User's Manual

GE864- QUAD Har dwar e User Guide
1vv0300872 Rev.1 2010-04-02
- All Rights Reserved. Page 62 of 77
12.11. RTC Bypass Out
The VRTC pin brings out the Real Time Clock supply, which is separ ate from the rest
of the digital par t, allowing having only RTC going on when all the other parts of the
device are off.
To this power output a backup capacitor can be added in order to incr ease the RTC
autonomy dur ing power off of the battery. NO Devices must be powered from this pin.
12.12. VAUX1 Power Output
A regulated power supply output is provided in order to supply small devices from
the module.
This output is active when the module is ON and goes OFF when the module is shut
down.
The operating range characteristics of the supply are:
Oper ating Range – VAUX1 power supply
Min
Typical
Max
Output vol tage
2.75V
2.85V
2.95V
Output curr ent
100mA
Output bypass capacitor
(inside the modul e)
2.2μF