I have searched the reference manual but cannot find the input impedance of the ADC pins. Where in this document is the pad information available?
Refer to the AN3971 "MPC567xF/MPC5676R Hardware Requirements/Example Circuits". See both the eQADC overview section and Appendix B "MPC567xF/MPC5676R ADC Input Model".http://cache.freescale.com/files/microcontrollers/doc/app_note/AN3971.pdf
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