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User Manuals: TUYA NB-IoT Series Network Modules
Manuals and User Guides for TUYA NB-IoT Series Network Modules. We have
1
TUYA NB-IoT Series Network Modules manual available for free PDF download: Hardware Design Manual
TUYA NB-IoT Series Hardware Design Manual (29 pages)
Brand:
TUYA
| Category:
Wireless modules
| Size: 1 MB
Table of Contents
Table of Contents
4
About this Document
6
Applicable Scope
6
Purpose
6
Reference Documents
6
Acronyms and Abbreviations
6
Table 1- 1 Reference Documents
6
Table 1- 2 Acronyms and Abbreviations
6
Product Overview
7
Figure 2- 1 Product Appearance
7
Figure 2- 2 Package Size Diagram (Unit: MM)
7
Package Size
8
Technical Parameters
8
Table 2- 1 Technical Parameters of the NM1 Module
8
Product Functions
9
Baseband Functions
9
RF Functions
9
Figure 2- 3 System Connection Framework
9
Table 2- 2 Working Frequency Bands
9
Table 2- 3 Line Loss Requirements
10
Table 2- 4 Antenna Requirements
10
Table 2- 5 Conducted RF Transmit Power
10
Interfaces
11
Pin Definition
11
Pin Symbols
11
Pin Configuration Diagram
11
Pins
11
Figure 3- 1 Pin Configuration Diagram
11
Table 3- 1 Pin Symbols
11
Table 3- 2 Interface Pin Definition
11
Electrical Conditions
15
Power Interface
15
Power Pins and Grounding
15
Power Supply Requirements
15
Figure 3- 2 Power Supply of the NM1 Module
15
Table 3- 3 Electrical Conditions
15
SIM Card Interface
16
Pins
16
SIM Card Interface Application
16
Figure 3- 3 SIM Card Interface Application
16
Table 3- 4 Definition and Description of SIM Card Interface Signals
16
Spis
17
Pins
17
SPI Electrical Parameters and Application
17
I 2 C Interface
17
Figure 3- 4 Reference Circuit
17
Table 3- 5 SPI Signal Definition
17
Table 3- 6 I 2 C Interface Signal Definition
17
I 2 C Interface Electrical Parameters and Application
18
UART Interface
18
Pins
18
UART Interface Electrical Parameters and Application
18
Figure 3- 5 Reference Circuit
18
Figure 3- 6 Reference Circuit
18
Table 3- 7 UART Interface Signal Definition
18
USB Interface
19
USB and Downloading Interface Pins (COM Function Not Supported)
19
Figure 3- 7 Reference Circuit with a Level Converter
19
Figure 3- 8 Reference Circuit with a Triode for Level Conversion
19
Table 3- 8 USB and Downloading Interface Signal Definition
19
USB and Downloading Interface Application
20
Power-On/Power-Off and Reset Interface
20
PWRKEY Pin
20
Power-On/Power-Off Interface Application
20
Figure 3- 9 Downloading Interface Application Circuit
20
Figure 3- 10 PWRKEY Interface Application Circuit
20
Table 3- 9 PWRKEY Signal Definition
20
RESET Pin
21
RESET Interface Application
21
Design Instructions
21
General Design Rules and Requirements
21
Power Supply Circuit Design
21
RF Circuit Design
21
Figure 3- 11 RESET Interface Application Circuit
21
Table 3- 10 RESET Signal Definition
21
RF Antenna Circuit Design
22
Figure 4- 1 Antenna Impedance Calculation Model
22
Precautions for Initial Antenna Design
23
Suggestions on EMC and ESD Design
23
PCB Solder Pad Design
23
Thermal Design
23
Figure 4- 2 Antenna PCB Cabling Impedance Calculation Data
23
Production Instructions
24
Stencil Design
24
Oven Temperature Curve
24
Figure 5- 1 Recommended Stencil Strips
24
Table 5- 1 over Temperature Curve Parameter Settings
24
Figure 5- 2 over Temperature Curve
25
Mechanical Size
26
NM1 Module Mechanical Size
26
Figure 6- 1 Top View (Unit: MM)
26
Figure 6- 2 Side View (Unit: MM)
26
Figure 6- 3 Transparent View (Unit: MM)
27
Recommended Package Size
28
Figure 6- 4 Recommended Package Size (Unit: MM)
28
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