Name: Neoway N21 Series
Brand: Neoway
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N21

Hardware User Guide

 The picture above is only for reference.

 The silk-screen printing must be clear. No blur is allowed.

 The material and surface finishing must comply with RoHS directives.

6.3 Package

N21 modules are packed in sealed bags on delivery to guarantee a long shelf life. Follow the same

package of the modules again in case of opened for any reasons.

N21 is a level 3 moisture-sensitive electronic elements, in compliance with IPC/JEDEC J-STD-020

standard.

Table of Contents3
About this Document8
Scope8
Audience8
Revision History8
Symbols and Conventions9
Related Documents9
About N2110
Product Overview10
Block Diagram10
Table 1-1 Variants and Bands10
Basic Features11
Figure 1-1 Block Diagram11
Module Pins13
Pad Layout13
Figure 2-1 Pin Definition of N2113
Pin Description14
Table 2-1 IO Definition14
Table 2-2 Pin Description14
Application Interfaces16
Power Supply16
Vbat16
Figure 3-1 Recommended Circuit Design 117
Figure 3-2 Recommended Schematic Design 218
Vddio_2P819
Control Interfaces19
Pwrkey_N19
Figure 3-3 Reference Design of Startup Controlled by Button20
Figure 3-4 Reference Design of Startup Controlled by MCU20
Figure 3-5 Reference Design of Automatic Start Once Powered up20
Figure 3-6 Startup Timing21
Reset_N22
Figure 3-7 Shutdown Timing22
Figure 3-8 Reset Controlled by Button22
Peripheral Interfaces23
Figure 3-9 Reset Circuit with Triode Separating23
Figure 3-10 Reset Timing of N2123
Uart24
Figure 3-11 UART Connection24
Figure 3-12 Recommended Level Shifting Circuit 125
Figure 3-13 Recommended Level Shifting Circuit 225
Usim27
Figure 3-14 Recommended Level Shifting Circuit 327
Figure 3-15 Reference Design of USIM Card Interface28
RF Interface29
Antenna Design29
Figure 3-16 L Network29
Figure 3-17 T Network29
Figure 3-18 Pi Network30
Figure 3-19 Recommended RF PCB Design30
Antenna Assembling31
Figure 3-20 Specifications of MM9329-2700RA131
Figure 3-21 RF Connections31
Other Interfaces32
Wakeup32
Net_Light32
Figure 3-22 Reference Design of WAKEUP32
Figure 3-23 Driving LED Directly32
Status33
Figure 3-24 Driving LED with a Triode33
Electric Feature and Reliability34
Nominal Values34
Current Features34
Table 4-1 Operating Conditions of N2134
Table 4-2 Current Consumption of N21 (Typical)34
Temperature Feature35
ESD Protection35
Table 4-3 Temperature Features of N2135
Table 4-4 N21 ESD Protection35
RF Features36
Operating Bands36
TX Power and RX Sensitivity36
Table 5-1 Operating Bands of N2136
Table 5-2 RF TX Power of N2136
Table 5-3 RX Sensitivity of N21 Cat NB136
Mechanical Features37
Dimensions37
Label37
Figure 6-1 N21 Dimensions (Unit: MM)37
Package38
Mounting N21 Onto Application Board40
Bottom Dimensions40
Application Foot Print41
Stencil41
Solder Paste41
SMT Profile42
Safety Recommendations43
A Conformity and Compliance44
Approvals44
Chinese Notice44
CCC Class a Digital Device Notice44
Environmental Protection Notice44
American Notice44
Modify45
FCC Class a Digital Device Notice45
FCC Class B Digital Device Notice45
B Abbreviation46

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Neoway N21 Series Specifications

General

Brand	Neoway
Model	N21 Series
Category	Control Unit
Language	English

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Neoway N21 Series User Manual

Table of Contents

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Neoway N21 Series Specifications

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