSOP LT1936EMS8E PBF
13. 5 232 line driver receiver It provides power to a CDK 8 module as well as audio jacks serial ports and headers for access to critical signals An Attero Tech CDK 8D CDK 8DHMI or CDK 8DUART module is required for operation of the Platform Board With a CDK module properly installed the assembly resembles the functionality of the Attero Tech 2 1 1 Block Diagram M A Stereo stereo 1 8 Input 1 8 Output Mutin Stereo RCA Input Stereo RCA Output IDAC Clocks amp 4 26 Pin Digital 1 0 Header Data Header 26 pin Header for for Data and Clocks User Applications CND CND scuk CND LRCUK 3 Pin MUTE Auto Off HOATAO HADDRO DAI DATAD Select Header HDATAY HADDR DAOI DATADO CND HDATAZ HADDR2 BRIDGE AKT TX OE av 25 HDATAS UT HDATAS WATCHDOG J7 HDATAG EXT PWR EXT PWR HDATAT DAN DATA DAOI DATA DAN DATAZ DAO1_DATA2 DAN DATAS DAOI DATA3 lt Logic Level 7 serial Bridge Header RS 232 Logic Level Select Header RS 232 Level Control Connector Unregulated SVDC Input 45 232 Level Serial Bridge Connector Figure 1 CDK 8 Platform Board Block Diagram Attero Tech LLC 2009 Page 1 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH 2 Hardware Refer to the PCB silkscreen in section 4 2 1 to locate the various headers and connectors T
14. ATTEROT 1 I CDK 8 Platform Board CDK 8 and CobraNet Evaluation Board User Manual Date 12 22 2009 Revision 03 O Attero Tech LLC 1315 Directors Row Suite 107 Ft Wayne IN 46808 Phone 260 496 9668 Fax 260 496 9879 614 00003 03 ATTEROTECH CDK 8 Platform Board gt User Manual IMPORTANT SAFETY INSTRUCTIONS The symbols below are internationally accepted symbols that warn of potential hazards with electrical products 10 11 12 13 14 This symbol wherever it appears alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock This symbol wherever it appears alerts you to important operating and maintenance instructions in the accompanying literature Please read the manual Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by Attero Tech Unplug th
15. Data bit 1 HADDRI In Host Port Address bit 1 2 In Out Host Port Data bit 2 o HADDR2 In Host Port Address bit 2 HDATA3 In Out Host Port Data bit 3 HADDR3 In Host Port Address bit 3 HDATA4 In Out Host Port Data bit 4 HRW Host Port Transfer Direction Motorola HRD In Host Read Intel HDATAS In Out Host Port Data bit 5 HREQ Out Host Port Data Request HDATA6 In Out Host Port Data bit 6 HACK Out Host Port Interrupt Request HDATA7 In Out Host Port Data bit 7 HDS Host Strobe Motorola HWR Host Write Intel GND Digital Ground HEN Host Enable Motorola HCS Host Select Intel GND Digital Ground GND Digital Ground GND Digital Ground REFCLK_IN Reference Clock CTRL_UART_RXD CDK 8DUART Control Asynchronous Receive Data CTRL_UART_TXD CDK 8DUART Control Asynchronous Transmit Data GND Digital Ground GND Digital Ground Table 2 CDK 8 Module HMI amp UART Header Pin out Attero Tech LLC 2009 Page 4 614 00003 03 ATTEROTECH J3 User Digital 1 0 Header This header Signal Name Direction CDK 8 Platform Board User Manual has an identical pin out to J1 and allows the user to access the signals in Table 3 below Function CDK MCLK Out Master Audio Clock GND Digital Ground CDK SCLK Audio Bit GND Digital Gr
16. cts to the stereo DAC White Left Audio Channel Output Red Right Audio Channel Output 113 9 VDC Input Unregulated 2 1mm plug with center pin positive 500 mA recommended O Attero Tech LLC 2009 Page 9 This connects to the stereo ADC J11 A is only functional when J16 is configured for 1 8 input Tip Left Audio Channel Input Ring Right Audio Channel Input Sleeve Audio Ground J11 B top 1 8 3 5 mm Stereo Audio Output This connects to the stereo DAC Tip Left Audio Channel Output Ring Right Audio Channel Output Sleeve Audio Ground 614 00003 03 CDK 8 Platform Board User Manual o ATTEROTECH 2 5 LEDs These LEDs provide a visual status of various signals Connected to Function 3 3 V Indicates that the platform board power supply is operational MUTE Indicates that the installed CDK 8 module interface is not ready Indicates that a reset signal has been asserted by either pressing the reset RESET_IN switch or by the watchdog circuitry if the WDI shunt is installed RESET_OUT Indicates that the installed CDK 8 module is resetting Table 7 CDK 8 Platform Board LEDs 2 6 Reset Switch This switch forces a reset of the installed CDK 8 module Pressing it asserts the RESET_IN signal and illuminates D3 If the CDK module is correctly installed the module is reset and as a consequence asserts the RESET_OUT signal causing D4 to illuminate If D4 does no
