topic Re: Problem with Analog Digital Converter HC908GZ32 in 8-bit Microcontrollers https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-Analog-Digital-Converter-HC908GZ32/m-p/198844#M16111 <HTML><HEAD></HEAD><BODY><DIV>Hello Monxi,</DIV><DIV>&nbsp;</DIV><DIV>Can I see your code just in case if you have not solved it? How did you initialize the ADC control registers?</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>Regards,</DIV><DIV>Denn</DIV></BODY></HTML> Thu, 13 Mar 2008 22:06:38 GMT Denn 2008-03-13T22:06:38Z Problem with Analog Digital Converter HC908GZ32 https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-Analog-Digital-Converter-HC908GZ32/m-p/198842#M16109 <HTML><HEAD></HEAD><BODY><SPAN>hello..</SPAN><BR /><SPAN>i have the hc908gz32 and want to convert some analog inputs!</SPAN><BR /><SPAN>i can read out it correctly.. i use no interrupts, only 1 conversion mode and the 8-Bit trunction mode..</SPAN><BR /><SPAN>if i only read 1 channel.. there is no problem.. but when i change the channel it doesnt work anymore?!</SPAN><BR /><SPAN>what can i do wrong at this point?</SPAN><BR /><SPAN>i only change the my variable.. ADSCR = channel;</SPAN><BR /><SPAN>this happens every second.. if i doesnt change "channel" there is no problem..</SPAN><BR /><SPAN>but when i change it, the ADRL is everytime like F7 - FF..</SPAN><BR /><BR /><SPAN>what must i do, to change the channel?</SPAN><BR /><SPAN>i tried to shut down the AD-Converter before changing.. but no effect..</SPAN><BR /><BR /><SPAN>sorry for my bad english..</SPAN><BR /><SPAN>hope anyone can help me.. thanks!</SPAN><BR /><DIV> </DIV></BODY></HTML> Mon, 03 Mar 2008 21:42:37 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-Analog-Digital-Converter-HC908GZ32/m-p/198842#M16109 monXii 2008-03-03T21:42:37Z Re: Problem with Analog Digital Converter HC908GZ32 https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-Analog-Digital-Converter-HC908GZ32/m-p/198843#M16110 <HTML><HEAD></HEAD><BODY>i am using the Port A 2-7<BR /><DIV></DIV></BODY></HTML> Mon, 03 Mar 2008 22:06:26 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-Analog-Digital-Converter-HC908GZ32/m-p/198843#M16110 monXii 2008-03-03T22:06:26Z Re: Problem with Analog Digital Converter HC908GZ32 https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-Analog-Digital-Converter-HC908GZ32/m-p/198844#M16111 <HTML><HEAD></HEAD><BODY><DIV>Hello Monxi,</DIV><DIV>&nbsp;</DIV><DIV>Can I see your code just in case if you have not solved it? How did you initialize the ADC control registers?</DIV><DIV>&nbsp;</DIV><DIV>&nbsp;</DIV><DIV>Regards,</DIV><DIV>Denn</DIV></BODY></HTML> Thu, 13 Mar 2008 22:06:38 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/Problem-with-Analog-Digital-Converter-HC908GZ32/m-p/198844#M16111 Denn 2008-03-13T22:06:38Z