Other Parts Discussed in Thread: AM3357
Hi expert,
I have a question about ADC which is inside the Touch Screen Controller of AM3357.
The question is about AMUX setting when using ADC as general purpose.
We use external reference voltage for ADC(single end).
VREFP = 1.8V
VREFN = 0V
Q1.In this case, can I set the SEL_INP_SWC, SEL_INM_SWC of STEPCONFIGx as follow ?
SEL_INP_SWC : set the appropriate AN channel which I use
SEL_INM_SWC : set VREFN(because we use ADC as single end)
SEL_RFM_SWC : set VREFN
SEL_RFP_SWC : set VREFP
Q2.What value should I set to the Diff_CNTRL of STEPCONFIGx for single end?
I guess '0' is the value for single end but let me ask to make me sure.
best regards,
g.f.
