Neoway N1 CN Manual de usuario

N1_Hardware_User_Guide

N1Hardware User Guide

Version 1.6

N1_Hardware_User_Guide

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.

Remarks

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

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

Sales@neoway.com

Support@neoway.com

Website: http://www.neoway.com

N1_Hardware_User_Guide

Contents

About This Document ......................................................................................................... 1

1 Introduction to N1............................................................................................................. 1

1.1 Overview ............................................................................................................................................ 1

1.2 Block Diagram ................................................................................................................................... 2

1.3 Features .............................................................................................................................................. 2

2 Pin Description and PCB Foot Print .............................................................................. 6

2.1 Specifications and Pin Definition ....................................................................................................... 6

2.2 Pin Description ................................................................................................................................... 7

2.3 GPIOReference Level ...................................................................................................................... 15

2.4 PCBFoot Print .................................................................................................................................. 16

3 Power Supply Interfaces ................................................................................................ 17

3.1 Power Supply ................................................................................................................................... 17

3.2 Power-On.......................................................................................................................................... 20

3.3 Hard Reset ........................................................................................................................................ 21

3.4 Hard Power-off................................................................................................................................. 22

3.5 VRTC Power Supply ........................................................................................................................ 22

3.6 Battery Management ........................................................................................................................ 23

4 Video I/O Interfaces........................................................................................................ 25

4.1 LCD Interfaces ................................................................................................................................. 25

4.1.1 WVGA .................................................................................................................................... 25

4.1.2 720P ........................................................................................................................................ 28

4.2 TP Interfaces..................................................................................................................................... 29

4.3 Camera Interfaces............................................................................................................................. 30

4.3.1 Main Camera ........................................................................................................................... 30

4.3.2 Sub-Camera............................................................................................................................. 32

4.3.3 Design Precautions.................................................................................................................. 33

4.3.4 Camera Power Supply............................................................................................................. 35

4.4 Design Precautions ........................................................................................................................... 35

5 Audio Interface ................................................................................................................ 37

5.1 Audio Input....................................................................................................................................... 37

5.2 Audio Output .................................................................................................................................... 37

5.3 Headphone Interfaces ....................................................................................................................... 38

5.4 Audio Design Precautions ................................................................................................................ 40

6 Peripheral Interfaces....................................................................................................... 41

N1_Hardware_User_Guide

iii

6.1 USB Interface ................................................................................................................................... 41

6.2 UIM Card Interface .......................................................................................................................... 42

6.3 SDIO................................................................................................................................................. 43

6.3.1 SD Card................................................................................................................................... 43

6.3.2 SD Peripheral Interface ........................................................................................................... 44

6.4 GPIO................................................................................................................................................. 44

6.4.1 UART ...................................................................................................................................... 45

6.4.2 I2C........................................................................................................................................... 46

6.4.3 SPI........................................................................................................................................... 46

6.5 ADC.................................................................................................................................................. 46

6.6 Other Interfaces ................................................................................................................................ 47

7 RF Interface....................................................................................................................... 48

7.1 2G/3G RF Design and PCB Layout ................................................................................................. 48

7.2 Wi-Fi/BT RF Design and PCB Layout ............................................................................................. 49

7.3 GPS RF Design and PCB Layout ..................................................................................................... 51

7.3.1 GPS Impedance ....................................................................................................................... 51

7.3.2 Active GPS Antenna Design.................................................................................................... 51

7.3.3 Passive GPS Antenna Design Reference ................................................................................. 52

7.4 FM RF Design and PCB Layout....................................................................................................... 53

8 Commissioning Interfaces............................................................................................. 55

8.1 FORCE_USB_BOOT....................................................................................................................... 55

9 Electrical Feature and Reliability ................................................................................. 56

9.1 Electrical Feature.............................................................................................................................. 56

9.2 Temperature...................................................................................................................................... 56

9.3 ESD Protection ................................................................................................................................. 56

10 RF Feature ....................................................................................................................... 58

10.1 Work Band...................................................................................................................................... 58

10.2 TX Power and RX Sensitivity ........................................................................................................ 59

11 Mounting and Packaging............................................................................................. 61

11.1 Mounting the Module onto the Application Board ......................................................................... 61

11.2 Packaging ....................................................................................................................................... 61

