The reference schematic for LED indicator,
R3 must be calculated taking in account VBATT value and LED type. :
External SIM Holder
Please refer to the related User Guide (SIM Holder Design Guides, 80000NT10001a).
ADC Converter
The ME910G1 is provided by one AD converter. It is able to read a voltage level in the
range of 0÷1.8 volts applied on the ADC pin input, store and convert it into 10 bit word.
The input line is named as ADC_IN1 and it is available on Pad B1
The following table is showing the ADC characteristics: