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Amplifier 4 MOST

User Manual

Figure 5-4: Speaker connector pinouts

6 Physical Dimensions

Dimensions

Length 8.4252

(214

mm)

Width 6.2598

(159

mm)

Height

2.0866 (53 mm)

Table 6-1: Overall dimensions

User Manual

©

Copyright 2002 - 2003 OASIS SiliconSystems

Page 23

Amplifier 4 MOST Version: 2.0 User Manual

Document Version: 2.0-03 Release Date: 2003-07-23

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Summary of Contents for 4 MOST

Page 1: ...nted Systems Transport Multimedia and Control Networking Technology Amplifier 4 MOST Version 2 0 User Manual Document Information Version 2 0 03 Release Date 2003 07 23 X11293 Copyright 2002 2003 OASIS SiliconSystems ...

Page 2: ...However the information in this document is subject to change without notice and is provided as is without warranty of any kind expressed or implied Further Information For more information on OASIS SiliconSystems products including integrated circuits software and MOST development tools and modules contact one of our offices below or visit our web site www oasis com www oasis de OASIS SiliconSyst...

Page 3: ...OST Copyright 2002 2003 OASIS SiliconSystems All rights reserved MOST is a registered trademark User Manual Copyright 2002 2003 OASIS SiliconSystems Page 3 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 4: ...irst version 1 2 Change delay mem to optional 5 Remove connection comments from harness dwg 2 0 03 2003 07 23 8 Replaced with reference to OS88558 User Manual User Manual Copyright 2002 2003 OASIS SiliconSystems Page 4 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 5: ...Of The Connectors 13 4 2 2 Power Connections 14 4 2 3 Speaker Connections 14 4 2 4 Line Input Connections 14 4 2 5 OptoLyzer4MOST Setup 15 4 2 6 MOST Network Connections 15 4 3 Basic MOST Network Configuration 16 4 4 Complete MOST Network Configuration 18 4 5 S PDIF MOST Network Configuration 20 5 CONNECTOR CABLE PINOUTS 22 6 PHYSICAL DIMENSIONS 23 7 SOFTWARE CONTROLS OCI FILES 25 7 1 Amplifier 4 ...

Page 6: ...register e g message buffer RSVD The respective bit or register is reserved for future use Inverter x Don t care Ç Rising edge È Falling edge DAC Digital to Analog Converter ADC Analog to Digital Converter DSP Digital Signal Processor DBFS Decibels relative to digital full scale EQ Equalizer LSB Least Significant Bit MSB Most Significant Bit IDS Integrated Development System MNS MOST NetServices N...

Page 7: ... Connects POWER socket of the Amplifier 4 MOST to power supply or battery 1 optical connector Connects MOST socket to a MOST Network Amplifier side Yazaki 2 0P connector MOST side to HP HFBR 4531 connector 2 orange optical fibers 2x HP HFBR 4505 fiber fiber coupler 2 plastic optical fibers with HP HFBR 4531 connectors 1 CD containing documentation and oci files to control the Amplifier 4 MOST 1 us...

Page 8: ... channel into eight 2 Ω speakers Line outputs for two powered speakers e g powered subwoofer system Automotive environmental specifications met Stereo Line inputs Microphone input 1 5 Block Diagram Typical Application 1 Power amplifier 2 Line output amplifier 3 Differential input Figure 1 1 Block diagram of the Amplifier 4 MOST User Manual Copyright 2002 2003 OASIS SiliconSystems Page 8 Amplifier ...

Page 9: ... A D and D A converters There is a provision for a stereo analog input and also for an electret microphone MOST NetServices software is built into this module providing the software services needed to communicate with other MOST devices The software built into the Amplifier 4 MOST includes digital signal processing for eight audio streams In this demo device it is possible to amplify one stereo au...

Page 10: ... A Isleep Sleep Supply Current Light off for 1 Min 160 µA Ipk Peak Supply Current 40 A Table 3 1 Operating characteristics 3 2 Amplifier Channel Characteristics Symbol Description Conditions Min Typ Max Units Pout Output Power RL 4 Ω THD 10 25 W RL 2 Ω THD 10 40 W THD Volume 0x40 85 dB PSRR Power Supply Rejection 60 dB DR Dynamic Range Volume Max vs Volume min 1 110 dB Vn 0 Output Noise Volume 0x0...

Page 11: ... Table 3 3 Microphone Input characteristics 3 4 Line Level Input Characteristics The Amplifier 4 MOST includes one set of stereo line level analog inputs These inputs can be used as audio inputs to the Amplifier 4 MOST Line input characteristics Symbol Description Conditions Min Typ Max Units Vlffs Full Scale Input Voltage 440 mV rms Zin Input Impedance 10 kΩ PSRR Power Supply Rejection 60 dB CMRR...

Page 12: ... Typ Max Units Vpffs Full Scale Output Voltage 800 mVrms Zout Output Impedance 700 Ω PSRR Power Supply Rejection 50 dB V 0 Output Noise Volume 0x00 200 µVrms SNR Signal to Noise Ratio 85 dB flo Low frequency cutoff 20 Hz fhi High Frequency cutoff 18 kHz Frequency response From flo to fhi 3 0 5 dB Table 3 5 Line level output characteristics User Manual Copyright 2002 2003 OASIS SiliconSystems Page ...

