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How to read ADC Vrefh with bean

Question asked by James Armstrong on Dec 3, 2007
Latest reply on Dec 4, 2007 by Processor Expert
I am using CW 6.1 with the 08QG16 processor. I wanted to use the internal temperature sensor but when I went to configure the ADC bean I only get the IntTemp, IntBandgap but no Vrefh ADCH 11101 channel. I wanted to read the internal vrefh / vdd to have the most accurate readings. The bean does not seem to know about or allow this channel (bean v.141). I can look at the generated code and see where there is a Channels structure with the ADC channel numbers but cannot modify it directly since it is a read only bean. Has anyone else ever read the internal voltage referece / vdd ADC channel?

Thanks,
James

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