Hi i am using anolog device aduc812 microcontroller i tryed to accesses buit in adc with out giving input i am getting output 0xFFF i.e maximum value in all channel except channel 8 ie temp sensor.taht gives some value ie 423 what is the problem please help me
The datasheet will know. But shy do you think about BCD? A 12-bit unipolar ADC as a binary range of 0x000 to 0xfff, and you claimed that you read 0xfff.