Neoway N58 Manuale di installazione

Hardware User Guide

LTE Cat.1 Module

Issue 2.8

Date 2023-03-16

N58 Hardware User Guide

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is the trademark of Neoway Technology Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective

holders.

Notice

This document provides a guide for users to use N58.

This document is intended for system engineers (SEs), development engineers, and test engineers.

THIS GUIDE PROVIDES INSTRUCTIONS FOR CUSTOMERS TO DESIGN THEIR APPLICATIONS.

PLEASE FOLLOW THE RULES AND PARAMETERS IN THIS GUIDE TO DESIGN AND COMMISSION.

NEOWAY WILL NOT TAKE ANY RESPONSIBILITY OF BODILY HURT OR ASSET LOSS CAUSED BY

IMPROPER OPERATIONS.

THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE DUE TO

PRODUCT VERSION UPDATE OR OTHER REASONS.

EVERY EFFORT HAS BEEN MADE IN PREPARATION OF THIS DOCUMENT TO ENSURE ACCURACY

OF THE CONTENTS, BUT ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS

DOCUMENT DO NOT CONSTITUTE A WARRANTY OF ANY KIND, EXPRESS OR IMPLIED.

Neoway provides customers complete technical support. If you have any question, please contact your

account manager or email to the following email addresses:

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Website: http://www.neoway.com

 
N58 Hardware User Guide 
Contents 
 
Copyright © Neoway Technology Co., Ltd. All rights reserved. 
iii 
 
Contents 
About This Document .................................................................................viii 
Scope ...............................................................................................................................................viii 
Audience ..........................................................................................................................................viii 
Change History.................................................................................................................................viii 
Conventions ........................................................................................................................................x
Related Documents............................................................................................................................xi 
Safety Recommendations .......................................................................12 
About N58................................................................................................13 
1 Product Overview....................................................................................................................... 13 
2 Block Diagram............................................................................................................................ 14 
3 Basic Features ........................................................................................................................... 15 
Refference Standards..............................................................................18 
Pin Definitions..........................................................................................19 
1 Pad Layout ................................................................................................................................. 19 
2 Pin Description ........................................................................................................................... 20 
Application Interfaces ..............................................................................29 
1 Power Interfaces ........................................................................................................................ 29 
1.1 VBAT.................................................................................................................................. 29 
1.2 VDD_1P8........................................................................................................................... 34 
2 Control Interfaces....................................................................................................................... 34 
2.1 RESET_N .......................................................................................................................... 34 
2.2 PWRKEY_N ...................................................................................................................... 36 
2.3 SLEEP ............................................................................................................................... 39 
3 Peripheral Interfaces .................................................................................................................. 42 
3.1 USB ................................................................................................................................... 42 
3.2 UART................................................................................................................................. 44 
3.3 USIM.................................................................................................................................. 47 
3.4 SDIO.................................................................................................................................. 50 
3.5 SPI..................................................................................................................................... 52 
3.6 I2C ..................................................................................................................................... 52 
4 Audio Interfaces ......................................................................................................................... 53 
4.1 Analog Audio Input Interfaces............................................................................................ 53 
4.2 Analog Audio Output Interfaces......................................................................................... 54 
5 Video Interfaces ......................................................................................................................... 57 
5.1 LCD ................................................................................................................................... 57 
5.2 Camera.............................................................................................................................. 57 
6 Other Functional Interfaces........................................................................................................ 58 
6.1 ADC ................................................................................................................................... 58 
6.2 NET_LIGHT....................................................................................................................... 58 

