User's Manual

Note d‘étude / Technical document :
URD1– OTL 5696.1– 003 / 72361 Edition 02
HILO 3G Application Note
17 January 2011 - Page 26 / 38
VBACKUP raise to 3V
PWON raise to 1.8V
4.3 Power on and Sleep Diagrams
Those 2 diagrams show the behaviors of the module and the DTE during the power on and then in the sleep modes.
Note: The module cannot enter sleep mode if USB bus is connected.
Figure 26: Diagram for the power on