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EVAL-AD1940EB/AD1941EB 

 

 

Rev. 0 | Page 16 of 32 

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Figure 7. AD1940/AD1941 SigmaDSP 

Содержание EVAL-AD1940EB

Страница 1: ...software which interfaces to the evaluation boards with either a USB or parallel port connection USB control is available via the EVAL ADUSB1 add on board Power is distributed by a single supply whic...

Страница 2: ...erface 4 Switch and Jumper Functions 5 Rotary Switch Settings 5 IC Functions 7 LED Functions 7 Reset 7 AD1940EB AD1941EB Differences 7 Typical Setups 8 6 Channel Analog Input Output 8 S PDIF Input Ana...

Страница 3: ...lows the user to graphically configure a custom signal processing flow using blocks such as biquad filters dynamics processors and surround sound processors An extensive control port allows click free...

Страница 4: ...put on each of these headers These audio streams when selected by the rotary mode switches interface directly to the serial data ports of the AD1940 AD1941 These headers also serve as the I Os for the...

Страница 5: ...AD1941 Table 2 shows the settings of Rotary Switch SW2 This switch controls the routing of signals to the AD1940 AD1941 U1 serial input port Table 2 indicates which serial data signals are sent to ea...

Страница 6: ...DAC1 and AD1939 DAC2 Ext Out 0 AD1939 DAC3 to DAC 8 Ext Out 1 to Ext Out 3 Ext Out 4 Ext Out 5 Ext Out 6 Ext Out 7 SDATA_OUT0 Ext Out 0 Master Ext Out 0 Master 5 AD1939 DAC1 and AD1939 DAC2 AD1939 DAC...

Страница 7: ...When lit U2 is receiving no data or an invalid S PDIF stream When dim U2 is receiving valid S PDIF data D2 When lit the SPI or I2 C connection is inactive When dim an SPI or I2 C connection has been...

Страница 8: ...tting SW2 Position 0 SW9 Position 0 LK1 Connected LK2 LK3 Disconnected LK5 LK14 S PDIF SW10 Selects S PDIF source from either optical or RCA S1 Position 2 up 1 all other positions down 0 SERIAL DATA I...

Страница 9: ...apter is powered with 5 V through the USB port Using the USB adapter is preferred over the parallel connection because of its faster control port speed The AD1941EB can only be controlled with the USB...

Страница 10: ...utput This procedure can be done manually Bit 9 is always set to 1 after the program and parameter loading procedure is completed by clicking the Link Compile Download button in SigmaStudio Refer to t...

Страница 11: ...EVAL AD1940EB AD1941EB Rev 0 Page 11 of 32 SCHEMATICS 05880 002 Figure 2 S PDIF Receiver and Transmitter...

Страница 12: ...EVAL AD1940EB AD1941EB Rev 0 Page 12 of 32 05880 003 Figure 3 AD1939 Analog Input Filters...

Страница 13: ...EVAL AD1940EB AD1941EB Rev 0 Page 13 of 32 05880 004 Figure 4 AD1871 Analog Input...

Страница 14: ...EVAL AD1940EB AD1941EB Rev 0 Page 14 of 32 05880 005 Figure 5 External Digital Inputs and Microphone Input...

Страница 15: ...EVAL AD1940EB AD1941EB Rev 0 Page 15 of 32 05880 006 Figure 6 Input CPLD...

Страница 16: ...EVAL AD1940EB AD1941EB Rev 0 Page 16 of 32 05880 007 Figure 7 AD1940 AD1941 SigmaDSP...

Страница 17: ...EVAL AD1940EB AD1941EB Rev 0 Page 17 of 32 05880 008 Figure 8 Output CPLD...

Страница 18: ...EVAL AD1940EB AD1941EB Rev 0 Page 18 of 32 05880 009 Figure 9 Analog Output 0 to Analog Output 3...

Страница 19: ...EVAL AD1940EB AD1941EB Rev 0 Page 19 of 32 05880 010 Figure 10 Analog Output 4 to Analog Output 7...

Страница 20: ...EVAL AD1940EB AD1941EB Rev 0 Page 20 of 32 05880 011 Figure 11 AD1939 Codec...

Страница 21: ...EVAL AD1940EB AD1941EB Rev 0 Page 21 of 32 05880 012 Figure 12 External Digital Outputs...

Страница 22: ...EVAL AD1940EB AD1941EB Rev 0 Page 22 of 32 05880 013 Figure 13 SPI I2 C Control Interface...

Страница 23: ...EVAL AD1940EB AD1941EB Rev 0 Page 23 of 32 05880 014 Figure 14 Power Supply...

Страница 24: ...EVAL AD1940EB AD1941EB Rev 0 Page 24 of 32 PCB DIAGRAMS 05880 015 Figure 15 Top Layer Silkscreen...

Страница 25: ...INTF INPUT S PDIF RECEIVER S PDIF TRANSMITTER RESET CIRCUIT INPUT CPLD AD1940 AD1941 SigmaDSP MIC INPUT ANALOG INPUTS AD1939 CODEC OUTPUT CPLD EXT INTF OUTPUT ANALOG OUTPUTS AD1871 ADC SPI I2C CONTROL...

Страница 26: ...EVAL AD1940EB AD1941EB Rev 0 Page 26 of 32 LK4 J21 J24 SW6 LK5 LK14 LK1 LK2 LK3 SW2 SW10 SW1 LK6 SW9 SW7 SW8 SW1 05880 017 Figure 17 Evaluation Board Jumpers and Switches...

Страница 27: ...EVAL AD1940EB AD1941EB Rev 0 Page 27 of 32 LK4 J21 J24 SW6 LK5 LK14 LK1 LK2 LK3 SW2 SW10 SW1 LK6 SW9 SW7 SW8 SW1 1 0 05880 018 Figure 18 Evaluation Board Jumper and Switch Default Settings...

Страница 28: ...EVAL AD1940EB AD1941EB Rev 0 Page 28 of 32 USB ADAPTER SCHEMATIC 05880 019 Figure 19 USB Adapter Schematic...

Страница 29: ...scharge sensitive device Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection Although this product features proprietary...

Страница 30: ...EVAL AD1940EB AD1941EB Rev 0 Page 30 of 32 NOTES...

Страница 31: ...EVAL AD1940EB AD1941EB Rev 0 Page 31 of 32 NOTES...

Страница 32: ...EVAL AD1940EB AD1941EB Rev 0 Page 32 of 32 NOTES 2006 Analog Devices Inc All rights reserved Trademarks and registered trademarks are the property of their respective owners EB05880 0 1 06 0...

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