Sony Ericsson GS64 GSM, GSM, DCE, DTE, DCE, DTE, DTE, DTE, GSM, GSM, DCE, DCE, GR64, ENGINE, ENGINE, ENGINE, ENGINE

MS

SIM

DC

POWER

INTERFACE SYSTEM

SIM	GSM
	NETWORK

GSM

GSM

ENGINE

ENGINE

STATUS &

RESPONSE EMBEDDED

APPLICATION

DCE	DTE
DCE	DTE

COMMAND & CONTROL

Figure 2.2-1 Main Blocks in a Wireless System (embedded application)

MS

SIM

DC

POWER

STATUS &

RESPONSE

DTE

DTE

COMMAND & CONTROL

INTERFACE SYSTEM

SIM	GR64	GSM
		NETWORK

GSM

GSM

ENGINE

ENGINE

DCE

DCE

Figure 2.2-2 Main Blocks in a Wireless System (external micro-controller)

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