User's Guide

WL865E4-P Module Hardware User Guide
1VV0301580 Rev. 4 Page 5 of 56 2019-08-08
Contents
NOTICE 2
COPYRIGHTS ................................................................................................ 2
COMPUTER SOFTWARE COPYRIGHTS ...................................................... 2
USAGE AND DISCLOSURE RESTRICTIONS ............................................... 3
I. License Agreements ..................................................................... 3
II. Copyrighted Materials ................................................................... 3
III. High Risk Materials ....................................................................... 3
IV. Trademarks .................................................................................. 3
V. Third Party Rights ......................................................................... 3
APPLICABILITY TABLE (REMOVE UNUSED) ............................................. 4
CONTENTS .................................................................................................... 5
1. INTRODUCTION .......................................................................... 8
Scope ........................................................................................... 8
Audience....................................................................................... 8
Contact Information, Support ........................................................ 8
Text Conventions .......................................................................... 9
Related Documents .................................................................... 10
2. OVERVIEW ................................................................................ 11
3. PINS ALLOCATION ................................................................... 13
Pin-out Table .............................................................................. 13
Pads Layout ................................................................................ 17
4. POWER SUPPLY ....................................................................... 18
Power Supply Requirements ....................................................... 18
General Design Rules ................................................................. 20
5. DIGITAL SECTION .................................................................... 21
Logic Levels ................................................................................ 21
Power Up/Down Sequence ......................................................... 22
5.2.1. Power-on reset timing ................................................................. 22
Unconditional Shutdown ............................................................. 22
Periferals Interface Summary ...................................................... 23