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TDM do not work on 21489 ez-kit

Question asked by alan on Aug 19, 2012
Latest reply on Aug 20, 2012 by alan

Hi all,

I configure SPORT1 as input while SPORT0 as output in my TDM project (the attached code). When I set "*pSP0CS0 = 0x000000F;"(located at the line 312 in AudioDriver.c), the bit clock and frame clock is disappear, so no interrupts into dsp(we can see from linear profiling).But when I set "*pSP0CS0 = 0x0000000;", all is normal.

So I guess that SPORT1 and SPORT0 can't be used together in TDM mode? But the example "21489 AD1939 C Block-Based Talkthru 48 or 96 kHz" could use SPORT1 and SPORT0 together in TDM mode.

Please give me help.

TKS

Alan


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