User's Manual
UE910 3G HARDWARE USER GUIDE 1vv0301171 Rev.3 • 2015-04-17 12 of 78
Reproduction forbidden without Telit Communications PLC written authorization – All Rights Reserved
3 PINS ALLOCATION
3.1 Pin-out
Pin
Signal
I/O
Function
Type
Comment
USB HS 2.0 COMMUNICATION PORT
B15
USB_D+
I/O
USB differential Data (+)
-
C15
USB_D-
I/O
USB differential Data (-)
-
A13
VUSB
I
Power sense for the
internal USB transceiver.
-
Asynchronous Serial Port (USIF0) - Prog. / Data + HW Flow Control
N15
C103/TXD
I
Serial data input from DTE
CMOS 1.8V
M15
C104/RXD
O
Serial data output to DTE
CMOS 1.8V
M14
C108/DTR
I
Input for (DTR) from DTE
CMOS 1.8V
L14
C105/RTS
I
Input for Request to send
signal (RTS) from DTE
CMOS 1.8V
P15
C106/CTS
O
Output for Clear to Send
signal (CTS) to DTE
CMOS 1.8V
N14
C109/DCD
O
Output for (DCD) to DTE
CMOS 1.8V
P14
C107/DSR
O
Output for (DSR) to DTE
CMOS 1.8V
R14
C125/RING
O
Output for Ring (RI) to
DTE
CMOS 1.8V
Asynchronous Auxiliary Serial Port (USIF1)
D15
TX_AUX
O
Auxiliary UART (TX Data
to DTE)
CMOS 1.8V
E15
RX_AUX
I
Auxiliary UART (RX Data
from DTE)
CMOS 1.8V
USB HSIC
A12
HSIC_USB_DATA
I/O
USB HSIC data signal
CMOS 1.2V
A11
HSIC_USB_STRB
I/O
USB HSIC strobe signal
CMOS 1.2V
H15
HSIC_SLAVE_WAKEUP
I
Slave Wake Up
CMOS 1.8V
Shared with SPI_MRDY
F15
HSIC_HOST_WAKEUP
O
Host Wake Up
CMOS 1.8V
Shared with SPI CLK
K15
HSIC_SUSPEND_REQUEST
O
Slave Suspend Request
CMOS 1.8V
Shared with GPIO08
J15
HSIC_HOST_ACTIVE
I
Active Host Indication
CMOS 1.8V
Shared with SPI_SRDY
SIM card interface