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I have just found (I think) a problem with the TMS320AIC23 codec. If I select the Digital high pass filter (set the control bit to a 1) I am seeing an offset of about -1000 from the codec. If I set this to a 0 it centers itself on 0. This is backwards from what the datasheet reads. Brian ----------------- Brian C. Lane (KC7TYU) Programmer www.shinemicro.com RF, DSP & Microcontroller Design |
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tlv320aic23 Digital High Pass Filter Problem
Started by ●February 18, 2002
Reply by ●February 20, 20022002-02-20
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On Mon, 18 Feb 2002 11:03:43 -0800, you wrote: >I have just found (I think) a problem with the TMS320AIC23 codec. If I >select the Digital high pass filter (set the control bit to a 1) I am >seeing an offset of about -1000 from the codec. If I set this to a 0 >it centers itself on 0. This is backwards from what the datasheet >reads. And to reply to myself, yes this is a difference from the datasheet. I heard back from a TI tech and he confirmed this. Sure would be nice if they would update their documentation more frequently. Brian ----------------- Brian C. Lane (KC7TYU) Programmer www.shinemicro.com RF, DSP & Microcontroller Design |
