Table of Contents
Advertisement
Quick Links
Hangzhou Tuya Inc.
NM1 Module Hardware Design Manual
NM1 Module Hardware Design Manual
NB-IoT Series
Issue: V1.1
Date: 2019-05-06
The Tuya Smart platform is a global intelligent platform, AI and IoT developer platform, and
world-leading voice interaction platform that provides one-stop AI and IoT solutions to meet intelligence
requirements of consumers, manufacturers, OEMs, and retail chain stores. Its solutions cover hardware
access, cloud services, and app software development, forming a closed service loop of AI and
manufacturing. It provides business group technologies and business model upgrade services for
consumer-level smart IoT devices to meet consumers' higher requirements for hardware. Tuya has
always been committed to providing customers with timely and comprehensive services. If you need any
help, contact Tuya headquarters. Tuya's contact information is as follows:
Hangzhou Tuya Inc.
Floor 7, Zheshang Fortune Center, No. 99, Gudun Road, Xihu District, Hangzhou, Zhejiang Province,
China
400-881-8611
https://www.tuya.com
Page 1 of 29
Advertisement
Table of Contents
Related Manuals for TUYA NB-IoT Series
Summary of Contents for TUYA NB-IoT Series
- Page 1 Issue: V1.1 Date: 2019-05-06 The Tuya Smart platform is a global intelligent platform, AI and IoT developer platform, and world-leading voice interaction platform that provides one-stop AI and IoT solutions to meet intelligence requirements of consumers, manufacturers, OEMs, and retail chain stores. Its solutions cover hardware access, cloud services, and app software development, forming a closed service loop of AI and manufacturing.
- Page 2 Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Change History Date Version Change Description Prepared By Reviewed By Approved By 2019-03-01 This is the first release. Wang Yanfeng Wang Yanfeng Chen Lihuan https://www.tuya.com Page 2 of 29...
- Page 3 Notice Copyright Statement Tuya reserves rights for this document and its content, which is protected by Chinese laws and related copyright laws in applicable international conventions. No part of this document may be reproduced, transmitted, distributed, or modified in any form or by any means without prior written consent of Tuya.
-
Page 4: Table Of Contents
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Contents About This Document..............................6 1.1 Applicable Scope..............................6 1.2 Purpose................................... 6 1.3 Reference Documents............................6 1.4 Acronyms and Abbreviations..........................6 Product Overview................................7 2.1 Package Size................................7 2.2 Technical Parameters...............................8 2.3 Product Functions..............................9 2.3.1 Baseband Functions............................. - Page 5 Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Figures Figure 2- 1 Product appearance............................. 7 Figure 2- 2 Package size diagram (unit: mm)....................... 7 Figure 2- 3 System connection framework........................9 Figure 3- 1 Pin configuration diagram.........................11 Figure 3- 2 Power supply of the NM1 module......................15 Figure 3- 3 SIM card interface application........................16...
-
Page 6: About This Document
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 1 About This Document 1.1 Applicable Scope This document describes hardware interface specifications, electrical features, mechanical specifications, and other related information about the NM1 module to help you design and develop NM1 module hardware. -
Page 7: Product Overview
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 2 Product Overview NM1 is a compact, high-performance, and low-power NB-IoT series module. It has the following features: Supports the B1, B3,B5,B8, B20 frequency bands. Provides the SIM card interface (1.8 V), USB 1.1 interface, UART interface, SPI, I C interface, and GPIO ... -
Page 8: Package Size
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 2.2 Technical Parameters describes mechanical features, baseband features, RF features, technical standards, and environment Table 2- 1 features of the NM1 module. Table 2- 1 Technical parameters of the NM1 module Item... -
Page 9: Product Functions
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 2.3 Product Functions 2.3.1 Baseband Functions The NM1 module baseband includes the USB interface signal, SIM card interface signal, I C interface signal, UART interface signal, working status indicator signal, module startup and reset signals, and multiplexing control signals, power supply, and grounding of multiple GPIO interfaces. -
Page 10: Table 2- 3 Line Loss Requirements
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Table 2- 3 Line loss requirements Frequency Band Requirement LTE B5, B8, B20 Line loss < 1 dB LTE B1, B3 Line loss < 1.5 dB Table 2- 4 Antenna requirements Item... -
Page 11: Interfaces
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 3 Interfaces 3.1 Pin Definition 3.1.1 Pin Symbols Table 3- 1 Pin symbols Pin Symbol Description Input Output Input/Output 3.1.2 Pin Configuration Diagram Figure 3- 1 shows the NM1 module's interface pins. - Page 12 Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Analog Signal Input/ Pin No. Pin Attribute Pin Voltage (V) Remarks Definition Output Primary device input and SPI_MISO secondary device output signal Primary device output SPI_MOSI and secondary device input signal SPI_SCLK...
