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Manuals and User Guides for Ublox UBX-M8030. We have
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Ublox UBX-M8030 manual available for free PDF download: Hardware Integration Manual
Ublox UBX-M8030 Hardware Integration Manual (70 pages)
u-blox M8 GNSS chips
Brand:
Ublox
| Category:
Computer Hardware
| Size: 3 MB
Table of Contents
How to Use this Manual
3
Technical Support
3
Preface
3
Table of Contents
4
Contents
4
Hardware Description
7
Overview
7
Architecture
7
Design-In
8
Power Management
8
Power Domains
9
Backup Domain
9
Clock Domain
9
Supply Voltages
10
Built in Supply Monitors
12
Operating Modes
12
Continuous Mode
12
Pios
14
SQI Flash Memory
15
Configuration Pins
16
Communication Interfaces
17
Time Pulse
18
External Interrupt
18
Safe Boot Mode (SAFEBOOT_N Pin)
18
Active Antenna Supervisor
19
Electromagnetic Interference on PIO Lines
21
System Reset
21
Clock Generation
22
Clock Accuracies and Tolerances
22
Crystal or TCXO Package Selection
23
Frequency Perturbations
23
TCXO, 19Pf Crystal or 7Pf Crystal
24
Crystal Oscillator
24
Tcxo
25
Real-Time Clock (RTC)
27
RTC Using a Crystal
27
RTC Derived from the System Clock; "Single Crystal" Feature
27
RTC Using an External Clock
27
Time Aiding
28
RF Front-End
28
General Notes on Interference Issues
29
RF Front-End Circuit Options
30
Usb
34
Jtag
35
Layout
35
Placement
35
Package Footprint, Copper and Solder Mask
35
System Configuration
38
Communication Interface Configuration
38
Low Level Configuration
38
Current Configuration
41
Current Configuration at Run Time
41
Component Selection
42
Tcxo (Y1)
42
Crystal 19Pf (Y2)
44
Crystal 7Pf (Y4)
45
RTC Crystal (Y3)
46
SQI Flash (U3)
47
RF Band-Pass Filter (F1)
47
External LNA Protection Filter (F2)
48
USB Line Protection (D1)
48
Usb Ldo (U3)
48
External LNA (U1)
48
RF ESD Protection Diode (D2)
49
Operational Amplifier (U6)
49
Open-Drain Buffer (U4, U7 and U8)
49
Antenna Supervisor Switch Transistor (T1)
49
RF Inductors
49
Inductor for DC/DC Converter (L2)
50
Standard Capacitors
50
Standard Resistors
51
Ferrite Beads (FB1)
51
Feed-Thru Capacitors
51
Design-In Checklists
52
Pin List
52
Schematic and Bill of Material Design-In Checklist
53
Layout Design-In Checklist
54
Production
55
Packaging, Shipping, Storage and Moisture Preconditioning
55
ESD Handling Precautions
55
Soldering
55
Production
56
Set the Low Level Configuration and Program the Optional SQI Flash
57
Test the GNSS Performance
59
System Monitoring
59
Appendix
60
A Reference Schematics
60
Cost Optimized Circuit
60
Best Performance Circuit
61
Power Optimized Circuit
62
Improved Jamming Immunity
63
1.8V Design Using TCXO
64
Circuit Using Active Antenna
65
USB Self-Powered Circuit
66
USB Bus-Powered Circuit
67
Circuit Using 3-Pin Antenna Supervisor
68
Related Documents
69
Revision History
69
Contact
70
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