unicore UM220-IV M0, Инструкция по установке и эксплуатации, Страница: 5 / 21

UM220-IV M0 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
4 Hardware Design ....................................................................................... 9
4.1 Design in Considerations............................................................................... 9
4.2 Power Supply Requirements ....................................................................... 10
4.2.1 Main Supply (VCC) ................................................................................................ 10
4.2.2 Backup Supply (V_BCKP) ..................................................................................... 10
4.3 Avoid Leakage Power .................................................................................. 10
4.4 Antenna ........................................................................................................ 11
4.5 Reset ............................................................................................................ 12
4.6 Serial Port .................................................................................................... 12
5 Disassembly ............................................................................................ 13
6 Package ................................................................................................... 13
6.1 Product Label Description ........................................................................... 13
6.2 Package Description .................................................................................... 13
7 Clean ....................................................................................................... 15
8 Reflow Soldering ..................................................................................... 15