Page 13: ...owing equipment can be used MOST Media Player or MOST DVD Player An S PDIF audio source CD player or PC with S PDIF optical outputs streaming audio data via an OptoLyzer4MOST Interface Box 4 2 Equipment Setup 4 2 1 Location Of The Connectors Power MOST Network optical connector Yazaki 2 0P Speakers connector for 8 external speakers 2 Ω Signal connector e g analog in etc Rx Tx Figure 4 1 Location o...

Page 14: ...its respective cable If this is the first time using the Amplifier 4 MOST connect the included speaker cable harness to the Amplifier 4 MOST and attach the blue and white twisted pair to one speaker and the green and white twisted pair to another speaker There are 8 channels of power amplification available Each channel can drive impedances as low as 2 Ω however care should be taken to avoid an ov...

Page 15: ...he OptoLyzer4MOST Standard or Professional software edition to control the Amplifier 4 MOST via an OptoLyzer4MOST Interface Box connected to the PC using a standard serial RS232 cable connection 4 2 6 MOST Network Connections Now make the network connections to form a MOST Network using the optical cables provided The connector of the orange dual optical cable plugs into MOST on the Amplifier 4 MO...

Page 16: ...Configuration Amplifier 4 MOST OptoLyzer4MOST Interface Box Figure 4 2 Basic MOST Network configuration User Manual Copyright 2002 2003 OASIS SiliconSystems Page 16 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 17: ...ar and click on the Control button An OptoControl window will open 11 Click on the button with the little arrow pointing downwards to the right of the Customize button Click on Load Profile in the menu that pops up 12 In the Amp_Control_path described in section 4 2 5 select the oci subfolder and then the 2V0_MOSTAMP188 oci file Then click the Open button A remote control interface window will be ...

Page 18: ...tion Amplifier 4 MOST MOST Media Player OptoLyzer4MOST Interface Box Figure 4 3 Complete MOST Network configuration User Manual Copyright 2002 2003 OASIS SiliconSystems Page 18 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 19: ...en the 2V0_MOSTAMP188 oci file Then click the Open button A remote control interface window will be opened in the OptoControl window 12 Click the Notification button and verify that 6 Amplifier 4 MOST status messages are displayed in the OptoViewer window This makes sure that the Amplifier 4 MOST is ready and communicates properly with the OptoLyzer4MOST Interface Box and its software 13 Go to the...

Page 20: ...nfiguration Amplifier 4 MOST OptoLyzer4MOST with S PDIF source Figure 4 4 S PDIF MOST Network configuration User Manual Copyright 2002 2003 OASIS SiliconSystems Page 20 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 21: ...e OptoViewer Window 10 Go to the OptoLyzer4MOST Standard software s task bar and click on the Control button An OptoControl window will open 11 Click on the button with the little arrow pointing downwards to the right of the Customize button Click on Load Profile in the menu that pops up 12 In the Amp_Control_path described in section 4 2 5 select the oci subfolder and then the 2V0_MOSTAMP188 oci ...

Page 22: ...outs Figure 5 1 Power connector pinouts Figure 5 2 MOST connector Figure 5 3 Signal connector pinouts User Manual Copyright 2002 2003 OASIS SiliconSystems Page 22 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 23: ...Physical Dimensions Dimensions Length 8 4252 214 mm Width 6 2598 159 mm Height 2 0866 53 mm Table 6 1 Overall dimensions User Manual Copyright 2002 2003 OASIS SiliconSystems Page 23 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 24: ... dimensions are in inches 1 inch 25 4 mm Figure 6 1 Physical dimensions of the Amplifier 4 MOST User Manual Copyright 2002 2003 OASIS SiliconSystems Page 24 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 25: ...o the stereo input Connects line input signals to the stereo input Mute No effect Indicates that a shut down is pending Removes current connection from the stereo input Connects MOST Bytes 04 07 to the stereo input Figure 7 1 Amplifier 4 MOST control Installation and usage of this control is described in the configuration examples of section 4 3 up to 4 5 User Manual Copyright 2002 2003 OASIS Sili...

Page 26: ...ing Play Stop playing Track forward Load CD Eject CD Allocate 4 Channels DeAllocate Channels Figure 7 2 MOST Media Player control Installation and usage of this control is described in the configuration example in section 4 4 User Manual Copyright 2002 2003 OASIS SiliconSystems Page 26 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 27: ...ed in the OASIS SiliconSystems IC OS88558 user manual Features related to EEPROM and delay SRAM are enabled only if these optional devices are detected by the firmware User Manual Copyright 2002 2003 OASIS SiliconSystems Page 27 Amplifier 4 MOST Version 2 0 User Manual Document Version 2 0 03 Release Date 2003 07 23 ...

Page 28: ...nsions of the Amplifier 4 MOST 24 Figure 7 1 Amplifier 4 MOST control 25 Figure 7 2 MOST Media Player control 26 10 Appendix B List Of Tables Table 3 1 Operating characteristics 10 Table 3 2 Amplifier channel characteristics 10 Table 3 3 Microphone Input characteristics 11 Table 3 4 Line level input characteristics 11 Table 3 5 Line level output characteristics 12 Table 6 1 Overall dimensions 23 U...

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