 
N58 Hardware User Guide 
Contents 
 
Copyright © Neoway Technology Co., Ltd. All rights reserved. 
iv 
 
6.3 RING.................................................................................................................................. 59 
6.4 USB_BOOT ....................................................................................................................... 60 
6.5 VBACKUP and VRTC........................................................................................................ 61 
6.6 GPIO.................................................................................................................................. 62 
6.7 GNSS_LNA_EN ................................................................................................................ 62 
6.8 Keypad .............................................................................................................................. 63 
6.9 1PPS ................................................................................................................................. 64 
7 RF Interfaces.............................................................................................................................. 64 
7.1 ANT_MAIN Antenna Interface ........................................................................................... 64 
7.2 ANT_GNSS Interface ........................................................................................................ 66 
7.3 ANT_BT Interface .............................................................................................................. 69 
7.4 Antenna Assembling.......................................................................................................... 69 
Electrical Characteristics and Reliability..................................................72 
1 Electrical Characteristics............................................................................................................ 72 
2 Temperature Characteristics ...................................................................................................... 73 
3 ESD Protection Characteristics.................................................................................................. 73 
RF Characteristics ...................................................................................74 
1 Operating Frequency Bands ...................................................................................................... 74 
2 TX Power and RX Sensitivity ..................................................................................................... 75 
3 GNSS Technical Parameters ..................................................................................................... 76 
4 WLAN/BT Characteristics .......................................................................................................... 77 
Mechanical Characteristics......................................................................78 
1 Dimensions................................................................................................................................. 78 
2 Labeling...................................................................................................................................... 79 
3 Packaging................................................................................................................................... 79 
3.1 Reel ................................................................................................................................... 80 
3.2 Moisture Sensitivity Level.................................................................................................. 81 
Mounting N58 onto Application Board .....................................................82 
1 N58 PCB Package ..................................................................................................................... 82 
2 Application PCB Package .......................................................................................................... 83 
3 Stencil......................................................................................................................................... 84 
4 Solder Paste............................................................................................................................... 84 
5 Oven Temperature Profile .......................................................................................................... 84 
 Abbreviations...........................................................................................86 
 

N58 Hardware User Guide

Figures

Figure 2-1 Block diagram ................................................................................................................. 15

Figure 4-1 Pad layout of N58 (top view) .......................................................................................... 19

Figure 5-1 Voltage drop of the power supply. .................................................................................. 30

Figure 5-2 Recommended power supply design 1 .......................................................................... 30

Figure 5-3 Recommended power supply design 2 .......................................................................... 31

Figure 5-4 Recommended power supply design 3 .......................................................................... 32

Figure 5-5 Recommended power supply design 4 .......................................................................... 33

Figure 5-6 Reference design of push-button reset .......................................................................... 35

Figure 5-7 Reference reset circuit in which a triode is used for isolation......................................... 35

Figure 5-8 Module reset process ..................................................................................................... 36

Figure 5-9 Reference design of push-button startup ....................................................................... 36

Figure 5-10 Reference design of MCU-control startup .................................................................... 37

Figure 5-11 Reference design of automatic startup once powered up ............................................ 37

Figure 5-12 Power-on process......................................................................................................... 38

Figure 5-13 Hardware shutdown process of N58 ............................................................................ 39

Figure 5-14 Process of entering into sleep mode ............................................................................ 40

Figure 5-15 Process of processing data services in sleep mode .................................................... 40

Figure 5-16 Process of waking up the module................................................................................. 41

Figure 5-17 Reference design of module sleep and wake-up control ............................................. 42

Figure 5-18 Recommended design of the USB interface ................................................................ 43

Figure 5-19 Reference design of the UART interface...................................................................... 44

Figure 5-20 Recommended voltage-level translation circuit 1......................................................... 45

Figure 5-21 Recommended voltage-level translation circuit 2......................................................... 46

Figure 5-22 Recommended voltage-level translation circuit 3......................................................... 47

Figure 5-23 Reference design of the USIM interface (normally close connector) ........................... 48

Figure 5-24 Reference design of USIM card interface (normally open connector) ......................... 49

Figure 5-25 Reference design of USIM card interface (without hot-swapping function) ................. 50

N58 Hardware User Guide

Figures

Figure 5-26 Reference design of the SDIO interface....................................................................... 51

Figure 5-27 Reference design of the SPI interface.......................................................................... 52

Figure 5-28 Reference design of I2C interface................................................................................ 53

