Product Info

LTE Standard Module Series
EM05-G Hardware Design
EM05-G_Hardware_Design 47 / 69
4.5. Cellular/WLAN COEX Interface*
EM05-G provides a cellular/WLAN COEX interface, the following table shows the pin definition of this
interface.
Table 19: Pin Definition of COEX Interface
4.6. Antenna Tuner Control Interface*
The module provides ANTCTL[0:3] and RFFE pins used for antenna tuner control, which should be
routed to an appropriate antenna control circuit. More details about the interface will be added in the
future version of this document.
Table 20: Pin Definition of Antenna Tuner Control Interface
Pin No.
Pin Name
I/O
Description
DC Characteristic
60
WLAN_PA_EN*
DI
Notification from WLAN to SDR while
transmitting
1.8 V
62
COEX_RXD*
DI, PD
LTE/WLAN coexistence receive
1.8 V
64
COEX_TXD*
DO, PD
LTE/WLAN coexistence transmit
1.8 V
Pin No.
Pin Name
I/O
Description
DC Characteristic
56
RFFE_CLK
1)
DO, PD
Used for external MIPI IC
control
1.8 V
58
RFFE_DATA
1)
DO, PD
1.8 V
24
VDD_IO
PO
Antenna tuner supply power.
1.8 V
59
ANTCTL0*
DO, PD
Antenna Control
1.8 V
61
ANTCTL1*
DO, PD
1.8 V
63
ANTCTL2*
DO, PD
1.8 V
65
ANTCTL3*
DO, PD
1.8 V