17. ers In order to receive bundles each CobraNet device has up to eight bundle receivers To enable a device to receive a bundle simply allocate one of that device s bundle receivers the same bundle number as a transmitted bundle By doing so a virtual link is created and audio should now be passed from one device to the other It should be noted that no knowledge of a device s network topology or connection is thus required in order to configure audio connections The only restriction to this is that a device cannot be set up to receive a bundle it is also transmitting The above case creates a simple one to one unidirectional link If more devices are required to receive that bundle allocate the same transmitted bundle number to a bundle receiver on the other CobraNet devices It is also important to note that CobraNet supports simultaneous bidirectional audio distribution in each device Not only could audio be sent from Device A to Device B but at the same time should it be needed audio could also be sent from Device B to Device A The exact bundle and routing configuration will be determined by the needs of each individual installation An installation may have multiple units transmitting multiple bundles The only restriction is the bandwidth available on the network to transfer the audio CobraNet does more than just transfer audio data It can be used to pass serial information as well A feature called serial bridging has been incorporated t
18. form Board User Manual ATTEROTECH 3 4 2 Bundle Routing The previous page dealt with routing audio signals on the CobraNet network This cannot be accomplished without first designating bundle assignments Each CobraNet device transmits audio channels in bundles over the network Each bundle is capable of transmitting up to eight channels The CobraNet processor used in the device determines the total number of channels In order for transmission to occur a transmitter must have a matching receiver In the case of the CO2 the devices are capable of only stereo audio Therefore audio is only transmitted in the first TX RX bundle TX1 RX1 Demonstration Utility J0 xj Audio Signal Routing Serial Bridge Discovery Options IP Address Device 1 IP Address Device 2 A Bundle Assignment Bundle Assignment 1 0 TX1 RX3 E 0 TX3 0 RX2 To 0 TX2 0 4 n 0 1 4 1 o Es p AKI TX2 5 ES 2 3D RX3 TX4 o p RX4 D Set Set Show System Diagram Figure 4 Bundle Routing page of the 2 Demonstration Utility A IP Address Boxes Displays the current IP address of the device being monitored B Bundle Assignment Edit Boxes Bundles numbers are assigned in these edit boxes The numbers indicate the current bundle assignments for the labeled box C Copy Buttons These buttons provide an easy way to populate each
19. hat allows the passage of serial data between nodes Each node can pass serial data to a specific node or multicast the data to multiple nodes A node can also receive data from either a single source or multiple sources Baud rates data bits stop bits parity and so on are all configurable There is also support for multi drop serial buses as well Finally CobraNet has the capability to alter all of the above options in real time making the whole system completely dynamic By use of control software all of the bundle assignment parameters can be configured with no need to change cables switch out connectors or pull new wiring Most importantly this control capability can be implemented from a single location 2 Bundle numbers range from 1 through 65535 A value of O represents an inactive bundle Numbers 1 255 are reserved for multicast mode transmissions only O Attero Tech LLC 2009 Page B 2 614 00003 03 CDK 8 Platform Board User Manual ATTEROT H APPENDIX C Reference Documents The following table lists the relevant reference documents Document Title CDK 8 Platform Board Quick Start Guide CDK 8 Datasheet CobraNet Programmer s Reference Cirrus Logic O Attero Tech LLC 2009 Page 1 614 00003 03
