參數(shù)資料
型號: Q2406B
廠商: Electronic Theatre Controls, Inc.
英文描述: SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE
中文描述: 自成一體的位置的GSM / GPRS或850/1900畢帶模塊900/1800
文件頁數(shù): 45/81頁
文件大小: 922K
代理商: Q2406B
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
confidential
Page :
45 / 81
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged
without prior written agreement.
Ce document est la propriété exclusive de WAVECOM. Il ne peut être communiqué ou divulgué à
des tiers sans son autorisation préalable.
2.18
VCC output
This output can be used to power some external functions. VCC has to be used
as a digital power supply. This power supply is available when the module is
on.
Pin description
Signal
Pin number
I/O
I/O type
Description
VCC
40
O
Supply
Digital supply
Operating conditions
Parameter
Condition
Min
Max
Unit
Ouput voltage
I = 10mA
2.74
2.86
V
Output Current
10
mA
2.19
VCC_RTC (Real Time Clock Supply)
2.19.1 Interface description
This pin is used as a back-up power supply for the internal Real Time Clock.
The RTC is supported by the module when powered on but a back-up power
supply is needed to save date and hour when the module is switched off.
If the RTC is not used this pin can be left open.
Pin description
Signal
Pin number
I/O
I/O type
Description
VCC_RTC
56
I/O
Supply
RTC Back-up supply
Operating conditions
Parameter
Condition
Min
Max
Unit
Input voltage
2
2.75
V
Input Current VCC=0V;
=
25°C
VCC_RTC=2.5V
3
μA
Input Current VCC=0V; t°:-20°C / 55°C
VCC_RTC=2.5V
10
μA
Output voltage
2.4
2.75
V
Output current
2
mA
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