User Guide

ME310G1 Hardware Design Guide
1VV0301588 Rev. 11 Page 4 of 91 2021-03-16
LGA Pads Layout .................................................................... 23
POWER SUPPLY .................................................................... 24
Power Supply Requirements ................................................. 24
Power Consumption .............................................................. 25
Idle mode ............................................................................... 25
ME310G1-W1 Connected Mode ............................................. 26
ME310G1-WW and ME310G1-WWV Connected Mode ........... 27
ME310G1-W2 Connected Mode ............................................. 28
General Design Rules ............................................................ 28
Electrical Design Guidelines ................................................. 28
4.3.1.1. +5V Source Power Supply Design Guidelines ....................... 28
4.3.1.2. +12V Source Power Supply Design Guidelines ..................... 29
4.3.1.3. Battery Source Power Supply Design Guidelines ................. 30
Thermal Design Guidelines ................................................... 32
Power Supply PCB layout Guidelines .................................... 32
RTC Supply ............................................................................. 33
PWRMON Power-on monitor................................................. 33
DIGITAL SECTION ................................................................. 35
Logic Levels ........................................................................... 35
Power On ................................................................................ 36
Power Off ............................................................................... 37
Unconditional shutdown ........................................................ 38
Wake up from deep sleep mode ............................................ 39
Fast shut down ....................................................................... 39
Fast shut down by hardware ................................................. 40
Fast shut down by software ................................................... 40
Communication ports ............................................................ 41
USB 2.0 HS ............................................................................. 41
SPI .......................................................................................... 41