AD1955 SPI transmit is OK.
If use software ctrl ad1955, need wm8805 send what data to ad1955? ( sample rate and so on ).
Or need monitor what data of wm8805?
You are welcome to do any of those connection schemes. There is no harm in connecting the RDATA stream to the Left channel AD1955, and there is no harm in connecting the LDATA stream to the Right channel AD1955.
That sounds correct. In that case...
MCLK (ADAU1701) = 12.288 MHz
MCLK (AD1955) = 12.288 MHz
LRCLK = 48 kHz
BCLK = 3.072 MHz
If you take a buffered output of OSCO and feed it to the MCLK input on the AD1955, then everything should be in sync and…
Please find Figure 11 in the datasheet which shows the correct connections for Mono mode of the AD1955:
Your description is correct. The choice of which channel is selected as…
Hello. I want to use the mode "Serial Data Format in External Digital Filter Mode" (bit 13:12 DAC Control Register 0). Could you give a connection diagram to an external digital filter. Nowhere to be found. My connection diagram: DAC Control Register…
I'm back with new conclusions. I can see now that the problem with missing signal only appear on channel 5 and 7. I've already replace AD1955 and his dedicated power supplies chip on those channels and this not helped at all. But what…
AD1955 application includes SACD, which is introduced in 1999. How come it is designed 25years ago??
You can see the analog performance specs in the ADAU1701 datasheet's specifications section. If these performance specifications are not good enough for your application, you can try a separate DAC with higher performance specs. A good choice…
The AD1955 48 kHz setting describes a window of operation, from well below 44.1 kHz to 48 kHz. If you drive an S/PDIF receiver with a 44.1 kHz stream, the S/PDIF receiver will translate the signal to a set of serial clocks scaled appropriately in…
Thank You Bob and all of You guys. I've tried generate sine and there are still invert. But I've found what is causing this. On the outputs of ADAU I have connected AD1955's and they are configured as 4 times mono left and 4 times mono rihgt. I…