CDB42518 Cirrus Logic Inc, CDB42518 Datasheet
CDB42518
Specifications of CDB42518
Related parts for CDB42518
CDB42518 Summary of contents
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... S/PDIF Output S/PDIF Inputs Mux Cirrus Logic, Inc. http://www.cirrus.com Description The CDB42518 demonstration board is an excellent means for evaluating the CS42518/16 family of highly in- tegrated Evaluation requires an analog/digital signal source and analyzer, Windows compatible computer, and power supplies. System timing can be provided by an on-board oscillator or phase-locked to an S/PDIF input ...
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... I C system. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trade- marks or service marks of their respective owners. 2 CDB42518 2 C Patent Rights to use ...
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... Figure 16. DB-25, Ext Ctrl Header, Reset..................................................................................... 26 Figure 17. CPLD ........................................................................................................................... 27 Figure 18. Power........................................................................................................................... 28 Figure 19. Component Placement and Reference Designators.................................................... 29 Figure 20. Top Layer..................................................................................................................... 30 Figure 21. Bottom Layer................................................................................................................ 31 LIST OF TABLES Table 1. System Connections ......................................................................................................... 6 Table 2. Jumper Settings ................................................................................................................ 7 Table 3. CS42518 External Control Header Signals....................................................................... 7 Table 4. CS42518 DSP Header Signals ......................................................................................... 8 CDB42518 3 ...
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... Each CS42518 analog output is routed through a differential to single-ended, unity-gain low pass filter, which is AC- coupled to an RCA phono jack (see Figures 12 through 15). The analog output filter on the CDB42518 has been designed to add flexibility when evaluating the CS42518 DAC outputs. The output filter was designed in a two stage format, with the first stage being an optional instrumentation amplifier, and the second stage a 2-pole butterworth low pass filter ...
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... Figure 16). All control header signals are buffered, and are referenced to VLC levels. See Table 3 for a complete description of External Control Header signals Gain = 1 + ------------ IN- 2 C/SPI signals, master mute and reset, and the CS42518 interrupt signal is avail- CDB42518 OUT+ OUT- 5 ...
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... RCA phono jacks for analog input signal to CS42518 internal ADCs Input RCA phono jacks for analog input signal to CS5361 ADC #1 Input RCA phono jacks for analog input signal to CS5361 ADC #2 RCA phono jacks for channels analog outputs Table 1. System Connections CDB42518 SIGNAL PRESENT 2 C control port signals ...
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... CTRL CDB CS42518 CDB CTRL CDB CTRL CDB CDB42518 FUNCTION SELECTED Voltage source is +3.3V regulator Voltage source is +5V binding post Voltage source is +3.3V regulator Voltage source is +5V binding post Stand-Alone Modes are for debug use and are presently unsupported Selects standard 2-pole LPF ...
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... CDB CS42518 or DSP DSP_SAI_SCLK CDB - CDB CS42518 DSP_CX_SDOUT CDB CS42518 DSP_SAI_SDOUT CDB DSP MCLK_TO_DSP- CDB CDB CDB CDB CDB Table 4. CS42518 DSP Header Signals CDB42518 Schematic Buffer Signal Name DSP_MCLK 74VHC125 GND - 74VHC125 GND - 74VHC125 GND - DSP_SDAT1 74VHC125 GND - DSP_SDAT2 74VHC125 ...
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... After running the program the system will need to be restarted desired, create a shortcut to CDB425XX.EXE on your desktop. You should now be able to run CDB425XX.EXE. Double-click on CDB425XX.EXE or its shortcut. 6) Select the LPT port you are using to connect to the CDB42518. 7) Shut down the application, reset the board, and then restart the application. CDB42518 ...
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... Main Window The main window of the CDB42518 control application allows the user to configure the CDB42518 inter-board rout- ing of clocks and data, as well as setup the CS5361 and CS8406 parts. To make changes to the CS5361, CS8406, or inter-board routing, the “Configure Board” radio button must be selected. ...
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... Windows compatible computer with parallel port cable and CDB425xx software Step 1 - Follow Initial Board Setup procedure as described above Step 2 - Select Output Filter Jumpers Set all CDB42518 analog output filter jumpers to the FILT2 settings. Step 3 - Connect to Windows Software Connect the computer to the board and launch the CDB425xx software. ...
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... BLOCK DIAGRAMS Y1 24.000 MHz OMCK MCLK_TO_DSP DSP_MCLK RMCK SAI_SDOUT CX_SDOUT CX_SDIN1 CX_SDIN2 CX_SDIN3 CX_SDIN4 12 8406_MCLK DSP_MCLK MCLK_TO_DSP 5361_MCLK SAI_TO_CXSDIN CX_TO_CXSDIN Figure 2. MCLK and SDATA CDB42518 8406_SDIN SAI_DATA_TO_8406 DSP_SAI_SDOUT 8406_SDIN CX_DATA_TO_8406 DSP_CX_SDOUT DSP_SDAT1 DSP_SDAT2 DSP_SDAT3 DSP_SDAT4 DSP_TO_CXSDIN ...
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... SAI_TO_CX CX_TO_SAI Figure 3. CX and SAI LRCK/SCLK CDB42518 13 ...
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... Figure 4. Output Channel Mute Select CDB42518 ...
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... Opto-electronic Coupler RCA Jack ENABLE_4053C ENABLE_4053B ENABLE_4053A 4053C 4053B 4053A Figure 5. SPDIF Routing CDB42518 RXP/GPO5 RXO RXP/GPO1 RXP/GPO2 RXP/GPO3 RXP/GPO4 N/C RXP/GPO6 RXP/GPO7 15 ...
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... SCHEMATICS AND LAYOUT 16 CDB42518 ...
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... Figure 9. CS5361 External ADC #1 CDB42518 19 ...
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... Figure 10. CS5361 External ADC #2 CDB42518 ...
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... Figure 11. CS42518 Analog Inputs CDB42518 21 ...
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... BILL OF MATERIALS 32 CDB42518 ...
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... The MCLK_TO_DSP- signal trace between U29 pin 1 and U47 pin 1 got merged to the ground fill beneath the crystal oscillator Y1. A top side modification was performed on the board by cutting the trace to disconnect it from the ground fill. A bottom side modification was performed on the board by adding a wire to reconnect the trace. 36 CDB42518 ...
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Notes • ...
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