20. he schematic in section 3 4 4 1 provides the pin arrangement for all headers Note In the following pin out tables if the pin name is preceded by a backslash then the signal uses negative true logic 2 1 Setup First make sure a CDK 8D CDK 8DHMI or CDK 8DUART module is properly installed To install a CDK 8 module on the platform board first power off the board line up the pin 1 indicators indicated by a triangle dot or indentation for J1 and J2 if applicable and then firmly push it straight down Next refer to section 2 3 and install the appropriate jumpers depending on your desired configuration Finally connect your audio jacks and power up the board using the provided power supply Note If a CDK 8 module needs to be removed from a Platform Board for any reason use caution so as to not bend the pins on JI or J2 2 2 1 0 Headers All headers on the platform board are spaced on 0 1 centers and are standard square pin headers Signal directions are relative to the CDK 8 module CDK 8 Module Digital Audio 1 0 Header This header is utilized by all CDK 8 modules Signal Name Direction Function CDK MCLK Out Master Audio Clock GND Digital Ground CDK SCLK Audio Bit Cloc GND Digital Ground LRCLK Sample Clock GND Digital Ground DAIT DATAO Digital Audio Input Data 0 GND Digital Ground DAO1_DATAO Digital Audio Output Data 0
21. is apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped This apparatus shall be connected to a mains socket outlet with a protective earthing connection When permanently connected on all pole mains switch with a contact separation of at least 3mm in each pole shall be incorporated in the electrical installation of the building WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE O Attero Tech LLC 2009 Page i 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH Contents 1 Overview 1 1 Block Diagram 2 Hardware 2 1 Setup 2 2 1 0 Headers CDK 8 Module Digital Audio Header CDK 8 Module HMI amp UART Header User Digital 1 0 Header User HMI Header Logic Level CobraNet Serial Bridge Header Logic Level CDK 8DUART Control Header 2 3 Configuration Headers 14 3 3 V Header 15 Header 17 CobraNet Serial Bridge RS 232 Logic Level Select Header 18 CDK 8DUART Control RS 232 Logic Level Select Header 19 CobraNet Serial Bridge Nor
22. is then received by the other CobraNet device and echoed back provided that this device is set to loopback operation The looped back data is then displayed in the Received Serial Data box By configuring both devices for normal operation the user can demonstrate the ability to send serial data over the CobraNet network by means of the serial packet bridge feature D Received Serial Data Characters received on the serial port are displayed in this box E Refresh Serial State Button This button updates the user interface to reflect the current state of the serial mode on the device This feature is much like the Refresh feature on the Bundle Routing page and should only be necessary if a device has inadvertently been disconnected and reconnected to the network Attero Tech LLC 2009 Page 16 614 00003 03 A CDK 8 Platform Board ATTEROTECH gt User Manual 3 4 4 Discovery Options Devices are automatically discovered by the application however the appropriate network adapter must be selected for this to work properly The software defaults to the first network adapter found If this is not the appropriate Ethernet adapter then no devices will be found For example many laptops have both wired and wireless network adapters If the first adapter enumerated on the system is the wireless adapter the adapter will not see the CobraNet devices C02 Demonstration Utility lol xl Audio Signal Routing Bundle Routing
23. mal Loopback Mode Select Header 20 Muting Select Header 21 DAC Clocks amp Data Header 22 ADC Clocks amp Data Header 2 4 5 RS 232 CobraNet Serial Bridge 6 RS 232 CDK 8DUART Control 10 RCA Stereo Audio Input 11 A bottom 1 8 3 5 mm Stereo Audio Input 11 B top 1 8 3 5 mm Stereo Audio Output 12 RCA Stereo Audio Output 13 9 VDC Input 2 5 2 6 Reset Switch o 0 o o o 0 00 S NU 3 Software 3 1 Requirements 3 2 Installation 3 4 Software Interface 3 4 1 Audio Signal Routing 3 4 2 Bundle Routing 3 4 3 Serial Bridge 3 4 4 Discovery Options APPENDIX A Reference Design Al Schematic A2 Bill of Materials A3 1 Top Silkscreen A3 2 Top Copper A3 3 Bottom Copper A3 4 Assembly Drawing APPENDIX B Introduction to CobraNet APPENDIX C Reference Documents O Attero Tech LLC 2009 Page ii 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH 1 Overview The Attero Tech CDK 8 Platform Board allows for evaluation of the Attero Tech family of CDK 8 modules This platform board incorporates a switching power regulator a stereo a stereo ADC a watchdog timer and
