Telit Communications S.p.A. GC864Q2 ユーザーズマニュアル

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GC864 Hardware User Guide 
1vv0300874 Rev.0 – 2010-01-25 
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved. 
 
Page 59 of 64 
 
12.1.1.
 
Debug of the GC864-QUAD V2 / GC864-DUAL V2 in Production 
To test and debug the mounting of the GC864, we strongly recommend to foreseen 
test pads on the host PCB, in order to check the connection between the GC864-
QUAD V2 / GC864-DUAL V2 itself and the application and to test the performance of 
the module connecting it with an external computer. Depending by the customer 
application, these pads include, but are not limited to the following signals: 
 
Pin 
Signal 
I/O Function 
Internal 
Pull up 
Type 
ADC Converters 
5,6,7, 
46 
GND 
Ground 
 
Ground 
1,2,3,4  VBATT 
Main power supply 
 
Power 
25 
C103/TXD 
Serial data input (TXD) from DTE 
 
CMOS 2.8V 
26 
C104/RXD 
Serial data output (RXD) to DTE 
 
CMOS 2.8V 
53 
ON/OFF* 
Input command for switching power ON or 
OFF (toggle command). The pulse to be sent 
to the GC864-QUAD V2 / GC864-DUAL V2 must 
be equal or greater than 1 second. 
47K
Ω 
Pull up to 
VBATT 
54 
RESET* 
Reset input 
 
 
49 
PWRMON 
Power ON Monitor 
 
CMOS 2.8V 
23 
RX_TRACE 
RX Data for debug monitor 
 
CMOS 2.8V 
24 
TX_TRACE 
TX Data for debug monitor 
 
CMOS 2.8V 
47 
SERVICE 
SERVICE connection  
 
CMOS 2.8V