User's Manual

CE910-DUAL Hardware User Guide
1vv0301010 Rev .0 – 2012-07-10
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 14 of 63
3. CE910-DUAL Module Connections
3.1. Pin-Out
Pin Signal I/O Function Internal
Pull up
Type
USB HS 2.0 Communication Port
B15
USB_D+ I/O USB differential Data(+)
C15
USB_D- I/O USB differential Data(+)
A13
VBUS I Power sense for the internal USB transceiver 5V
Asynchronous UART – Prog. / data +HW Flow Control
N15
C103/TXD I Serial data input from DTE 1.8V
M15
C104/RXD O Serial data output to DTE 1.8V
M14
C108/DTR I
Input for Data terminal ready signal (DTR) from
DTE
1.8V
L14
C105/RTS I Input for Request to send signal (RTS) from DTE 1.8V
P15
C106/CTS O Output for Clear to send signal (CTS) to DTE 1.8V
N14
C109/DCD O Output for Data carrier detect signal (DCD) to DTE 1.8V
P14
C107/DSR O Output for Data set ready signal (DSR) to DTE 1.8V
R14
C125/RING O Output for Ring indicator signal (RI) to DTE 1.8V
Asynchronous Auxiliary UART(Reserved)
D15
Reserved - Reserved
E15
Reserved - Reserved
RUIM Card Interface(Reserved)
A3
Reserved - Reserved
A4
Reserved - Reserved
A5
Reserved - Reserved
A6
Reserved - Reserved
A7
Reserved - Reserved
Digital Voice interface (Reserved)
B9
Reserved - Reserved
B6
Reserved - Reserved
B7
Reserved - Reserved
B8
Reserved - Reserved
Analog Voice Interface
B2
EAR+ AO Earphone signal output, phase + 1.8V
B3
EAR- AO Earphone signal output, phase - 1.8V
B4
MIC+ AI Microphone input, phase + 1.8V
B5
MIC- AI Microphone input, phase - 1.8V
SPI (Reserved)
D15
Reserved - Reserved
E15
Reserved - Reserved
F15
Reserved - Reserved
H14
Reserved - Reserved
Digital IO