24. mechanism used to send and receive bundles between devices For a transmitted bundle audio may be sourced either directly from the local audio inputs of the device or from internal audio via the on board DSP but not both simultaneously Internal audio from the onboard DSP could have originally been sourced from the local device inputs sent from another CobraNet device or even generated by the DSP itself Combinations of the local or internal audio may exist within a bundle in any order Additionally a single audio source in a device may be used multiple times in a single transmitter bundle or across multiple transmitter bundles For a received bundle the received network audio may be routed directly to the device s local outputs the internal DSP or simply ignored Once the contents of a bundle have been decided the next step is to pass the bundle to another CobraNet device To do this every CobraNet device has up to 4 bundle transmitters Each bundle transmitter has a transmit mode that must first be selected This affects how many devices may receive that particular bundle at a time 1 Not available on all devices CS496xxx devices only Attero Tech LLC 2009 Page B 1 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH The modes are as follows o Unicast Used for one to one connections In this mode only one receiver at a time can receive this bundle Once a link is established from this transmitted
25. ound CDK_LRCLK Sample Clock GND Digital Ground Digital Audio Input Data O GND Digital Ground DAO1 DATAO Digital Audio Output Data O GND Digital Ground BRIDGE TXD Asynchronous Transmit Data BRIDGE TX OE Transmit Drive Enable BRIDGE UART RXD Asynchronous Receive Data 3 3 V 3 3 V for CDK 8 Module MUTE Interface Ready RESET_OUT Reset Out RESET_IN External Reset In WATCHDOG Watchdog EXT_PWR External Power EXT_PWR External Power DATA Digital Audio Input Data 1 DAO1_DATA1 Digital Audio Output Data 1 DAI _DATA2 Digital Audio Input Data 2 DAO1_DATA2 Digital Audio Output Data 2 DAI DATA3 Digital Audio Input Data 3 DAO1_DATA3 Attero Tech LLC 2009 Digital Audio Output Data 3 Table 3 User Digital 1 0 Header Pin out Page 5 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH J4 User HMI Header This header has an identical pin out to J1 for pins 1 26 and allows the user to access the signals in Table 4 below Signal Name Direction Function MCLK IN In Master Audio Clock Input GND Digital Ground GND Digital Ground GND Digital Ground HDATAO Host Port Data bit O HADDRO Host Port Address bit O HDATAI Host Port Data bit 1 HADDRI Host Po
26. p L and R Button This is an audio routing function and issues a command to the CobraNet device to swap the left and right audio channels O Attero Tech LLC 2009 Page 12 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH F Mute Selection Audio channels can muted individually by checking each channel s corresponding checkbox G Defaults Button This button loads the default factory settings preloaded in each CobraNet device This is useful if your device has become unstable This function also resets the software interface if for example the connection to the device was lost and parameters were changed in the software without updating the device H View Device Errors Button This button opens a new window that displays the error count and last error code This is useful for troubleshooting a device or monitoring the performance of a device on the current network setup Hide Show System Diagram A graphical depiction of the current CobraNet system is displayed and updated in the System Diagram This is a helpful tool in demonstrating the relationship between the software hardware and CobraNet capabilities Pressing the Show Hide button allows the user to display or hide the picture in Figure 3 C02 1 TX n RX AUDIO IN Figure 3 System Diagram of the 2 Demonstration Utility O Attero Tech LLC 2009 Page 13 614 00003 03 CDK 8 Plat