Figure 5-29 Reference design of the differential MIC input circuit................................................... 54

Figure 5-30 Reference design of audio interface with internal power amplifier............................... 55

Figure 5-31 Reference design of audio interface with external power amplifier.............................. 56

Figure 5-32 Driving LED indicators with a triode.............................................................................. 59

Figure 5-33 Incoming call RING indication ...................................................................................... 60

Figure 5-34 SMS RING indication.................................................................................................... 60

Figure 5-35 Reference design of USB_BOOT pin ........................................................................... 61

Figure 5-36 Reference design of the VBACKUP and VRTC power supply ..................................... 62

Figure 5-37 Keypad reference design.............................................................................................. 63

Figure 5-38 Schematic diagram of 1PPS output waveform............................................................. 64

Figure 5-39 L-type RF matching schematics ................................................................................... 65

Figure 5-40 T-type RF matching schematics ................................................................................... 65

Figure 5-41 π-type RF matching schematics................................................................................... 65

Figure 5-42 Recommended RF PCB design ................................................................................... 66

Figure 5-43 GNSS RF structure....................................................................................................... 67

Figure 5-44 Reference design of active GNSS antenna.................................................................. 68

Figure 5-45 Reference design of passive GNSS antenna............................................................... 69

Figure 5-46 Murata RF connector encapsulation specifications...................................................... 70

Figure 5-47 RF cable connections ................................................................................................... 70

Figure 5-48 Antenna layout .............................................................................................................. 71

Figure 5-49 Clearance area (No Ground Area) around the antenna on the PCB board ................. 71

Figure 8-1 Top and side view dimensions (unit: mm)....................................................................... 78

Figure 8-2 N58 labels....................................................................................................................... 79

Figure 9-1 Bottom view of N58 PCB package (unit: mm) ................................................................ 82

Figure 9-2 Recommended footprint of the N58 application PCB (unit: mm).................................... 83

Figure 9-3 Oven temperature profile ................................................................................................ 85

N58 Hardware User Guide

Tables

vii

Tables

Table 2-1 Models and frequency bands ........................................................................................... 13

Table 4-1 IO types and DC characteristics....................................................................................... 20

Table 4-2 Pin description.................................................................................................................. 21

Table 5-1 LCD interface description................................................................................................. 57

Table 5-2 Camera interface description ........................................................................................... 58

Table 6-1 Electrical characteristics................................................................................................... 72

Table 6-2 Current consumption (typical) .......................................................................................... 72

Table 6-3 ESD Protection Characteristics........................................................................................ 73

Table 7-1 Operating frequency bands.............................................................................................. 74

Table 7-2 RF transmit power ............................................................................................................ 75

Table 7-3 RX sensitivity.................................................................................................................... 75

Table 7-4 GNSS technical parameters............................................................................................. 76

Table 7-5 WLAN/ BT TX power and RX sensitivity .......................................................................... 77

N58 Hardware User Guide

About This Document

viii

About This Document

Scope

This document is applicable to the N58 series. It describes N58 information and functional interface

characteristics, and provides a reference design for each functional interface.

The reference design in this document is for reference only, and user applications must be designed

according to actual scenarios and conditions. If you have any questions, please contact Neoway FAEs.

Audience

This document is intended for system engineers (SEs), development engineers, and test engineers.

Change History

Issue

Date

Change

Author

1.0

2019-11

Initial release.

Zhang Gang

2.0

2020-05

⚫Changed the definitions of pins 13, 78, 80, and 83.

⚫Updated the GNSS characteristics and added the

support for BDS.

⚫Updated the frequency bands of EA and LA variants.

⚫Added the 1PPS pin description of the N58 module

with the GNSS function.

⚫Updated the MIC-related design description.

Zhang Gang

2.1

2020-07

Updated the figure of N58 dimensions and adjusted the

direction of the PCB package figure.

Liu Pengbin

2.2

2020-08

⚫Updated the ADC voltage detection range.

