User's Manual
CL865-DUAL Hardware User Guide
1vv0301104 Rev.1 – 2014-03-07
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. CL865 module connections
4.1. PIN-OUT
Pad
Signal
I/O
Function
Note
Type
USB
18
USB_D+
I/O
USB differential Data (+)
17
USB_D-
I/O
USB differential Data (-)
16
USB_VBUS
AI
Power for the internal USB transceiver.
5V
RUIM card interface
9
RUIMVCC
-
Reserved but applicable only to RUIM variant :
Power supply for the RUIM
1,8 / 3V
10
RUIMRST
O
Reserved but applicable only to RUIM variant :
RUIM Reset
1,8 / 3V
11
RUIMCLK
O
Reserved but applicable only to RUIM variant :
RUIM Clock
1,8 / 3V
12
RUIMIO
I/O
Reserved but applicable only to RUIM variant :
RUIM Data I/O
1,8 / 3V
X
All GPI0
can be
program
med
RUIMIN
I
Reserved but applicable only to RUIM variant :
RUIM IN
CMOS 1.8V
Auxiliary UART
44
RXD_AUX
I
Auxiliary UART (RX Data from DTE)
CMOS 1.8V
45
TXD_AUX
O
Auxiliary UART (TX Data to DTE)
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
A/D
14
ADC_IN2
AI
Analog/Digital converter input
A/D
15
DAC_OUT
AO
Digital/Analog converter output
D/A
Miscellaneous Functions
30
VRTC
I
RTC power
Power
47
RESET*
I
Hardware Unconditional Shutdown
Pull up to VBATT
43
V_AUX / PWRMON
O
1.8V stabilized output Imax=100mA
/ Power ON monitor
Power Out 1.8V
34
Antenna
I/O
Antenna pad – 50 Ω
RF