27. ration The top row of header pins are signals from the CDK 8 module whereas the bottom row connects to the DAC These four shunts are normally installed J22 ADC Clocks amp Data Header With all four shunts installed vertically the master clock bit clock frame clock and serial data output are connected directly to the ADC for normal operation The top row of header pins are signals from the CDK 8 module whereas the bottom row connects to the ADC These four shunts are normally installed O Attero Tech LLC 2009 Page 8 614 00003 03 ATTEROTECH 2 4 Connectors CDK 8 Platform Board User Manual These connectors provide connectivity to external components J5 RS 232 CobraNet Serial Bridge This DB9F connector allows user s computer to connect to t J5 is only active when J17 is configured for RS 232 operation J6 RS 232 CDK 8DUART Control This DB9F connector allows a user s computer to connect to t is only active when J18 is configured for RS 232 operation and J10 RCA Stereo Audio Input This connects to the stereo ADC 10 is only functional when White Left Audio Channel Input Red Right Audio Channel Input he CobraNet Serial Bridge using a standard 9 pin serial cable he CDK 8DUART Control using a standard 9 pin serial cable J6 a CDK 8DUART module is installed 16 is configured for RCA input 11 bottom 1 8 3 5 mm Stereo Audio Input J12 RCA Stereo Audio Output This conne
28. rt Address bit 1 HDATA2 Host Port Data bit 2 HADDR2 Host Port Address bit 2 HDATA3 Host Port Data bit 3 HADDR3 Host Port Address bit 3 HDATA4 Host Port Data bit 4 HRW Host Port Transfer Direction Motorola HRD Host Read Intel HDATAS Host Port Data bit 5 HREQ Host Port Data Request HDATA6 Host Port Data bit 6 HACK Host Port Interrupt Request HDATA7 Host Port Data bit 7 HDS Host Strobe Motorola HWR Host Write Intel GND Digital Ground HEN Host Enable Motorola HCS Host Select Intel GND Digital Ground GND Digital Ground GND Digital Ground REFCLK_IN Reference Clock Table 4 User HMI Header Pin out Attero Tech LLC 2009 Page 6 614 00003 03 A CDK 8 Platform Board ATTEROTECH User Manual J7 Logic Level CobraNet Serial Bridge Header This header is only functional when J17 is configured for logic level operation Signal Name Direction Function BRIDGE UART RXD CobraNet Serial Bridge Asynchronous Receive Data BRIDGE UART TXD CobraNet Serial Bridge Asynchronous Transmit Data GND Digital Ground GND Digital Ground Table 5 Logic Level CobraNet Serial Bridge Header Pin out J8 Logic Level CDK 8DUART Control Header This header is only functional when J18 is configured for logic level operation Signal Name Direction Function CTRL UART RXD CDK 8DUART Control A
29. signals to either J5 or J7 These shunts are normally in RS 232 mode J18 CDK 8DUART Control RS 232 Logic Level Select Header This header selects between RS 232 or logic level CDK 8DUART Control operation Follow the PCB silkscreen directions to route signals to either J6 or J8 These shunts are normally in RS 232 mode J19 CobraNet Serial Bridge Normal Loopback Mode Select Header With the shunt in normal mode the CobraNet Serial Bridge operates unaltered Normal mode allows full duplex serial data communication from one CobraNet device to another With the shunt in loopback mode the signals BRIDGE UART TXD and BRIDGE UART RXD are connected together Placing one CobraNet device in loopback mode allows data transmitted by another CobraNet device in normal mode to travel over the network and subsequently be echoed back thus verifying serial bridge connectivity Follow the PCB silkscreen directions for desired shunt placement This shunt is normally in Normal mode J20 Muting Select Header With the shunt in automatic mode the DAC outputs will be muted when the signal is asserted With the shunt in off mode the DAC outputs are never muted Follow the PCB silkscreen directions for desired shunt placement This shunt is normally in Auto mode J21 DAC Clocks amp Data Header With all four shunts installed vertically the master clock bit clock frame clock and serial data input are connected directly to the DAC for normal ope
