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FIBOCOM NL668-EAU-MiniPCIe-10 Hardware User Manual
Page 16 of 56
Pin Pin Name
I/O
Level
Description
4
GND
G
Ground
5
SPK_P
O
Reserved
6
NC
-
-
NC
7
SPK_N
O
-
Reserved
8
USIM_VDD
PO
For 1.8V USIM:
Vmax=1.9V
Vmin=1.7V
For 3.0V USIM:
Vmax=3.05V
Vmin=2.7V
IOmax=50mA
(U)SIM power
9
GND
G
-
Ground
10
USIM_DATA
IO
For 1.8V (U)SIM:
VILmax=0.6V
VIHmin=1.2V
VOLmax=0.45V
VOHmin=1.35V
For3.0V (U)SIM:
VILmax=1.0V
VIHmin=1.95V
VOLmax=0.45V
VOHmin=2.55V
(U)SIM data signal
11
VDD_EXT
PO
1.8V
Module digital level, 1.8V output,
80mA
12
USIM_CLK
O
For 1.8V (U)SIM:
VOLmax=0.45V
VOHmin=1.35V
For3.0V (U)SIM:
VOLmax=0.45V
VOHmin=2.55V
(U)SIM clock signal
13
NC
-
-
NC
14
USIM_RST
O
For 1.8V (U)SIM:
VOLmax=0.45V
VOHmin=1.35V
For 3.0V (U)SIM:
VOLmax=0.45V
VOHmin=2.55V
(U)SIM reset signal
15
GND
G
-
Ground
16
NC
-
-
NC
17
NC
-
-
NC
18
GND
G
-
Ground
19
WAKEUP_IN
I
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
External device wakeup module
