Subscriber identity module data routing devices, methods for routing subscriber identity module data, control circuits, and methods for controlling a change of a routing

1. A subscriber identity module data routing device comprising:

a routing circuit configured to provide a routing of input data from a first subscriber identity module (SIM) to a first baseband; wherein the input data comprises at least one clock signal that is in a clock-stop mode for a pre-determined period of time;

a routing change feasibility determination circuit configured to determine based on the input data whether a change of the routing of input data is feasible, in response to receiving a request for the change of the routing; and

wherein the routing circuit is further configured to change the routing of input data of the first subscriber identity module to be routed from the first baseband to a second baseband if the routing change feasibility determination circuit determines that the change of the routing is feasible.

2. The subscriber identity module data routing device of claim 1 ,

wherein the routing change feasibility determination circuit is configured to determine that the change of the routing is feasible if the plurality of subscriber identity modules being in a pre-determined condition.

3. The subscriber identity module data routing device of claim 2 ,

wherein the pre-determined condition comprises a condition in which the plurality of subscriber identity modules completed execution of all commands that were received.

4. The subscriber identity module data routing device of claim 1 , wherein the routing change feasibility determination circuit is configured to determine that the change of the routing is feasible if the clock signal for the first subscriber identity module and the clock signal for the second subscriber identity module fulfill a pre-determined criterion.

5. The subscriber identity module data routing device of claim 1 ,

wherein the pre-determined period of time comprises a time corresponding to a pre-determined number of clock cycles.

6. The subscriber identity module data routing device of claim 1 ,

wherein the input data comprises a supply voltage for a first subscriber identity module and a supply voltage for a second subscriber identity module.

7. The subscriber identity module data routing device of claim 6 ,

wherein the routing change feasibility determination circuit is configured to determine that the change of the routing is feasible if the supply voltage for the first subscriber identity module and the supply voltage for the second subscriber identity module fulfill a pre-determined criterion.

8. The subscriber identity module data routing device of claim 7 ,

wherein the pre-determined criterion comprises that the supply voltage for the first subscriber identity module and the supply voltage for the second subscriber identity module are below a pre-determined threshold voltage.

9. The subscriber identity module data routing device of claim 1 , wherein the at least one clock signal comprises a clock signal for a first SIM and a clock signal for a second SIM.

10. A method for routing subscriber identity module data, the method comprising:

routing input data from a first subscriber identity module (SIM) to a first baseband by a routing circuit;

in response to receiving a request for a change of the routing, determining based on the input data whether the change of the routing of input data is feasible by a routing change feasibility determination circuit; wherein the input data comprises at least one clock signal that is in a clock-stop mode for a pre-determined period of time; and

changing the routing of input data to be routed from the first subscriber identity module from the first baseband to a second baseband by the routing circuit if the change of the routing is feasible.

11. The method of claim 10 , further comprising:

determining that the change of the routing is feasible if the plurality of subscriber identity modules are in a pre-determined condition.

12. The method of claim 11 ,

wherein the pre-determined condition comprises a condition in which the plurality of subscriber identity modules completed execution of all commands that were received.

13. The method of claim 10 , further comprising:

determining that the change of the routing is feasible if the clock signal for the first subscriber identity module and the clock signal for the second subscriber identity module fulfill a pre-determined criterion.

14. The method of claim 10 ,

wherein the pre-determined period of time comprises a time corresponding to a pre-determined number of clock cycles.

15. The method of claim 10 ,

wherein the input data comprises a supply voltage for a first subscriber identity module and a supply voltage for a second subscriber identity module.

16. The method of claim 15 , further comprising:

determining that the change of the routing is feasible if the supply voltage for the first subscriber identity module and the supply voltage for the second subscriber identity module fulfill a pre-determined criterion.

17. The method of claim 16 ,

wherein the pre-determined criterion comprises that the supply voltage for the first subscriber identity module and the supply voltage for the second subscriber identity module are below a pre-determined threshold voltage.

18. A control circuit comprising:

a routing change request output configured to output a request for changing a routing of input data of a first subscriber identity module (SIM) from a first baseband to be routed to a second baseband based on a received request and received input data, in response to receiving the request for the change of the routing of input data; wherein the input data comprises at least one clock signal that is in a clock-stop mode for a pre-determined period of time.

19. The control circuit of claim 18 ,

wherein the routing change request output is configured to output the request if the plurality of subscriber identity modules are in a pre-determined condition.

20. A method for controlling a change of a routing, the method comprising:

in response to receiving a request for changing a routing of input data, outputting a request by a routing change feasibility determination circuit for changing the routing of input data of a first subscriber identity module to be routed from a first baseband to a second baseband based on the received request and the received input data; wherein the input data comprises at least one clock signal that is in a clock-stop mode for a pre-determined period of time.

21. The method of claim 20 , further comprising:

outputting the request if the plurality of subscriber identity modules are in a pre-determined condition.