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Cinterion DSB75 manual available for free PDF download: Hardware Description
Cinterion DSB75 Hardware Description (96 pages)
Development Support Board
Brand:
Cinterion
| Category:
Motherboard
| Size: 2 MB
Table of Contents
Table of Contents
3
Document History
7
Table 11: Pin Assignment of 1St Serial Interface COM1 (X201)
8
1 Introduction
12
Supported Products
12
Related Documents
12
Scope of Delivery
13
Standard Package DSB75 Development Support Board
13
Product Specific Accessories
13
Table 1: Standard Package DSB75 Development Support Board
13
Terms and Abbreviations
14
Table 2: Terms and Abbreviations
14
2 General Overview
16
Key Features at a Glance
16
Table 3: Key Features
16
System Overview
18
Figure 1: System Overview
18
Location of Connectors, Switches, Jumpers, Leds, Adjustable Resistors
19
Figure 2: Location of the Connectors, Switches, Jumpers, Leds and Adjustable Resistors
19
Block Diagram
20
Interface Overview
21
Figure 3: Block Diagram
21
Table 4: Interfaces of the DSB75
21
3 Description of DSB75 Interfaces
23
GSM Module Interface (Board-To-Board Connector)
23
Figure 4: Pin Assignment of the B2B Connector
23
Table 5: Pin Assignment of B2B Connector X100
24
Test Points
25
Figure 5: Overview of B2B Connector Pins and the Corresponding Test Points
25
Figure 6: Location of the Test Points
25
Table 6: Pin Assignment - B2B Connector X100 and Test Points X101
26
Table 7: Pin Assignment - B2B Connector X100 and Test Points X102
26
GPIO Lines
27
Figure 7: GPIO Circuit
27
Table 8: LED Indication of GPIO Status
27
Figure 8: GPIO - Location of Switches and Leds
28
Table 9: GPIO Assignment and Switch Position
28
SIM Card Interface
29
Figure 9: SIM Card Interface
29
Figure 10: Pin Location of the Molex SIM Card Holder and Test Pins
30
Table 10: Pin Assignment - SIM Card Holder X503 and Test Pins X501
30
RS-232 Interfaces
31
Figure 11: RS-232 Interfaces
31
Figure 12: Location of the RS-232 Interfaces and Switches
32
Serial Interface 1 (COM1)
33
Serial Interface 2 (COM2)
34
Table 12: Pin Assignment of 2Nd Serial Interface COM2 (X202)
34
Debug Interface (COM3)
35
Figure 13: Recommended Adapter Cable from PC to COM2 on DSB75
35
Table 13: Pin Assignment of Debug Interface COM3 (X205)
35
Analog Audio Interfaces
36
Figure 14: Analog Audio Interface - Overview
36
Audio Interface 1 (Handset)
37
Figure 15: Location of the Audio Connectors and Switches
37
Table 14: Pin Assignment of Handset Audio Interface 1 (X502)
37
Audio Interface 2 (Headset or Speakerphone Operation)
38
Recommended Headset
38
Table 15: Pin Assignment of Audio Interface 2 (X700, X701)
38
Speakerphone Operation
39
Figure 16: Siemens Car Kit Portable HKP-500
39
Figure 17: Circuit of Microphone Feeding Bridges
40
Microphone Circuit (Feeding Bridges)
40
Digital Audio Interface
41
Figure 18: DAI Interface
41
Figure 19: Location and Pin Assignment of the DAI Connector X703
41
Figure 20: Example for Connecting Measurement Equipment
42
Table 16: Pin Assignment of the USC/DAI Interface X703
42
USB Device Interface
43
Figure 21: USB Device Interface
43
Figure 22: Location of the USB Interface, Switches and Jumper
44
Table 17: Pin Assignment of USB Device Interface X110
44
I²C Interface
45
Figure 23: I²C Interface
46
Figure 24: I²C Interface Location
46
Table 18: Pin Assignment of the I²C Interface X511
47
SD Card Interface
48
Figure 25: SD Card Interface
48
Figure 26: Location of Slide Switches and Card Reader Pins
49
SD 4 Bit Mode
50
Table 19: Pin Assignment of SD Card Interface X301 (SD 4 Bit Mode)
50
SD 1 Bit Mode
51
