and or decompression of video data can be processed more quickly application_number US 93305604 A description the baseband chip illustrated in the present example is a gsm e gprs baseband controller that contains an application subsystem the subsystems thereof are the application subsystem the modem controller subsystem and the dsp subsystem these subsystems are in the form of embedded systems in the present example the application subsystem comprises a microprocessor mpu that is used as the application processor 1 ap and a set of peripheral components which are mainly used for applications the main task of the ap is to operate the application operating system os which contains the user interface mmi man machine interface and the applications the application processor 1 is connected to an instruction cache memory i cache and to a data cache memory d cache the modem controller subsystem comprises a second microprocessor mpu which is used as a modem controller 2 or modem processor mc and a set of peripheral components which are mainly used for system control and for modem support the main task of the mc is to process the gsm e gprs protocol stack ps the modem controller 2 is also connected to an instruction cache memory i cache and to a data cache memory d cache the dsp subsystem comprises a dsp 3 digital signal processor and a set of peripheral components and accelerators which are employed for the modem functionality the main task of the dsp is to process the channel and.