Interfacing ADSP 21364 with codec AD1938

Hi,

I am trying to interface ADSP21364 with codec AD1938 through
serial port. But not able to configure AD1938 through SPI. AD1938 has
24 bit control registers and SPI of ADSP only supports 16 and 32 bit
word length is there any problem with this ?
If anyone knows the configuration of control registers of codec ADF1938
please help me

Regards Start a New Thread

cee4max wrote:

We use the AD1938 on our dspstak c192k48 boards. These boards are
supported by our Sharc based dspstak engines that use 21369 or 21262.
The SPI ports are essentially the same.

You are not constrained by 16 or 32 bit words. You should manage the SPI
port manually, not with DMA. You use 8 bit SPI transfers and lower the
SS for 3 words, 24 bit registers are common with many other data converters.

Al Clark
Danville Signal Processing, Inc.

>
> Hi,
>
> I am trying to interface ADSP21364 with codec AD1938 through
> serial port. But not able to configure AD1938 through SPI. AD1938 has
> 24 bit control registers and SPI of ADSP only supports 16 and 32 bit
> word length is there any problem with this ?
> If anyone knows the configuration of control registers of codec ADF1938
> please help me
>
> Regards
>
> Start a New Thread