參數(shù)資料
型號(hào)： Q2426E
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(yè)數(shù)： 5/81頁(yè)
文件大?。?/td> 922K
代理商： Q2426E
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
confidential
Page :
5 / 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.
2.10
General Purpose Input/Output ...............................................................25
2.11
Analog to Digital Converter....................................................................27
2.12
Audio interface......................................................................................27
2.12.1
Microphone inputs ........................................................................27
2.12.1.1
Common microphone inputs characteristics............................28
2.12.1.2
Main Microphone Inputs (MIC2)..............................................30
2.12.1.3
Auxiliary Microphone Inputs (MIC1) ........................................31
2.12.1.3.1
Differential connection .......................................................31
2.12.1.3.2
Single-ended connection....................................................32
2.12.2
Common speaker outputs characteristics ......................................33
2.12.2.1
Differential Connection.............................................................33
2.12.2.2
Single-ended Connection.........................................................33
2.12.3
Speaker outputs ............................................................................35
2.12.3.1
Speaker 2 Outputs...................................................................35
2.12.3.2
Speaker 1 Outputs...................................................................35
2.12.4
Buzzer Output ...............................................................................35
2.13
Battery charging interface .....................................................................36
2.13.1
Li-ion charging procedure..............................................................38
2.13.2
How to define R1 and C1...............................................................38
2.14
ON / ~OFF
..........................................................................................39
2.14.1
Operating sequences.....................................................................40
2.14.1.1
Power ON................................................................................40
2.14.1.2
Power OFF...............................................................................41
2.15
BOOT (optional).....................................................................................41
2.16
Reset signal (~RST)...............................................................................42
2.16.1
Reset sequence .............................................................................44
2.17
External Interrupt (~INTR) .....................................................................44
2.18
VCC output ..........................................................................................45
2.19
VCC_RTC (Real Time Clock Supply)........................................................45
2.19.1
Interface description ......................................................................45
2.19.2
Typical implementation..................................................................46
2.19.2.1
Capacitor .................................................................................46
2.19.2.2
Super Capacitor.......................................................................46
2.19.2.3
Battery cell with regulator........................................................47
2.19.2.4
Non Rechargeable battery........................................................47
2.20
RF interface ..........................................................................................48
2.20.1
RF connections..............................................................................48
2.20.2
RF performances ...........................................................................48
2.20.3
Antenna specifications ..................................................................49
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