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Cinterion EGS5 manual available for free PDF download: Hardware Interface Description
Cinterion EGS5 Hardware Interface Description (123 pages)
Brand:
Cinterion
| Category:
Control Unit
| Size: 2 MB
Table of Contents
Table of Contents
3
Document History
9
1 Introduction
10
Related Documents
10
Terms and Abbreviations
10
Regulatory and Type Approval Information
14
Directives and Standards
14
Table 1: Directives
14
Table 2: Standards of North American Type Approval
14
Table 3: Standards of European Type Approval
14
Table 4: Requirements of Quality
15
Table 5: Standards of the Ministry of Information Industry of the
15
Table 6: Toxic or Hazardous Substances or Elements with Defined Concentration Limits
16
SAR Requirements Specific to Portable Mobiles
17
SELV Requirements
17
Safety Precautions
18
2 Product Concept
19
Key Features at a Glance
19
EGS5 System Overview
22
Figure 1: EGS5 System Overview
22
Circuit Concept
23
Figure 2: EGS5 Block Diagram
23
3 Application Interface
24
Operating Modes
25
Table 7: Overview of Operating Modes
25
Power Supply
26
Minimizing Power Losses
26
Figure 3: Power Supply Limits During Transmit Burst
26
Measuring the Supply Voltage VBATT
27
Monitoring Power Supply by at Command
27
Figure 4: Position of the Reference Points BATT+ and GND
27
Power up / Power down Scenarios
28
Turn on EGS5
28
Turn on EGS5 Using Ignition Line IGT
29
Figure 5: Power-On with Operating Voltage at BATT+ Applied before Activating IGT
30
Figure 6: Power-On with IGT Held Low before Switching on Operating Voltage at BATT
31
Configuring the IGT Line for Use as ON/OFF Switch
32
Turn on EGS5 Using the VCHARGE Signal
32
Figure 7: Timing of IGT if Used as ON/OFF Switch
32
Reset EGS5 Via AT+CFUN Command
33
Reset or Turn off EGS5 in Case of Emergency
33
Using EMERG_OFF Signal to Reset Application(S) or
33
External Device(S)
33
Signal States after Startup
34
Table 8: Signal States
34
Turn off EGS5
36
Turn off EGS5 Using at Command
36
Turn On/Off EGS5 Applications with Integrated USB
37
Figure 8: Signal States During Turn-Off Procedure
37
Automatic Shutdown
38
Thermal Shutdown
38
Deferred Shutdown at Extreme Temperature Conditions
39
Table 9: Temperature Dependent Behavior
39
Undervoltage Shutdown
40
Overvoltage Shutdown
40
Automatic GPRS Multislot Class Change
41
Charging Control
42
Hardware Requirements
42
Software Requirements
42
Battery Pack Requirements
43
Figure 9: Battery Pack Circuit Diagram
43
Charger Requirements
44
Table 10: Specifications of Battery Packs Suitable for Use with EGS5
44
Implemented Charging Technique
45
Operating Modes During Charging
46
Table 11: at Commands Available in Charge-Only Mode
46
Table 12: Comparison Charge-Only and Charge Mode
47
Power Saving
48
Network Dependency of SLEEP Modes
48
Figure 10: Power Saving and Paging
48
Timing of the Ctsx Signal in CYCLIC SLEEP Mode 7
49
Timing of the Rtsx Signal in CYCLIC SLEEP Mode 9
49
Figure 11: Timing of Ctsx Signal (if CFUN= 7)
49
Figure 12: Timing of Rtsx Signal (if CFUN = 9)
49
Summary of State Transitions (Except SLEEP Mode)
50
Table 13: State Transitions of EGS5 (Except SLEEP Mode)
50
RTC Backup
51
Figure 13: RTC Supply from Capacitor
51
Figure 14: RTC Supply from Rechargeable Battery
51
Figure 15: RTC Supply from Non-Chargeable Battery
51
SIM Interface
52
Table 14: Signals of the SIM Interface (SMT Application Interface)
52
Serial Interface ASC0
53
Figure 16: Serial Interface ASC0
53
Table 15: DCE-DTE Wiring of ASC0
54
Serial Interface ASC1
55
Table 16: DCE-DTE Wiring of ASC1
55
Figure 17: Serial Interface ASC1
55
USB Interface
56
Figure 18: USB Circuit
56
I 2 C Interface
57
Figure 19: I 2 C Interface Connected to VCC of Application
57
Figure 20: I 2 C Interface Connected to VEXT Line of EGS5
57
SPI Interface
58
Figure 21: SPI Interface
58
Figure 22: Characteristics of SPI Modes
59
Audio Interfaces
60
Figure 23: Audio Block Diagram
60
Microphone Circuit
61
Single-Ended Microphone Input
62
Figure 24: Single Ended Microphone Input
62
Differential Microphone Input
63
Figure 25: Differential Microphone Input
63
Line Input Configuration with Opamp
64
Figure 26: Line Input Configuration with Opamp
64
