Download Micro-Spider-ORG4475-Datasheet1

17.4.3.
17.4.4.
17.5.
17.5.1.
17.5.2.
17.5.3.
18.
18.1.
18.2.
18.3.
18.4.
19.
19.1.
19.2.
19.3.
19.4.
19.5.
20.
21.
21.1.
21.2.
21.3.
21.3.1.
21.3.2.
21.3.3.
21.4.
22.
22.1.
22.2.
23.
23.1.
23.2.
23.3.
23.4.
23.5.
23.6.
24.
25.
26.
26.1.
26.2.
26.3.
27.
RESET .................................................................................................................................................................. 21
1PPS .................................................................................................................................................................... 21
DATA INTERFACE ................................................................................................................................................ 22
UART ................................................................................................................................................................... 22
SPI ....................................................................................................................................................................... 22
2
I C ........................................................................................................................................................................ 22
TYPICAL APPLICATION CIRCUIT ........................................................................................................................... 23
PASSIVE ANTENNA .............................................................................................................................................. 23
PASSIVE ANTENNA WITH EXTERNAL LNA ........................................................................................................... 23
ACTIVE ANTENNA ............................................................................................................................................... 23
ANTENNA SWITCH .............................................................................................................................................. 23
RECOMMENDED PCB LAYOUT ............................................................................................................................ 24
FOOTPRINT ......................................................................................................................................................... 24
HOST PCB ............................................................................................................................................................ 25
RF TRACE ............................................................................................................................................................. 25
PCB STACK-UP ..................................................................................................................................................... 25
PCB LAYOUT RESTRICTIONS ................................................................................................................................ 25
DESIGN CONSIDERATIONS .................................................................................................................................. 26
OPERATION ......................................................................................................................................................... 27
STARTING THE MODULE ..................................................................................................................................... 27
AUTONOMOUS POWER ON ................................................................................................................................ 28
VERIFYING THE MODULE HAS STARTED ............................................................................................................. 28
UART ................................................................................................................................................................... 28
2
I C ........................................................................................................................................................................ 28
SPI ....................................................................................................................................................................... 28
SHUTTING DOWN THE MODULE ........................................................................................................................ 28
FIRMWARE .......................................................................................................................................................... 29
DEFAULT SETTINGS ............................................................................................................................................. 29
FIRMWARE UPDATES .......................................................................................................................................... 29
HANDLING INFORMATION .................................................................................................................................. 30
MOISTURE SENSITIVITY....................................................................................................................................... 30
ASSEMBLY ........................................................................................................................................................... 30
REWORK.............................................................................................................................................................. 30
ESD SENSITIVITY .................................................................................................................................................. 30
SAFETY INFORMATION ....................................................................................................................................... 30
DISPOSAL INFORMATION ................................................................................................................................... 30
MECHANICAL SPECIFICATIONS ........................................................................................................................... 31
COMPLIANCE ...................................................................................................................................................... 31
PACKAGING AND DELIVERY ................................................................................................................................ 32
APPEARANCE ...................................................................................................................................................... 32
CARRIER TAPE ..................................................................................................................................................... 33
REEL .................................................................................................................................................................... 33
ORDERING INFORMATION .................................................................................................................................. 34
Micro Spider - ORG4475 Datasheet
Revision 2.0
Page 3 of 34
April 1, 2014