- Page 13 Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Analog Signal Input/ Pin No. Pin Attribute Pin Voltage (V) Remarks Definition Output USB_DP USB+ signal USB_DM USB– signal USB_EINT USB_EINT 1.8 V output power (In Vmin = 1.53 V VIO18_EXT PSM mode, no voltage is Vnorm = 1.8 V...
- Page 14 Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Analog Signal Input/ Pin No. Pin Attribute Pin Voltage (V) Remarks Definition Output VSYS_PA Output power GPIO11 Reserved GPIO10 Reserved GPIO25 Reserved MD_WAKEUP GPIO28 Reserved AP_READY STATUS GPIO24 Reserved GPIO34 Reserved GPIO33...
-
Page 15: Electrical Conditions
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 3.2 Electrical Conditions Table 3- 3 Electrical conditions Minimum Typical Maximum Signal Description Unit Value Value Value VBAT_BOOST Input power 3.63 VSYS_BB Input power 3.63 VSYS_PA Output power 3.3 Power Interface 3.3.1 Power Pins and Grounding The NM1 module can be powered by a battery or external power supply. -
Page 16: Sim Card Interface
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 3.4 SIM Card Interface 3.4.1 Pins Table 3- 4 Definition and description of SIM card interface signals Signal Name Signal Definition Remarks SIM_DATA SIM card data pin SIM_CLK SIM card clock pin Voltage precision: 1.8 V±5%... -
Page 17: Spis
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 3.5 SPIs 3.5.1 Pins Table 3-7 defines the SPI signals. (SPIs support the slave mode.) Table 3- 5 SPI signal definition Pin No. Signal Name Function Description SPI_MISO Master input and slave output... -
Page 18: I 2 C Interface Electrical Parameters And Application
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 3.6.2 I C Interface Electrical Parameters and Application Figure 3- 5 Reference circuit 3.7 UART Interface 3.7.1 Pins The NM1 module provides three UART interfaces. The primary serial interface can be used for firmware upgrade. -
Page 19: Usb Interface
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Figure 3- 7 Reference circuit with a level converter A triode can also be used for level conversion. Figure 3- 8 Reference circuit with a triode for level conversion Note: Connection methods of the debugging, auxiliary, and primary serial interfaces are similar. -
Page 20: Usb And Downloading Interface Application
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 3.8.2 USB Interface Application Figure 3- 9 Downloading interface application circuit The nominated input power of the NM1 module is 3.3 V. When the USB interface is used for downloading, add an LDO circuit to keep the circuit voltage at 3.3 V. -
Page 21: Reset Pin
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 3.9.3 RESET Pin Table 3- 10 RESET signal definition Pin No. Signal Name Function Description RESET NM1 module resetting To reset the NM1 module, lower the RESET pin to a low level for a period of time and then disconnect it or raise it to a high level. -
Page 22: Rf Antenna Circuit Design
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 4.3.1 RF Antenna Circuit Design It is recommended that a π-type matching circuit be reserved during RF antenna peripheral circuit design. Ensure that the matching circuit is near the antenna, and attach resistors based on actual debugging conditions. -
Page 23: Precautions For Initial Antenna Design
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Figure 4- 2 Antenna PCB cabling impedance calculation data 4.3.2 Precautions for Initial Antenna Design 4.3.2.1 Pre-project Evaluation Ensure that the antenna is horizontal with the base station for maximum efficiency. Do not place the antenna near the power cable, data cable, or chip that may generate electromagnetic interference. -
Page 24: Production Instructions
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Place the antenna and the coaxial cable that is used to connect the antenna and NIC away from these interference sources. Place the NM1 module away from components that generate a large amount of heat such as the CPU to prevent the RF performance being affected by high temperature. -
Page 25: Figure 5- 2 Over Temperature Curve
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Figure 5- 2 Over temperature curve To prevent the NM1 module being damaged due to overheating, you are advised to attach the module after reflow soldering of the PCB's first side. https://www.tuya.com... -
Page 26: Mechanical Size
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 6 Mechanical Dimensions This chapter describes the mechanical dimensions of the NM1 module, in millimeters. 6.1 NM1 Module Mechanical Dimensions Figure 6- 1 Top view (unit: mm) Figure 6- 2 Side view (unit: mm) https://www.tuya.com... -
Page 27: Figure 6- 3 Transparent View (Unit: Mm)
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual Figure 6- 3 Transparent view (unit: mm) https://www.tuya.com Page 27 of 29... -
Page 28: Recommended Package Size
Hangzhou Tuya Inc. NM1 Module Hardware Design Manual 6.2 Recommended Package Dimensions Figure 6- 4 Recommended package dimensions (unit: mm) 7 Certification FCC Statement 15.19 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. - Page 29 Hangzhou Tuya Inc. NM1 Module Hardware Design Manual NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Need help?
Do you have a question about the NB-IoT Series and is the answer not in the manual?
Questions and answers