Cavli Wireless C42GM-S Manuals

Manuals and User Guides for Cavli Wireless C42GM-S. We have 1 Cavli Wireless C42GM-S manual available for free PDF download: Hardware Manual

Cavli Wireless C42GM-S Hardware Manual (80 pages)

CAT M1/NB1/NB2 Module Integrated eSIM

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

Table of Contents
3
Introduction
9
Module Characteristics
9
Table 1 Characteristic Table
9
Variant Information
11
Table 2 Variant Information
11
Module Overview
12
Module Introduction
12
Module Function
13
Figure 1 Functional Block Diagram of the C42GM Module
13
Device Development Kit
14
Interface Application Description
15
Chapter Overview
15
Module Interface
16
C42GM Pin Layout
16
Figure 2 C42GM Module Interface Definition
16
C42GM Pin Interface
17
Table 3 Pin Assignment
17
Power Interface
21
Table 4 I/O Parameter Definition
21
Table 5 Power Pin Definition
21
Input Power Supply Design
22
Figure 3 Burst Current Supply Voltage Drop for GSM TDMA Network
22
Power Reference Circuit
23
Figure 4 VBAT Power Supply
23
Figure 5 LDO Linear Power Reference Circuit
23
Figure 6 DC Switching Power Supply Reference Circuit
24
Figure 7 PMOS Tube Control Power Switch Reference Circuit
24
Switching Machine Reset Mode
25
Boot
25
Figure 8 Power-On Reference Circuit
25
Table 6 Switch Pin Definition
25
Turn off
26
Reset Control
26
Figure 9 Reference Circuit for Button Control
26
Table 7 Reset Foot Definition
26
USB Interface
27
Figure 10 Reset Reference Circuit
27
Table 8 Reset Pin Parameters
27
Figure 11 USB Connection Design Circuit Diagram
28
Table 9 Interface Pin Definition
28
UART Interface
29
UART Serial Ports
29
Table 10 UART Serial Port Signal Definition
29
Figure 12 Full-Featured Serial Port Design
30
Figure 13 UART Serial Port Design
30
Debug Serial Port
31
Figure 14 Level Conversion Chip Circuit
31
Table 11 Debug Serial Port Pin Definition
31
RI and DTR Interface
32
Figure 15 RI Pin Signal Waveform
32
Table 12 RI State Definition
32
USIM Interface
33
USIM Card Reference Circuit
33
Table 13 SIM Card Signal Definition
33
Figure 16 USIM Design Circuit Diagram
34
General Purpose GPIO Interface
35
Indication Interface
35
Network Status
35
Table 14 General GPIO Pin Definitions
35
Figure 17 Net Light Circuit Diagram
36
Table 15 Network Indicator Pin Definition
36
Table 16 Network Indication Status
36
Module Status Indication
37
Table 17 Network Indicator Pin Definition 2
37
PCM and I2C Interface
38
Figure 18 STATUS Pin Reference Circuit
38
Table 18 Module Status Indicator Pin Definition
38
Figure 19 PCM to Analog Voice Map
39
Table 19 PCM Pin Definition
39
ADC Interface
40
Figure 20 I2C Interface Reference Circuit Diagram
40
Table 20 ADC Pin Definitions
40
CAN Interface
41
Table 21 CAN Pin Definition
41
SPI Interface
42
Figure 21 CAN Reference Circuit Diagram
42
Table 22 SPI Interface Pin Definition
42
Sigfox Interface
43
SDIO Interface
43
Pwm_Out
44
Gps
44
Antenna Interface
45
Chapter Overview
45
RF Interface
45
Main Antenna Interface
46
Figure 22 Main Antenna Circuit Diagram
46
GNSS Interface
48
Figure 23 GNSS Active Antenna Reference Circuit
48
GNSS Reception Performance
49
RF Trace Reference
50
Figure 24 the Complete Structure of the Two-Layer PCB Microstrip Line
50
RF Connector Size
51
Figure 25 the Complete Structure of the Multilayer PCB Strip Line
51
Figure 26 Reference Ground Is the Third Layer PCB Coplanar Transmission Line Structure
51
Figure 27 RF Connector Size Chart
52
Figure 28 Antenna Connector Matching Plug Diagram
52
Working Frequency
53
Figure 29 Matching Coaxial RF Line Size
53
Interface Electrical Characteristics
55
Chapter Overview
55
Working Storage Temperature
55
Module IO Level
56
Power Supply
56
Interface Power Requirements
57
Uart
57
Usim
58
Adc
58
PCM and I2C
59
Power Consumption Characteristics
60
Electrostatic Property
62
Reliability Index
63
Structural and Mechanical Properties
65
Chapter Overview
65
Module Structural Image
65
Figure 30 Module Structural Design
65
C42GM Module Mechanical Size
66
Figure 31 Front View and Side View of the Module (Unit: MM)
66
Figure 32 Bottom View of the Module (Unit: MM)
67
Figure 33 Recommended Footprint (Top View) (Unit: MM)
68
Ordering Information
69
Figure 34 Ordering Information
69
Packaging and Production
71
Chapter Overview
71
Module Packaging and Storage
71
Figure 35 C42GM Tape Measurements (in MM)
71
Figure 36 Reel Dimensions of C42GM (in MM)
72
Production Welding
73
Figure 37 Reflow Soldering Temperature Graph
73
Appendix
75
Chapter Overview
75
Abbreviations
75
Safety and Precautions
77

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