User's Manual

L811-EA Module Hardware User Manual Page
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Content
1 Foreword.................................................................................................................................................................... 6
1.1 Introduction.....................................................................................................................................................6
1.2 Reference Standard......................................................................................................................................6
2 Product Overview..................................................................................................................................................... 8
2.1 Description......................................................................................................................................................8
2.2 Specifications................................................................................................................................................. 8
2.3 Appearance.................................................................................................................................................. 13
3 Structure...................................................................................................................................................................14
3.1 Dimension Diagram of Structure.............................................................................................................. 14
3.2 Recommended PCB Layout Design........................................................................................................ 15
4 Hardware Introduction........................................................................................................................................... 17
4.1 Pin Definition................................................................................................................................................ 17
4.1.1 Pin Map............................................................................................................................................. 17
4.1.2 Description of Pins...........................................................................................................................18
5 Hardware Interface.................................................................................................................................................24
5.1 Power Interface........................................................................................................................................... 24
5.1.1 Power Supply................................................................................................................................... 24
5.1.2 VSD2_1V8........................................................................................................................................ 24
5.1.3 VRTC................................................................................................................................................. 25
5.2 Power on/off and Reset Signal................................................................................................................. 26
5.2.1 Power on /off Signal........................................................................................................................ 26
5.2.1.1 Power on................................................................................................................................26
5.2.1.2 Power off................................................................................................................................27
5.2.1.3 The Recommended Design of Power on/off................................................................... 28
5.2.2 RESET Signal.................................................................................................................................. 28
5.3 Status Indicating Signals........................................................................................................................... 29
5.3.1 CORE DUMP Indicating................................................................................................................. 29
5.3.2 LPG Signal........................................................................................................................................29
5.3.3 WAKEUP_HOST Signal................................................................................................................. 30
5.3.4 PA_BLANKING Signal....................................................................................................................30
5.4 Interrupt Control Signal.............................................................................................................................. 31
5.4.1 WAKE_UP Signal............................................................................................................................ 31