12 Abbreviations................................................................................................................. 62

N1_Hardware_User_Guide

Table of Figures

Figure 1-1 N1 block diagram .................................................................................................................. 2

Figure 2-1 Top view of N1 ...................................................................................................................... 6

Figure 2-2 PCC foot print recommended for N1 .................................................................................. 16

Figure 3-1 Capacitors used for the power supply.................................................................................. 17

Figure 3-2 Reference design of power supply control .......................................................................... 18

Figure 3-3 Reference design of power supply controlled by p-MOSFET............................................. 18

Figure 3-4 Reference designs of separated power supply ..................................................................... 19

Figure 3-5 Push switch control ............................................................................................................. 20

Figure 3-6 MCU control........................................................................................................................ 20

Figure 3-7 N1power-on sequence ......................................................................................................... 20

Figure 3-8 Reset controlled by button................................................................................................... 21

Figure 3-9 Reset circuit with triode separating ..................................................................................... 21

Figure 3-10 N1reset sequence ............................................................................................................... 21

Figure 3-11 N1power-off sequence....................................................................................................... 22

Figure 3-12 VRTC design in the module .............................................................................................. 22

Figure 3-13 Battery connections ........................................................................................................... 24

Figure 4-1 Reference MIPI circuits with common mode chokes .......................................................... 26

Figure 4-2 N1LCD backlight chipset .................................................................................................... 27

Figure 4-3 Power supply of N1LCD driver........................................................................................... 27

Figure 4-4 Reference design of LCD interface ..................................................................................... 28

Figure 4-5 Reference design of TP interface......................................................................................... 30

Figure 4-6 Reference design of the main camera interface ................................................................... 32

Figure 4-7 Reference design of sub-camera interface ........................................................................... 33

Figure 4-8 Scan direction of 3264*2448 LCD ...................................................................................... 33

Figure 4-9 Reference design of customized camera.............................................................................. 34

Figure 4-10 Adjustment of camera sensor............................................................................................. 34

Figure 4-11 Reference design of the main camera power supply ......................................................... 35

Figure 4-12 Reference design of the main camera power supply ......................................................... 35

Figure 5-1 Reference design of MIC connection .................................................................................. 37

Figure 5-2 Reference design of EAR/SPK connections........................................................................ 38

Figure 5-3 Reference design of headphone without FM ....................................................................... 39

N1_Hardware_User_Guide

Figure 5-4 Headphone interface............................................................................................................ 39

Figure 6-1 USB circuit(without OTG) .................................................................................................. 41

Figure 6-2 USB circuit (with OTG) ...................................................................................................... 42

Figure 6-3 Reference design of SIM card interface .............................................................................. 42

Figure 6-4 Reference design of TF card interface................................................................................. 43

Figure 6-5 Reference design of the UART interface ............................................................................. 45

Figure 6-6 Reference design of I2C ...................................................................................................... 46

Figure 6-7 Reference design of the SPI................................................................................................. 46

Figure 6-8 Reference design of motor circuit ....................................................................................... 47

Figure 7-1 Reference of antenna matching design ................................................................................ 48

Figure 7-2 Recommended RF PCB design ........................................................................................... 48

Figure 7-3 Encapsulation specifications of Murata RF connector ........................................................ 49

Figure 7-4 RF connections .................................................................................................................... 49

Figure 7-5 Antenna layout..................................................................................................................... 50

Figure 7-6 Clearance around the antenna.............................................................................................. 50

Figure 7-7 GPS RF structure................................................................................................................. 51

Figure 7-8 Power supply reference for active antenna .......................................................................... 52

Figure 7-9 Passive GPS antenna design reference ................................................................................ 53

Figure 7-10 Reference design of the headphone circuit with FM function ........................................... 54

Figure 8-1 Reference design of the fastboot interface........................................................................... 55

N1_Hardware_User_Guide

Table of Tables

Table 1-1 N1 baseband and wireless features ......................................................................................... 2

Table 2-1 N1 dimensions ........................................................................................................................ 6

Table 2-2 N1 pin description................................................................................................................... 7

Table 4-1 WVGA LCD pin description ................................................................................................ 25

Table 4-2 720P LCD pin description..................................................................................................... 28

Table 4-3 TP pins .................................................................................................................................. 29

