U)Sim Interface Circuit - Fibocom NL668-LA Hardware User Manual

5.3.2 (U)SIM interface circuit

5.3.2.1 (U)SIM card connector with card detection signal
(U)SIM circuit design requires use (U)SIM card connector, recommend chose with card detect signal that
support card hot swap function (Fibocom recommend: SIM016-8P-220P).
Figure 5- 9 (U)SIM Card Connector (SIM016-8P-220P)
SIM016-8P-220P card connector, DET and POL are short connected when the card is inserted; DET and
POL are disconnected when there is no card. The following is the reference design circuit, (U)SIM card
insert, USIM_PRESENCE pin is high level; (U)SIM card pull out, USIM_PRESENCE pin is low level.
Reproduction forbidden without Fibocom Wireless Inc. written authorization - All Rights Reserved.
FIBOCOM NL668-LA Series Hardware User Manual Page 34 of 65