U)Sim Card Interface; U)Sim Pin Definition - Fibocom NL668-LA Hardware User Manual

Mode Module Network indicator pin status
4 Low
5 High
NL668-LA series module network indicates light reference design circuits shown as follows:

5.3 (U)SIM card interface

NL668-LA series module has built-in (U)SIM card interface, and supports 1.8V and 3.0V (U)SIM card.

5.3.1 (U)SIM pin definition

(U)SIM pin definition is shown in the following table:
Pin name
USIM_PRESENCE
USIM_VDD
USIM_DATA
USIM_CLK
USIM_RESET
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FIBOCOM NL668-LA Series Hardware User Manual
Table 5- 5 Network Indicate Light Work Status
Figure 5- 8 Network Indicate Light Reference Circuits
I/O
I
PO
IO
O
O
Table 5- 6 (U)SIM Card Pin
Indicator light flash/off
status
75ms on/75ms off
Off
on
Pin Num Description
13 Detect (U)SIM card for Hot-swap
14 (U)SIM Power
15 (U)SIM DATA
16 Clock Signal
17 Reset Signal
Description
Voice call
Sleep
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