Table 4-4 Main camera pins.................................................................................................................. 31

Table 4-5 Sub-camera pins.................................................................................................................... 32

Table 5-1 Audio input pins.................................................................................................................... 37

Table 5-2 Audio output pins.................................................................................................................. 38

Table 5-3 Headphone pins .................................................................................................................... 38

Table 6-1 TF card pins .......................................................................................................................... 43

Table 6-2 GPIO pins ............................................................................................................................. 44

Table 6-3 ADC pin................................................................................................................................ 47

Table 8-1 Fastboot pins (en) ................................................................................................................. 55

Table 9-1 N1electricalfeature................................................................................................................ 56

Table 9-2 Temperature feature .............................................................................................................. 56

Table 9-3 N1 ESD feature..................................................................................................................... 57

Table 10-1 N1RF work band................................................................................................................. 58

Table 10-2 N1 WIFI/BT 2.4Gwork parameters .................................................................................... 58

Table 10-3 N1 GNSSwork parameters.................................................................................................. 59

Table 10-4 N1 RF power and RX sensitivity ........................................................................................ 59

N1_Hardware_User_Guide

vii

Revision Record

Version

Changes

Revised By

Date

V1.0

Initial draft

Tian

2016-01

V1.1

Added interface design

Tian

2016-06

V1.2

Modified the reflow temperature

2016-07

V1.3

Modified the description of battery design

Modified the parameters of power supply driver

Supplemented reference level

2016-08

V1.4

Added EU and NA frequency bands

Li,Qin

2016-09

V1.5

Added temperature range for limit work

Added work description of WIFI,BT,GPS

Added caution for some pin

Qin

2017-06

V1.6

Modified operating temperature range

Shen

2017-09

N1_Hardware_User_Guide

About This Document

This documentdetails the features, indicators, and reference standards of the N1 module and provides the

pin list and description. This user guide can help developers to complete wireless communication product

development on N1 easy.

1 Introduction to N1

1.1 Overview

N1is an industrial grade smart module that is developed on Qualcomm platform and supports Android OS

and windows 10. Its dimensions are 40mm x 40 mm x 2.8mm. It is well applicable to in-vehicle

computers, multimedia terminals, smart homes, IoT terminals, etc, with the following features:

Quad-core ARM Cortex-A7 processors, 1.3 GHz main frequency, 512KB L2 cache, 28 nm

8Gb LPDDR2 RAM; 8GB Nand Flash expandable up to 32 GB, eMMC interface,

GSM/WCDMA/HSPA+ (42 Mbps), CDMA2000/EV-DOrA, LTE Cat 4, WiFi 802.11b/g/n, BT4.0,

GPS/GLONASS/BEIDOU communications modes; FM radio

Android 5.1 OS

LCDdisplay with MIPI DSI interface, supporting at most 720*1280

MIPI dual-camera, among which the main camera supports at most 8MP, and the sub camera can

support at most 3MP

Multiple-channel audio I/O, supporting stereo headphone

USB2.0 high-speed serial port, SDIO3.0, 10-bit ADC, UART, SPI, I2C, PWM, GPIO, charging

management, etc.

N1 series include the following models:

Band

Model

LTE

B17

B19

B20

B38

B39

B40

B41

N1_CN

●

N1_EU

●

N1_NA

●

Band

Model

UMTS

CDMA

TD-SCDMA

GSM

BC0

B34

B39

850

900

1800

1900

N1_CN

●

N1_EU

●

N1_NA

●

N1_Hardware_User_Guide

CN: China EU: Europe NA: North America

1.2 Block Diagram

Figure 1-1 shows the block diagram of N1.

Figure 1-1 N1 block diagram

Power Management

RF Section

LCD

(MIPI)

Main/Sub

Cam

(MIPI)

USB/UART/SPI/I2C/GPIO/

PWM

Power

supply

input

Memory Baseband

DRX

GPS

Audio

2G/3G

/4G

BT /

Wi-Fi

ADC

Charge

Analog

interface

Digital interface

1.3 Features

Table 1-1 N1 baseband and wireless features

Specifications

Description

Power supply

VBAT: 3.5V to 4.2V, typical value 3.9V

Current

Flight mode: 2 mA

Sleeping mode: 4mA

Recommended

-35°C to +75°C

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