30. synchronous Receive Data CTRL UART TXD CDK 8DUART Control Asynchronous Transmit Data GND Digital Ground GND Digital Ground Table 6 Logic Level CDK 8DUART Control Header Pin out O Attero Tech LLC 2009 Page 7 614 00003 03 A CDK 8 Platform Board ATTEROTECH gt User Manual 2 3 Configuration Headers configuration headers on the platform board are spaced on 0 1 centers and are standard square pin headers with shunts supplied 114 3 3 V Header With a shunt installed on J14 the switching power supply is connected to the 3 3 V net on the platform board Uninstalling this shunt allows the connection of an ammeter for current measurements or a third party power supply If using a third party power supply and bypassing the switching regulator connect to the pin labeled GND1 and connect to the right most pin of this header This shunt is normally installed J15 WDI Header With a shunt installed on J15 the WATCHDOG signal of the CDK 8 module is connected to the pin of the watchdog circuitry on the platform board Uninstalling this shunt disables the watchdog functionality and if required the module will have to be reset manually by pressing S1 This shunt is normally installed J17 CobraNet Serial Bridge RS 232 Logic Level Select Header This header selects between RS 232 or logic level CobraNet Serial Bridge operation Follow the PCB silkscreen directions to route
31. t illuminate make certain that the CDK has been installed properly Attero Tech LLC 2009 Page 10 614 00003 03 CDK 8 Platform Board User Manual ATTEROTECH 3 Software 3 1 Requirements Microsoft Windows 2000 or Windows SNMP services installed and running 3 2 Installation All installation files are included on the CD packaged with the system To install the software on your machine simply run the setup exe file located on the CD ROM The installation will create a program group and a shortcut to the program This is located under Start Menu All Programs CobraNet CO2 CO2 Demonstration Utility 3 3 Setup The software requires the presence of at least one CobraNet device on the network to operate and at least two to have meaningful CobraNet functionality It is recommended that an independent isolated network be used for demonstrating CobraNet devices to eliminate network traffic issues First connect your computer to a 10 100 Fast Ethernet switch and assign your network adapter a static IP address This is done by right clicking the network adapter in the Network Connections control panel and editing its TCP IP properties Next power up each CobraNet device and connect them to the same switch using CAT 5 Ethernet patch cables Launch the CO2 Demonstration Utility and verify that the network adapter connected to the CobraNet network is selected The software will now automatically detect and
32. to Ed oc zz 28 28 gt gt 1 v User Digital 1 0 Header CDK 8 Module Digital 1 0 Header CDK BDHMI BDUART Module HMI UART Hea User Header Attero Tech LLC Heoders LEDs 500 00050 01 REV 7 6 2007 O Attero Tech LLC 2009 Page 1 614 00003 03 User Manual CDK 8 Platform Board 1902 9 1 WI uu 2 10 05000 009 5554 Iva 90 OTT 291 uononbiuoy LAYA 21409 18 8 02 Janaaay Jaag aum 558 54 614 00003 03 Page A 2 Attero Tech LLC 2009 Va a S E amp ls ola co x I ATTEROT pog 002 9 2 uw 2 10 05000 009 9915 211
33. ty of audio distribution applications In addition to the high degree of routing flexibility that CobraNet provides the technology also incorporates the ability to monitor and control CobraNet devices remotely This is a key feature that is highly important in fixed installation applications where the audio distribution equipment may not be readily accessible All CobraNet devices on the network can be controlled and monitored from a central location by sending control commands and monitoring device specific parameters CobraNet provides this capability by implementing Simple Network Management Protocol SNMP SNMP is a standard protocol typically used for monitoring network devices such as Ethernet switches In the case of CobraNet it allows users to communicate with any CobraNet device using standard SNMP tools or a customized user interface designed specifically for CobraNet such as Attero Tech s Control Center application ETHERNET DIGITAL AUDIO COMPUTER DATA CONTROL AND MONITORING CLOCK The figure above represents the types of data that coexist on a CobraNet network Before a CobraNet system can be configured it is important to first understand how CobraNet distributes audio between devices Audio is sent in bundles on a CobraNet system Each bundle is capable of holding up to 8 logical audio channels Every CobraNet device has a number of bundle transmitters and bundle receivers These transmitters and receivers are the
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