LTE-A Module Series
EM12-G Hardware Design
EM12-G_Hardware_Design 21 / 62
51
GND
GND
Ground
52
CLKREQ#
PCIE_CLKREQ_
N
IO
PCIE clock request.
Active low.
3.3V power
domain
53
REFCLKn
PCIE_REFCLK-
AI
PCIE reference clock(-)
54
PEWAKE#
PCIE_WAKE_N
IO
PCIE wake on host.
Active low.
3.3V power
domain
55
REFCLKp
PCIE
AI
PCIE reference clock(+)
56
N/C
I2C_DATA
IO
I2C serial data.
Used for external codec.
57
GND
GND
Ground
58
N/C
I2C_CLK
DO
I2C serial clock.
Used for external codec.
59
ANTCTL0
ANTCTL0*
DO Tunable antenna control.
1.8V power
domain
60
COEX3
RESERVED
Reserved
61
ANTCTL1
ANTCTL1*
DO Tunable antenna control.
1.8V power
domain
62
COEX2
RESERVED
Reserved
63
ANTCTL2
ANTCTL2*
DO Tunable antenna control.
1.8V power
domain
64
COEX1
RESERVED
Reserved
65
ANTCTL3
ANTCTL3*
DO Tunable antenna control.
1.8V power
domain
66
SIM_DETECT
USIM1_DET
DI
(U)SIM1 card insertion detection
Pulled up
internally
67
RESET#
RESET#
DI
System reset. Active low.
68
SUSCLK (32kHz)
NC
NC
69
CONFIG_1
CONFIG_1
Connected to GND internally.
EM12-G is configured as
WWAN-USB 3.0.
70
3.3V
VCC
PI
Power supply
Vmin=3.135V
Vnorm=3.7V
Vmax=4.4V
71
GND
GND
Ground
72
3.3V
VCC
PI
Power supply
Vmin=3.135V
Vnorm=3.7V
Vmax=4.4V