Neoway N21 Series Hardware User's Manual

Neoway N21 Series Hardware User's Manual Manual pdf 3 page image

N21Hardware User GuideCopyright © Neoway Technology Co., Ltd. All rights reserved. iiContentsAbout This Document .................................................................................. viiScope ................................................................................................................................................ viiAudience ........................................................................................................................................... viiRevision History ................................................................................................................................ viiSymbols and Conventions ............................................................................................................... viiiRelated Documents .......................................................................................................................... viii1 About N21 .................................................................................................. 11.1 Product Overview ......................................................................................................................... 11.2 Block Diagram .............................................................................................................................. 11.3 Basic Features ............................................................................................................................. 22 Module Pins ............................................................................................... 42.1 Pad Layout ................................................................................................................................... 42.2 Pin Description ............................................................................................................................. 53 Application Interfaces ................................................................................ 73.1 Power Supply ............................................................................................................................... 73.1.1 VBAT.................................................................................................................................... 73.1.2 VDDIO_2P8 ....................................................................................................................... 103.2 Control Interfaces ....................................................................................................................... 103.2.1 PWRKEY_N ...................................................................................................................... 103.2.2 RESET_N .......................................................................................................................... 133.3 Peripheral Interfaces .................................................................................................................. 143.3.1 UART ................................................................................................................................. 153.3.2 USIM .................................................................................................................................. 183.4 RF Interface................................................................................................................................ 203.4.1 Antenna Design ................................................................................................................. 203.4.2 Antenna Assembling .......................................................................................................... 223.5 Other Interfaces ......................................................................................................................... 233.5.1 WAKEUP ........................................................................................................................... 233.5.2 NET_LIGHT ....................................................................................................................... 233.5.3 STATUS ............................................................................................................................. 244 Electric Feature and Reliability ................................................................ 254.1 Nominal Values .......................................................................................................................... 254.2 Current Features ........................................................................................................................ 254.3 Temperature Feature .................................................................................................................. 264.4 ESD Protection ........................................................................................................................... 265 RF Features............................................................................................. 275.1 Operating Bands ........................................................................................................................ 275.2 TX Power and RX Sensitivity ..................................................................................................... 276 Mechanical Features ............................................................................... 28