User's Manual
UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 14 of 70
Mod. 0805 2011-07 Rev.2
4. UL865-N3G V2 module connections
4.1. PIN-OUT
Pad Signal I/O
Function Note Type
Audio
18
USB_D+ I/O USB differential Data (+)
17
USB_D- I/O USB differential Data (-)
16
USB_VBUS AI Power sense for the internal USB transceiver.
SIM card interface
9
SIMVCC - External SIM signal – Power supply for the SIM 1,8 / 3V
10
SIMRST O External SIM signal – Reset 1,8 / 3V
11
SIMCLK O External SIM signal – Clock 1,8 / 3V
12
SIMIO I/O External SIM signal – Data I/O 4.7k Pull up
1,8 / 3V
X
All GPI0
can be
program
med
SIMIN I Presence SIM input CMOS 1.8V
Auxiliary
44
RXD_AUX
/SPI_MISO
I
O
Auxiliary UART (RX Data)
SPI_MISO
CMOS 1.8V
45
TXD_AUX /
SPI_MOSI
O
I
Auxiliary UART (TX Data)
SPI_MOSI
CMOS 1.8V
Prog. / Data + HW Flow Control
1
C109/DCD/GPO O
Output for Data carrier detect signal (DCD) to DTE
/ GP output
CMOS 1.8V
2
C125/RING/GPO O
Output for Ring indicator signal (RI) to DTE
/ GP output
CMOS 1.8V
3
C107/DSR/GPO O
Output for Data set ready signal (DSR) to DTE
/ GP output
CMOS 1.8V
4
C108/DTR/GPI I
Input for Data terminal ready signal (DTR) from DTE
/ GP input
CMOS 1.8V
5
C105/RTS/GPI I
Input for Request to send signal (RTS) from DTE
/ GP input
CMOS 1.8V
6
C106/CTS/GPO O
Output for Clear to send signal (CTS) to DTE
/ GP output
CMOS 1.8V
7
C103/TXD I Serial data input (TXD) from DTE CMOS 1.8V
8
C104/RXD O Serial data output to DTE CMOS 1.8V
DAC and ADC
13
ADC_IN1 AI Analog/Digital converter input
Accepted
values 0 to
1.2V DC
A/D
14
ADC_IN2 AI Analog/Digital converter input
Accepted
values 0 to
1.2V DC
A/D
15
DAC_OUT AO
Digital/Analog converter output D/A
Miscellaneous Functions
30
VRTC AO
backup for the embedded RTC supply (1.8V) Power
47
RESET* I Reset Input CMOS 1.8V
43
V_AUX / PWRMON O
1.8V stabilized output Imax=100mA
/ Power ON monitor
Power Out 1.8V