User's Manual

GE864- QUAD Har dwar e User Guide

1vv0300872 Rev.1 2010-04-02

For example:

Let us assume you need to drive the ON# pad with a totem pole output of a +3/5 V

micro controller (uP_OUT1):

Let us assume you need to drive the ON# pad dir ectly with an ON/OFF button:

5.2. Turning OFF the GE864- QUAD

The turning off of the device can be done in two ways:

via AT command (see GE864-QUAD Software User Guide)

by tying low pin ON#

Either ways, when the device issues a detach request to the networ k informing that

the device will not be reachable any more.

To tur n OFF the GE864-QUAD the pad ON# must be tied low for at least 2 seconds

and then released.

The same circuitr y and timing for the power on shall be used.

The device shuts down after the release of the ON# pad.