Part Number: TLV320AIC3254EVM-K
Other Parts Discussed in Thread: TLV320AIC3254, TLV320AIC3204
I wanted to know if miniDSP present in TLV320AIC3254 IC is programmed when we receive the product from TI or do we need to program the miniDSP again. I wanted to know this because when I try to route inputs in TLV320AIC3204_54_RHB_EVM to line outputs, I am unable route it through ADC & DACs(digital routing).
Hi,
The portable audio version of PPS should have the AIC3254 framework already installed. When you open up PPS, go to Frameworks and then you should see "AIC3254", like this:
However, if you just want to do a bypass from IN1L to LOL, the AIC3254 has an analog bypass mode through the mixer amplifiers where you can do this without any miniDSP/PPS, just register writes. The path would look like this:
I would recommend this way over using PPS if you are just trying to do an analog bypass. If you wanted to do more complicated internal routing or extra processing, then you can use PPS.
Let me know which you prefer and I can help more with specific scripts.
Best,
Mir
Hi,
I see. Unfortunately we need to use PPS to generate the code that programs the miniDSP. However once that code exists, you can run it like any other I2C command.
What is your current I2C script? We need it to include in PPS. I can help you with creating the file but I would need all input/output settings. You put the I2C commands you are already using for routing and such in the SystemSettingsCode part of PPS. The input/output config in the GUI would look like this for a generic analog input to a generic analog output, then in the SystemSettingsCode part, we set which input and output it uses:
Again, what settings do you need for ADC/DAC with miniDSP that do not work with analog bypass mode? If you just wanted to route ADC to DAC without using miniDSP, you can also use a jumper between DOUT and DIN, doing a physical digital bypass.
Best,
Mir
