Hey
I just build a nice audio codec using the AIC3254 chip.
Built mostly to specs and EVM
About the EVM, I was very excited to see that reference circuit and to know I would be able to quickly build and play. But one of the main components, USB bridge from TI - TAS1020B - was obsolete.
So with no choice I had to rely on some other external solution, a MCU with I2S support from Microchip to make it work.
The codec have been designed with utmost reference to the EVM, only issue is its interfacing with that MCU.
I have also not included any external EEPROM hoping the 32KB memory would be sufficient for the necessary programs which I plan to integrate - Bass-boost, stereo equalization and obviously the interface program.
Can you please have a quick look at these Eagle files?
I have attached the schematic and board files.
Thanks :)
PS -
Some list of support files referenced
1.
2.
3.
4.
5. http://www.ti.com/lit/ds/symlink/tlv320aic3254.pdf