Table 20: Pin Assignment of SD Card Interface X301 (SD 1 Bit Mode)
51
SPI Bus Mode
52
Table 21: Pin Assignment of SD Card Interface X301 (SPI Bus Mode)
52
Serial Peripheral Interfaces
53
Figure 27: SPI Interfaces
53
Table 22: Alternative Configuration of SPI Interface Lines
53
Figure 28: SPI Interfaces Location and Related Switches
54
Table 23: Pin Assignment of the SPI Interfaces X510
54
Analog Interface
55
Figure 29 PWM Filter Characteristics
55
Figure 30: Analog Interface Location and Related Switches
55
Figure 31: Analog Interface
56
Table 24: Pin Assignment of the Analog Interface
56
Antenna Interface
57
Power Supply Interfaces
58
Figure 32: Power Supply Interfaces
58
Figure 33: Location of the Power Supply Connectors, Switches and Jumpers
59
Figure 34: Input Circuit Schematic (5V DC/DC Converter) for Power Supply
60
Internal Supply Voltages
60
Table 25: Description of Power Supply Units
60
Figure 35: Schematic for Audio Supply (5V0_I)
61
Figure 36: Schematic for GSM Module Supply (3V3_4V5 or BATT+)
61
Power Supply for DSB75 and GSM Module
62
Table 26: Recommended Specification of the Laboratory PSU
62
Table 27: Connecting the Laboratory PSU to X400 and X401
62
Battery Powered Operation of GSM Module
63
Charging the Battery
63
Figure 37: Battery Screw Terminal
63
Table 28: Pin Assignment of the Screw Terminal X602
63
Charging Circuit
64
Table 29: Pin Assignment of the X700 Jack for the Plug-In Charger
64
Table 30: Pin Assignment of the X701 Jack for the Plug-In Charger
64
Figure 38: Schematic of Charging Circuit
65
Real Time Clock Supply
65
Adjusting the V BATT
66
Figure 39: Location of Jumpers and Resistors for Adjusting BATT+ Voltage (3V3_4V5)
66
Table 31: Adjusting BATT+ Voltage (3V3_4V5)
66
4 Status Leds
67
Figure 40: Location of Leds
67
Indication of Asynchronous Serial Interface Signals
68
Indication of GPIO Signals and SYNC
68
Figure 41: ASC Signal Indication Circuit
68
Indication of Power
69
Indication of I²C Lines
69
Figure 42: GPIO Signal Indication Circuit
69
5 Overview of Switches and Jumpers
70
Overview of Switches
70
Table 32: Overview of Switch Positions
70
Figure 43: Location, Signal Names and Switch Positions of the Slide Switches
74
Overview of Jumpers
75
Table 33: Overview of Jumpers
75
Figure 44: Location of Jumpers
76
Figure 45: Illustration of Positions to Cut the Trace for Jumpers X203 and X122
76
6 Connecting Antenna and GSM Module to DSB75
77
Figure 46: Mounting GSM Module (MC75, TC63, TC65) Onto the DSB75
77
Figure 47: Top View on DSB75 with Connected GSM Module (MC75, TC63 or TC65) and RF
78
7 Turn on / off the GSM Module
79
Turn on the GSM Module
79
Figure 48: Turn on Circuit
79
Turn off the GSM Module
80
Emergency Restart
80
8 Technical Data of DSB75
81
Table 34: DSB75 Maximum Ratings
81
Table 35: DSB75 Technical Data
81
Cable Requirements
84
9 Appendix
85
List of Parts and Accessories
85
Table 36: List of Parts and Accessories
85
Circuit Diagrams of DSB75
86
Figure 49: Schematic of Page Signals
86
Figure 50: Schematic of Position List
87
Figure 51: Schematic Sheet 1 - B2B Connector, Test Points, USB Interface
88
Figure 52: Schematic Sheet 2 - ASC0, ASC1 and ASC2 Interface
89
Figure 53: Schematic Sheet 3 - SD Card Reader
90
Figure 54: Schematic Sheet 4 - Gpios, Power Supply
91
Figure 55: Schematic Sheet 5 - SIM Card, I2C, SPI, Analog and Antenna Interface
93
Figure 56: Schematic Sheet 6 - Charging Interface
93
Figure 57: Schematic Sheet 7 - Audio Interface
94
Floor Plan of the DSB75
95
Figure 58: Floor Plan Top Side
95
Figure 59: Floor Plan Bottom Side
96
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