⚫Updated the DC characteristics description P3 and

the 1.8V digital IO voltage type.

⚫Added the description of VBAT Vmin and Vnorm.

⚫Updated the DC characteristics description of

RESET_N and PWRKEY_N pins.

⚫Updated the function of the UART1 interface. This

interface is disabled after the BT function is enabled.

⚫Updated the DC characteristics description of

Walter Wu

N58 Hardware User Guide

About This Document

USIM1_DET and USIM2_DET pins.

⚫Updated the SDIO reference design.

⚫Updated the resistance value of the pull-up resistor of

the 12C bus.

⚫Deleted the UART level shifting circuit.

⚫Updated the power supply range of VRTC_GPS.

⚫Updated the anode power supply range of LED_K.

⚫Changed the PWRKEY_N startup time to be greater

than 1.8s and less than 3s.

⚫Updated the description and function definitions of

PSM_WAKEUP.

⚫Updated the voltage domain of the LCD and SDIO

interfaces.

2.3

2020-11

⚫Updated the RING pin description and figures.

⚫Updated the UART1 interface description.

⚫Updated the PSM_WAKEUP description and deleted

the DTR description.

Walter Wu

2.4

2021-06

⚫Updated the USB pin name in Figure 4-1 (that is, "HS"

is removed).

⚫Updated the recommended circuit of a USIM card to

explain the handling method of the USIM_DET pin

when a user uses hot plug or does not use hot plug.

⚫Deleted the description of "adaptive" because an SD

card does not support adaptive 1.8 V and 3.0 V

(configured based on the software version).

⚫Updated the dimensions figure and added the "PIN1"

identifier.

⚫Changed the maximum drive current of the RGB LED

to 50 mA.

Wu Yongqiang

2.5

2021-09

⚫Updated the variants, frequency bands, and regions

of N58 modules in Table 2-1.

⚫Updated the block diagram in Figure 2-1.

⚫Updated the description of the application interfaces

in the table of basic features.

⚫Updated the power consumption data in sleep mode,

idle mode, and operating mode.

⚫Added chapter 3 "Refference Standards" to describe

the reference standards of the N58 module design.

⚫Added the VCC_GNSS_BIAS pin description of the

N58 module with the GNSS function.

⚫Updated the N58 module startup, shutdown, and

reset flowcharts.

⚫Added the reference design of the module sleep and

wake-up control circuit.

Wu Yongqiang

N58 Hardware User Guide

About This Document

⚫Added the software (standard/open) version UART

instructions.

⚫Updated the reference design of the UART level

shifting circuit.

⚫Updated the reference design of the USIM interface

circuit.

⚫Added the reference design of the I2C interface

circuit.

⚫Added the 1PPS output waveform diagram.

⚫Updated the description of GNSS technical

parameters.

⚫Added the reference design of the passive GNSS

antenna circuit.

⚫Updated the label diagram.

⚫Updated the table of abbreviations.

⚫Optimized the document to improve its quality.

2.6

2021-11

⚫Added the circuit usage instructions for automatic

startup upon module power-on.

⚫Deleted section 5.6.10 "VCC_GNSS_BIAS."

Wu Yongqiang

2.7

2022-12

⚫Updated schematic design guidelines for the

reference design of the USIM card interface.

⚫Added application PCB design note in Section 9.2 .

⚫Updated information including storage time and

baking time in section 8.3 “Packaging”.

⚫Updated Figure 5-42 "Recommended RF PCB

design”.

⚫Updated the data in Table 4-1

Wu Yongqiang

2.8

2023-02

⚫Modified description for the voltage-level translation

circuit and updated the reference design circuits

Figure 5-20,Figure 5-21, and Figure 5-22 in section

5.3.2 .

⚫Updated the reference design of the USIM interface

in section 5.3.3 “USIM”.

Wu Yongqiang

Conventions

Symbol

Description

Indicates danger or warning. This information must be followed. Otherwise, a

catastrophic module or user device failure or bodily injury may occur.

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