Siemens TC63 Benutzerhandbuch

s

TC63_ATC_V00.490

Page 447 of 501

5/24/05

Confidential / Draft - Do not copy

The 

 command serves to configure the SYNC pin of the application interface. Please note that the

SYNC pin may be assigned different functions: Depending on the design of the host application, the pin can

either be used to indicate the current consumption in a transmit burst or to drive a status LED connected to the

pin as specified in 

. For detailed information on the SYNC pin and its LED functionality refer to 

. Before

changing the mode of the SYNC pin, carefully read the technical specifications. 

Operation mode of the SYNC pin. Setting is stored non-volatile. 
0

(D)

SYNC mode:

Enables the SYNC pin to indicate growing power consumption during a trans-

mit burst. You can make use of the signal generated by the SYNC pin, if power

consumption is your concern. To do so, ensure that your application is capable

of processing the signal. Your platform design must be such that the incoming

signal causes other components to draw less current. In short, this allows your

application to accommodate current drain and thus, supply sufficient current to

the GSM engine if required.

1

LED  mode:

Enables the SYNC pin to drive a status LED installed in your application

according to the specifications provided in 

The coding of the LED is described in Section 

2

LED  mode:

Like 

=1, but, additionally, enables different LED signalization in SLEEP

mode depending on the status of PIN authentication and network registration.

Please see 

 for details on SLEEP mode. 

Test Command

AT^SSYNC=?

Response(s)

^SSYNC:

list of supported 

s 

OK

Read Command

AT^SSYNC?

Response(s)

OK

Write Command

Response(s)

OK

Reference(s)

PIN

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

4

Last

SIEMENS

!

%

%

%

%

%

%

!

!

!

<mode>

(num)