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I brought a TS 7260 for AD conversion.Now I am having trouble using it. First of all can you tell me what is the reference for AD conversion (GND). The thing is when I use the attached code and short pin 2 and pin 8 I don't see that the pin 2 is GND as the program out put does not show it. I have attached a screen shot of the output that I get from the AD code. The same output that is in the image is showen when pin 2 and pin 8 are shorted and when they are not shorted. The other thing is you have told in your hardware manual to check the user guide for CIRRUS EP9301 User guide table 20-2 to find out the configuration register but in the user guide of EP9301 there is no table 20-2. Please let me know what can I do for it. The code I used for the A/D conversion was taken from the CD you provided. The source and the wanted header files for compiling are attached to this mail. Also what should be the Jumper setting for me to use the DIO2 for AD conversion. Its should be also mentioned that I tested my cct using and oscilloscope and a signal generator and its working fine. Therefore I am sure that I am doing something wrong with the AD conversion. Screen Capture removed due to size (900K) - PJE (information below). $./adc Calibration Values = [ 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff 0xffff ] No Calibration values found... Channel 0: 0.353V Channel 1: 0.802V Channel 2: 1.664V Channel 3: 1.887V Channel 4: 1.663V Thank you Girisha
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