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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (27 topics).
27 topics · 143 messages
Filtered by: #serial ✕
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TDM2 oder 8 channels
Hey together, one question. We know that it is possible to send 16 channels of audio via serial port 0/1 via a single SDATA pin (16 channels), via 2 SDATA pins (2x8channels) and 4 SDATA pins (4x4chann
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Understanding of gain stage, dsp headroom and serial port bit rates
Hello Ez, I am trying to properly understand the relation between gain stage, DSP headroom and serial port bit rates as the title says. The DSP is used as an active XO for stereo systems. It could be
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Split channel to separate serial output
Hi! How do I create a project in Sigma Studio that accepts an SPDIF input and has an i2s output split into two separate serial out ports? I'm looking to connect to an external DAC based on two chips –
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ADAU1787 serial port latency
Hi All, A project I'm starting on soon ideally would have lower noise and distortion figures than what the on board ADC's and DAC's of the ADAU1787 can do. Is the latency through the serial ports and
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Issues with serial input ports
Hi all, I'm having trouble getting the serial input ports other than the first one to work. This is my setup: Serial input port 0: it's connected to an ADC that acts as an I2S master. Serial input por
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Serial interface clocking configuration help needed
I am looking for assistance on setting up the clocking of the output serial interface of ADAU1466. I'm using 24.576 MHz master clock fed to both ADAU1466 and 3pcs PCM1795 (connected to DSP via I2S int
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ADAU1452 serial port is 16bit but calculations are 32bits
Hi, I am working with the ADAU1452 on the Sigma Studio 4.6, I stream to its serial input ports accelerometer data (3 axis of adxl317). The accelerometer is configured to output each channel as 16bit d
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ADAU1787 I2S output?
I want to use ADAU1787 for use in a stereo 2-way application that utilizes I2S input, and output by I2S and both DACs. The problems I have run into: Using SigmaDSP Serial Audio input, no signal is com
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Using an external Audio Codec (cs42448) with ADAU1452
Hello, I'm in the process of building a 6ch output DSP. I have worked succesfully with the AUAD1701, but now i'm stuggeling to get an external Audio Codec working with ADAU1452. I would be very glad i
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16-Bit I2S data on ADAU145x/146x
Hi, I've tried to use the Serial Port for a 2x 16-Bit interface to another chip. The serial port is a slave configuration. But when I set the dropdown list to "2 channels / 16 bit/channel" the graphic
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EVAL-ADAU1787 setup to access digital data output from J4/J40
Dear AD, I am writing some codes in the Designer Controls cell. Therefore, to verify my code, I would like to compare the output of the design cell with the output of a reference code in digital domai
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ADAU1452 drive strength and equivalent resistance or impedance
In the datasheet there is only information about maximum current versus drive strength setting, ie at 3.3V Lowest 2mA Low 5mA High 10mA Highest 15mA A simple calculation implies that the R-ON for the
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LRCLK_OUT2\MP8 routing
Hi, I need assign the input port LRCLK_IN2\MP12 direct to LRCLK_OUT2\MP8, this is possible? (like GPIO or Primary Clock or control port) I need see the input clocking. Audio Signal Processors adau1452
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Help needed to configure serial ports on ADAU1466
Hello! I previously opened a thread about communication problems with the ADAU 1466. That problem couldn't really be sorted out, but avoided by using I2C communication instead of SPI. I have been able
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Serial Audio Interface to EVAL-ADAU1777
I am attempting to bring up a serial audio interface to the EVAL-ADAU1777, and would like to post my approach and glean any advice or expertise from others who have blazed this trail. Products from Mi
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Simultaneous serial audio and digital microphones on ADAU1777?
From the data sheet for the ADAU1777, it is clear that the input path can accept analog microphones, digital microphones, and serial audio inputs. I have successfully brought up designs on the EVAL-AD
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output rate conversion ratios for ASRC
Why am I seeing different output rate conversion ratios for the 4 ASRCs I am using when I have them set to the same source and output rate? In the ASRC tab I see the following output rate conversion r
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ADUA1452 Serial Input Ports
Hello AD, I am wondering if you can help me configure my ADAU 1452 Eval board to accept multi-channel audio through the serial input ports for I wish to bypass the ADC? I see from the ADAU1452 data sh
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Serial Port Clock Domains in ADAU1450
In ADAU1450, Do we require seperate clock domains (LRCLK and BCLK) for each Serial data input and output? Audio Signal Processors sigma300 serial port adau1450 SigmaDSP Audio Processors
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Demo PC program to change parameters for ADSP-21489
Hi all, we are studying the SHARC platform and we need to write a program for a PC to change a number of parameters for the firmware downloaded on the DSP on the demo 21489 board. My preference is by
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ADAU1701 Setting up a serial output with SigmaStudio?
Hi guys, I want to create a serial output from the ADAU1701 to drive an S/PDIF Transmitter, but I have some doubts. The ADAU1701 will be working as the Master at 192KHz. I thought that digital data ju
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ADAU1701 with I2S slave in, I2S master out?
Hi all, I have been using the ADAU1701 with a reasonable amount of success, but I just ran into a snag.. I have already managed to get the ADAU1701 to output (as I2S master) to an external DAC. Howeve
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Serial Output Control register settings (2078) adua1701
Hi all, I need some help understanding the settings possible for the serial output control register setup of the adua1701 in combination with an external adc/dac. The design is based on a 48kHz sample
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AD1954 master/slave setting
Hi, I want to use the ADC->AD1954 to implement my project.I set the serial interface mode of the ADC to be master mode and I^2S.So I need to set the serial infterface mode of the AD1954 to be slave mo
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3 x ADAU1761 serial port chain
Hey Guys, Is it possible to chain 3 x ADAU1761's using the serial port: Output1-Input2, Output2-Input3, Output3-Input1 as shown in the attached block diagram? From info in datasheet I see each serial