Neoway N21 Series - Table of Contents

N21
Hardware User Guide
Copyright © Neoway Technology Co., Ltd. All rights reserved.
ii
Contents
About This Document .................................................................................. vii
Scope ................................................................................................................................................ vii
Audience ........................................................................................................................................... vii
Revision History ................................................................................................................................ vii
Symbols and Conventions ............................................................................................................... viii
Related Documents .......................................................................................................................... viii
1 About N21 .................................................................................................. 1
1.1 Product Overview ......................................................................................................................... 1
1.2 Block Diagram .............................................................................................................................. 1
1.3 Basic Features ............................................................................................................................. 2
2 Module Pins ............................................................................................... 4
2.1 Pad Layout ................................................................................................................................... 4
2.2 Pin Description ............................................................................................................................. 5
3 Application Interfaces ................................................................................ 7
3.1 Power Supply ............................................................................................................................... 7
3.1.1 VBAT .................................................................................................................................... 7
3.1.2 VDDIO_2P8 ....................................................................................................................... 10
3.2 Control Interfaces ....................................................................................................................... 10
3.2.1 PWRKEY_N ...................................................................................................................... 10
3.2.2 RESET_N .......................................................................................................................... 13
3.3 Peripheral Interfaces .................................................................................................................. 14
3.3.1 UART ................................................................................................................................. 15
3.3.2 USIM .................................................................................................................................. 18
3.4 RF Interface ................................................................................................................................ 20
3.4.1 Antenna Design ................................................................................................................. 20
3.4.2 Antenna Assembling .......................................................................................................... 22
3.5 Other Interfaces ......................................................................................................................... 23
3.5.1 WAKEUP ........................................................................................................................... 23
3.5.2 NET_LIGHT ....................................................................................................................... 23
3.5.3 STATUS ............................................................................................................................. 24
4 Electric Feature and Reliability ................................................................ 25
4.1 Nominal Values .......................................................................................................................... 25
4.2 Current Features ........................................................................................................................ 25
4.3 Temperature Feature .................................................................................................................. 26
4.4 ESD Protection ........................................................................................................................... 26
5 RF Features ............................................................................................. 27
5.1 Operating Bands ........................................................................................................................ 27
5.2 TX Power and RX Sensitivity ..................................................................................................... 27
6 Mechanical Features ............................................................................... 28