WE866 HW User Guide
1VV0301330 Rev. 3
Page
6
of
54
2018-03-13
5.
DIGITAL SECTION .................................................................... 22
Logic Levels ................................................................................ 22
Power On.................................................................................... 22
Power Off.................................................................................... 23
Low power deep sleep ................................................................ 24
Hibernate .................................................................................... 24
Shutdown.................................................................................... 24
Communication ports .................................................................. 25
5.7.1.
SPI.............................................................................................. 25
5.7.2.
UART .......................................................................................... 26
6.
RF SECTION .............................................................................. 28
Bands Variants ........................................................................... 28
TX Output power ......................................................................... 29
RX Sensitivity ............................................................................. 30
Antenna requirements................................................................. 30
6.4.1.
PCB Design guidelines ............................................................... 31
6.4.2.
PCB Guidelines in case of FCC Certification .............................. 32
7.
MECHANICAL DESIGN ............................................................. 33
Drawing ...................................................................................... 33
8.
APPLICATION PCB DESIGN .................................................... 34
Footprint ..................................................................................... 34
PCB pad design .......................................................................... 36
PCB pad dimensions .................................................................. 36
Stencil ......................................................................................... 37
Solder paste ............................................................................... 38
Solder Reflow ............................................................................. 38
9.
PACKAGING .............................................................................. 40
Tray ............................................................................................ 40
Reel ............................................................................................ 41
Moisture sensitivity ..................................................................... 43
10.
CONFORMITY ASSESSMENT ISSUES .................................... 44
FCC/IC Regulatory notices ......................................................... 44
2014/53/EU
Directive
.................................................................... 47
11.
SAFETY RECOMMENDATIONS................................................ 50
READ CAREFULLY .................................................................... 50
Содержание WE866
Страница 1: ...04 2016 Mod 0805 2016 08 Rev 5 WE866 HW User Guide 1VV0301330 Rev 3 2018 03 13 13...
Страница 4: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 4 of 54 2018 03 13 APPLICABILITY TABLE PRODUCTS WE866A1 P...
Страница 7: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 7 of 54 2018 03 13 12 ACRONYMS 51 13 DOCUMENT HISTORY 53...
Страница 10: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 10 of 54 2018 03 13 Related Documents...
Страница 32: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 32 of 54 2018 03 13 6 4 2 PCB Guidelines in case of FCC Certification...
Страница 33: ...WE866 HW User Guide 1VV0301330 Rev 3 Page 33 of 54 2018 03 13 7 MECHANICAL DESIGN Drawing...
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