M20 Hardware Design
The charging process is shown in Figure 15.
Figure 15: Normal charging process diagram
3.5.4 Operating modes during charging
The battery can be charged in various working modes such as SLEEP, TALK and GPRS DATA.
It is named as Charging mode.
When a charger is connected to the module’s VCHG pin, the battery is connected to the VBAT
pin and the module is in POWER DOWN mode, the module enters the GHOST mode (Off and
charging). The following table gives the differences between Charging mode and GHOST mode.
M20_HD_V1.01 - 38 -
To Next Page
Loading...
