Also remember to protect the SIM detect pin with a standalone ESD protection device. You would not want the SIM detect signal leaking voltage to an unpowered UIM_VCC.
This recommended circuit is corrected in the latest WP75xx PTS
Also remember to protect the SIM detect pin with a standalone ESD protection device. You would not want the SIM detect signal leaking voltage to an unpowered UIM_VCC.
This recommended circuit is corrected in the latest WP75xx PTS