Hardware Guide

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FIBOCOM MC116-NA Series Hardware Guide Page 16 of 63
Pin Num
Pin Name I/O Level Description
V
OH
min=2.55V
17 USIM_RST O
For 1.8V (U)SIM:
V
OL
max=0.45V
VOHmin=1.35V
For 3.0V (U)SIM:
V
OL
max=0.45V
V
OH
min=2.55V
(U)SIM reset signal
18 NC - - NC
19 GND G - Ground
20 RESET_N I
V
IH
max=2.1V
V
IH
min=1.3V
V
IL
max=0.5V
Module reset signal, active low, no need
pull up externally
21 PWRKEY I
V
IH
max=2.1V
V
IH
min=1.3V
V
IL
max=0.5V
Module power on/off signal, active low, no
need pull up externally. Because the
internal diode drops. The voltage of the pin
is 0.8V after powering the module.
22 GND G - Ground
23 SD_INS_DET I - Reserved
24 PCM_IN I
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
PCM input signal
25 PCM_OUT O
V
OL
max=0.45V
V
OH
min=1.35V
PCM output signal
26 PCM_SYNC IO
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
VIHmax=2.0V
PCM synchronization signal
27 PCM_CLK IO
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
PCM clock signal
28 SDC2_DATA3 IO - Reserved