User's Manual
GE864
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-DUAL V2 Hardware User Guide
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DUAL V2 Hardware User Guide
1vv0300875 Rev.1 – 2010-03-29
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved. Page 56 of 73
11.7.4. Working Current Influence
In the component data sheet you will find the value of MAX CURRENT that represents
the maximum average current that can flow at nominal voltage without current
limitation.
In other words it is not the peak current, which could be twice or three times higher.
If driving circuitry does not support these peak values, the SPL will never reach the
declared level or the oscillations will stop.
11.8. Using the Temperature Monitor Function
11.8.1. Short Description
The Temperature Monitor is a function of the module that permits to control its
internal temperature and if properly set (see the #TEMPMON command on AT
Interface guide) it raise to High Logic level a GPIO when the maximum temperature
is reached.
11.8.2. Allowed GPIO
The AT#TEMPMON set command could be used with one of the following GPIO:
Signal
SignalSignal
Signal
Function
FunctionFunction
Function
Type
TypeType
Type
Input /
Input / Input /
Input /
output
output output
output
current
currentcurrent
current
Note
NoteNote
Note
TGPIO_01 GPIO01 Configurable GPIO CMOS 2.8V 1µA / 1mA
TGPIO_03 GPIO03 Configurable GPIO CMOS 2.8V 1µA / 1mA
TGPIO_08 GPIO08 Configurable GPIO CMOS 2.8V 1µA / 1mA
TGPIO_09 GPIO09 Configurable GPIO CMOS 2.8V 1µA / 1mA
TGPIO_10 GPIO10 Configurable GPIO CMOS 2.8V 1µA / 1mA
The set command could be used also with one of the following GPIO but in that case
the alternate function is not usable:
Signal
SignalSignal
Signal
Function
FunctionFunction
Function
Type
TypeType
Type
Input /
Input / Input /
Input /
output
output output
output
current
currentcurrent
current
Note
NoteNote
Note
TGPIO_02 GPIO02 Configurable GPIO CMOS 2.8V 1µA / 1mA Alternate function (JDR)
TGPIO_04 GPIO04 Configurable GPIO CMOS 2.8V 1µA / 1mA
Alternate function (RF
Transmission Control)
TGPIO_05 GPIO05 Configurable GPIO CMOS 2.8V 1µA / 1mA Alternate function (RFTXMON)
TGPIO_07 GPIO07 Configurable GPIO CMOS 2.8V 1µA / 1mA Alternate function (BUZZER)