L831-EA Module Hardware User Manual
Page 22 of 43
43
NC
NC
44
GNSS_IRQ
I
PU
PU
The switch interrupt signal of
Win8/Android system.
45
GND
GND
46
SYSCLK
O
L
L
26MHz clock output.
47
NC
NC
48
TX_BLANKING
O
L
L
GSM TDMA Timer output signal, the
GPS control signal, CMOS 1.8V
49
NC
NC
50
NC
NC
51
GND
GND
52
NC
NC
53
NC
NC
54
NC
NC
55
NC
NC
56
NC
NC
57
GND
GND
58
NC
NC
59
ANTCTL0
O
Tunable antenna control signal
GPO,CMOS 1.8V (not support yet)
60
NC
NC
61
ANTCTL1
O
L
L
Tunable antenna control signal, MIPI
RFFE SDATA, CMOS 1.8V (not
support yet)
62
NC
NC
63
ANTCTL2
O
L
L
Tunable antenna control signal, MIPI
RFFE SCLK, CMOS 1.8V (not
support yet)
64
NC
NC
65
ANTCTL3
O
Tunable antenna control signal, MIPI
RFFE VIO, CMOS 1.8V (not support
yet)
66
SIM_DETECT
I
PU
PU
SIM Detect
,
CMOS 1.8V,390K ohm