參數(shù)資料
型號: Q2426D
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): 44/81頁
文件大?。?/td> 922K
代理商: Q2426D
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
confidential
Page :
44 / 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.
2.16.1 Reset sequence
To activate the emergency reset sequence, the ~RST signal has to be set to
low for 500
μ
s minimum. As soon as the reset is complete, the AT interface
answers OK to the application
4
.
RESET mode
I
BB+RF
=20 to
40mA
EXTERNAL RST
STATE OF THE MODULE
Module READY
Min:500
μ
s
Typ:2ms
AT answers “OK”
Module READY
SIM and network dependent
Module ON
I
<120mA
without loc update
Figure 14 : Reset sequence
2.17
External Interrupt (~INTR)
The WISMO Quik Q24x6 Series provides an external interrupt input (not
managed in the standard AT commands firmware). This input is very sensitive
and an interrupt is activated on high to low edge. If this signal is not used it
can be left open. If used this input has to be driven by an open collector or an
open drain.
This input is used for instance to power OFF automatically the module.
Pin description
Signal
Pin number
I/O
I/O type
Description
~INTR
16
I
CMOS
External Interrupt
Electrical characteristics
Parameter
Min
Max
Unit
V
IL
-0.5V
0.7V
Volt
V
IH
2.2V
3.0V
Volt
4
For this, the application has to send AT
. If the application manages hardware flow control, the
AT command can be sent during the initialisation phase. Another solution is to use the +WIND
command to get an unsollicited status from the module.
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