Table of Contents
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UM982eb User Manual
1
Product Overview ......................................................................................... 1
2
Interfaces...................................................................................................... 4
3
Power Supply ............................................................................................... 6
3.1
3.3V LDO Power Supply .................................................................................................. 7
3.2
5V DC/DC Power Supply ................................................................................................. 8
3.3
Backup Power Supply ...................................................................................................... 9
4
Antenna circuit ........................................................................................... 10
4.1
Antenna Short Protection Circuit .................................................................................. 10
4.2
Antenna Feed Circuit ..................................................................................................... 11
5
LED Indicators ............................................................................................ 12
6
UM982 Peripheral Design .......................................................................... 14
7
Debug Support ........................................................................................... 16
Appendix ........................................................................................................... 17
Contents
I
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Table of Contents
