Product Manual

MeiGProductManualofSLM750Module
SLM750ModuleHardwareDesign Page 36, total 84 pages
Figure 7 Turn on the module using driving circuit
The other way to control the PWRKEY is using a button directly. A TVS component is
indispensable to be placed nearby the button for ESD protection. A reference circuit is shown in the
following figure:
Figure 8 Turn on the module using keystroke
Turning on time is illustrated as follows: