Cavli Wireless CQ10 Manuals

Manuals and User Guides for Cavli Wireless CQ10. We have 1 Cavli Wireless CQ10 manual available for free PDF download: Hardware Manual

Cavli Wireless CQ10 Hardware Manual

Cavli Wireless CQ10 Hardware Manual (64 pages)

LTE CAT 1 / 2G Module

Brand: Cavli Wireless | Category: Control Unit | Size: 2 MB

Table of Contents

Table of Contents
3
Version History
7
Introduction
8
Module Overview
9
Module Introduction
9
Module Characteristics
10
Module Function
12
Figure 1 CQ10 Functional Block Diagram
13
Interface Application Description
14
Chapter Overview
14
Module Interface
15
CQ10 Pin Layout
15
Figure 2 CQ10 Module Interface Definition (Top View)
15
CQ10 Pin Interface
16
Absolute Maximum Ratings
17
Operating Conditions
17
Power Interface
29
Power Supply Design
29
Power Reference Circuit
30
Figure 3 VCC Power Supply
30
Switching Machine Reset Mode
31
Turn on Module
31
Figure 4 DC Switching Power Supply Reference Circuit
31
Reset Control
32
Figure 5 Power-On Reference Circuit
32
Figure 6 Reset Reference Circuit
32
USB Interface
33
Figure 7 USB Connection Design Circuit Diagram
33
UART Interface
34
Uart4 (at Uart)
34
UART 3 (User UART)
35
Debug UART
36
Serial Port Application Circuit
36
Figure 8 UART Serial Port Design
36
USIM Interface
37
Figure 9 Level Conversion Reference Circuit
37
USIM Card Reference Circuit
38
Figure 10 USIM Design Circuit Diagram
38
Status Indication Interface
39
PCM Digital Voice Interface
40
Figure 11 Circuit Diagram of WWAN_STATE Pin Indicator
40
Figure 12 PCM Short Frame Mode Timing Diagram
41
I2C Bus
42
Figure 13 PCM to Analog Voice Map
42
SDC Interface
43
Figure 14 I2C Interface Reference Circuit Diagram
43
Figure 15 SDC Interface Reference Circuit Diagram
44
Antenna
45
Figure 16 Main Antenna Matching Circuit
45
Figure 18 GNSS Active Antenna Matching Circuit
46
RF Trace Reference
47
Figure 19 GNSS Antenna Matching Circuit
47
Figure 20 Coplanar Antenna
48
Figure 21 the Complete Structure of the Two-Layer PCB Microstrip Line
48
Figure 22 the Complete Structure of the Multilayer PCB Strip Line
48
Coexistence and Control Interface
49
SGMII Interface
49
GNSS Interface
51
ADC Interface
51
JTAG Interface
51
Figure 23 Ethernet (SGMII) Interface Reference Circuit Diagram
51
GPIO Interface
52
WLAN and Bluetooth Applications Interfaces
52
Overall Technical Indicators
54
Chapter Overview
54
Working Frequency
54
Antenna Requirements
55
Interface Electrical Characteristics
57
Chapter Overview
57
Working Storage Temperature
57
Electrostatic Property
57
Module IO Level
58
Power Supply
59
Structural and Mechanical Properties
60
CQ10 Module Mechanical Size
60
Figure 24 Top View and Bottom View of the Module
60
Figure 25 CQ10 Module Dimensions
60
Figure 26 Pad Dimensions (Bottom View)
61
Appendix
62
Chapter Overview
62
Abbreviations
62
Safety and Precautions
64

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