UC864-E Hardware User Guide
1vv0300766a Rev.1 - 31/01/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 11 of 51
NOTE: If not used, almost all pins should be left disconnected. The only exceptions are the following
pins:
Pin Signal Function
1 VBATT Main power supply
2 VBATT Main power supply
3 VBATT Main power supply
4 VBATT Main power supply
5 GND Ground
6 GND Ground
7 GND Ground
46 GND Ground
25 C103/TXD Serial data input (TXD) from DTE
26 C104/RXD Serial data output to DTE
31 C105/RTS Input for Request to send signal (RTS) from DTE
53 ON/OFF* Input command for switching power ON or OFF (toggle command).
54 RESET# Reset input
35 USB_ID Analog input used to sense whether a peripheral device is
connected, and determine the peripheral type, a host or a peripheral
48 USB_VBUS
Power supply for the internal USB transceiver. This pin is configured
as an analog input or an analog output depending upon the type of
peripheral device connected.
79 USB_D+ USB differential Data (+)
80 USB_D- USB differential Data (-)
3.1.1 UC864-E Antenna connector
The UC864-E module is equipped with a RF connector from Murata, GSC type P/N MM9329-2700B.
The counterpart suitable is Murata MXTK92 Type or MXTK88 Type.