Speech Processing
61
Figure 27: Differential Loudspeaker Configuration
65
Loudspeaker Circuit
65
Digital Audio Interface (DAI)
66
Table 17: Configuration Combinations for the PCM Interface
66
Figure 28: Master PCM Interface Application
67
Master Mode
67
Table 18: Overview of DAI Signal Functions
67
Figure 29: Short Frame PCM Timing
68
Figure 30: Long Frame PCM Timing
68
Figure 31: Slave PCM Interface Application
69
Slave Mode
69
Figure 32: Slave PCM Timing, Short Frame Selected
70
Figure 33: Slave PCM Timing, Long Frame Selected
70
Analog-To-Digital Converter (ADC)
71
Figure 34: Analog-To-Digital Converter (ADC)
71
GPIO Interface
72
Using the GPIO10 Line as Pulse Counter
72
Control Signals
73
Synchronization Signal
73
Figure 35: SYNC Signal During Transmit Burst
73
Using the SYNC Line to Control a Status LED
74
Figure 36: LED Circuit (Example)
74
Behavior of the RING0 Line (ASC0 Interface Only)
75
PWR_IND Signal
75
Figure 37: Incoming Voice/Fax/Data Call
75
Figure 38: URC Transmission
75
4 Antenna Interface
76
Antenna Installation
76
Table 19: Return Loss in the Active Band
76
Figure 39: Antenna Pads
76
RF Line Routing Design
77
Figure 40: 4 Layer PCB Stack for EGS5 Interface Board
77
Figure 41: RF Line on Interface Board. All Dimensions Are Given in MM
79
5 Electrical, Reliability and Radio Characteristics
80
Absolute Maximum Ratings
80
Table 20: Absolute Maximum Ratings
80
Operating Temperatures
81
Table 21: Board / Battery Temperature
81
Table 22: Ambient Temperature According to IEC 60068-2
81
Table 23: Charging Temperature
81
Storage Conditions
82
Table 24: Storage Conditions
82
Reliability Characteristics
83
Table 25: Summary of Reliability Test Conditions
83
Pad Assignment and Signal Description
84
Figure 42: Numbering Plan for Connecting Pads (Bottom View)
84
Table 26: Pad Assignments
85
Table 27: Signal Description
86
Power Supply Ratings
94
Table 28: Power Supply Ratings
94
Table 29: Current Consumption During Tx Burst for GSM 850Mhz and GSM 900Mhz
95
Table 30: Current Consumption During Tx Burst for GSM 1800Mhz and GSM 1900Mhz
96
Electrical Characteristics of the Voiceband Part
97
Setting Audio Parameters by at Commands
97
Table 31: Audio Parameters Adjustable by at Commands
97
Audio Programming Model
98
Figure 43: Audio Programming Model
98
Characteristics of Audio Modes
99
Table 32: Voiceband Characteristics (Typical)
99
Voiceband Receive Path
100
Table 33: Voiceband Receive Path
100
Voiceband Transmit Path
102
Table 34: Voiceband Transmit Path
102
Air Interface
103
Table 35: Air Interface
103
Electrostatic Discharge
104
Table 36: Electrostatic Values
104
6 Mechanics, Mounting and Packaging
105
Mechanical Dimensions of EGS5
105
Figure 44: EGS5- Top View
105
Figure 45: Dimensions of EGS5 (All Dimensions in MM)
106
Mounting EGS5 Onto the Application Platform
107
SMT PCB Assembly
107
Land Pattern and Stencil
107
Figure 46: Land Pattern (Bottom View)
107
Board Level Characterization
108
Figure 47: Recommended Stencil Design (Bottom View)
108
Moisture Sensitivity Level
109
Soldering Conditions and Temperature
109
Reflow Profile
109
Figure 48: Reflow Profile
109
Maximum Temperature and Duration
110
Table 37: Reflow Temperature Ratings
110
Durability and Mechanical Handling
111
Storage Life
111
Processing Life
111
Baking
111
Electrostatic Discharge
111
Packaging
112
Tape and Reel
112
Orientation
112
Figure 49: Carrier Tape
112
Figure 50: Reel Direction
112
Barcode Label
113
Figure 51: Barcode Label on Tape Reel
113
Shipping Materials
114
Moisture Barrier Bag
114
Figure 52: Moisture Barrier Bag (MBB) with Imprint
114
Figure 53: Moisture Sensitivity Label
115
Transportation Box
116
Figure 54: Humidity Indicator Card - HIC
116
7 Sample Application
117
Figure 55: EGS5 Sample Application
118
8 Reference Approval
119
Reference Equipment for Type Approval
119
Figure 56: Reference Equipment for Type Approval
119
Compliance with FCC and IC Rules and Regulations
120
9 Appendix
122
List of Parts and Accessories
122
Table 38: List of Parts and Accessories
122
Table 39: Molex Sales Contacts (Subject to Change)
123
Table 40: Hirose Sales Contacts (Subject to Change)
123
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