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Loading ADCON0 In 18f46k22 Problem

sivanantham siva@falconsqr.com India

Hardware: Pic18f46k22 Using Internal Oscillator 8Mhz Software: C Project Using MPLAB, Hitech C Compiler

im using pic18f46k22 to read 8 + 9 totally 17 analog channels, for configuring the adc channel upto 16 channels no problem. when i load channel 17 in ADCON0, ADCON0.6 (7th bit) is not enabled its always 0. when i move 0b01000000 to ADCON0 result is 0b00000000. any other settings are there to make this bit enable. pls help me. i have searched the datasheet but i can't able to find.

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