LTE Module Series
M.2 EVB User Guide
M.2_EVB_User_Guide 18 / 37
Figure 9: Connection between the Module and EVB
4.3.
USB Interface (J701)
The USB interface of EM05 complies with USB 2.0 specification, and that of EM06 complies with USB 2.0
and USB 3.0 specifications. USB 3.0 supports super speed (5Gbps) mode, and USB 2.0 supports high
speed (480 Mbps) and full speed (12 Mbps) modes.
The USB interface is used for AT command
communication, data transmission, GNSS NMEA output, software debugging, firmware upgrade and voice
over USB*
1)
.
The M.2 EVB provides a USB Type-C interface J701 for connection with a host device. The USB data lines
D+ and D- are connected directly to the EM06 module. The CC1 and CC2 lines can be used for Type-C
configuration channel signals. The VBUS lines can be used for USB connection detection and EVB power
supply.
Table 4: Pin Assignment of J701
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
GND
TX1+
TX1-
VBUS CC1
D+
D-
SBU1
VBUS RX2-
RX2+
GND
GND
RX1+
RX1-
VBUS SBU2
D-
D+
CC2
VBUS TX2-
TX2+
GND
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1