unicore UM220-IV NL, Инструкция по установке и эксплуатации, Страница: 5 / 23

UM220-IV NL User Manual
I
Contents
1 Introduction ................................................................................ 1
1.1 Overview ........................................................................................................ 1
1.2 Key Features .................................................................................................. 2
1.3 Interface ......................................................................................................... 3
2 Product Installation ................................................................... 4
2.1 Installation Preparation ................................................................................. 4
2.2 Hardware Installation .................................................................................... 5
3 Technical Specifications ........................................................... 6
3.1 Electrical Specifications ................................................................................ 6
3.2 Operation Condition ....................................................................................... 6
3.3 Dimensions .................................................................................................... 7
3.4 Pin Definition (Top View) ............................................................................... 8
3.5 PCB Packaging .............................................................................................. 9
4 Hardware Design ..................................................................... 10
4.1 Design in Considerations............................................................................. 10
4.2 Avoid Power Leakage .................................................................................. 11
4.3 Power Supply Requirements ....................................................................... 11
4.3.1 Main Supply (VCC) ................................................................................................ 11
4.3.2 Backup Supply (V_BCKP) ..................................................................................... 11
4.4 Antenna ........................................................................................................ 12
4.5 Reset ............................................................................................................ 13
4.6 Serial Port .................................................................................................... 13
5 Disassembly ............................................................................. 14
6 Package.................................................................................... 14
6.1 Product Label Description ........................................................................... 14
6.2 Package Description .................................................................................... 14
7 Clean ........................................................................................ 16
8 Reflow Soldering ...................................................................... 17