Sony Ericsson GS64 - Manual (Page 12)

LZT 123 1836 12
SIM
SIM
GSM
ENGINE
GSM
ENGINE
DCE
DCE
DTE
DTE
SY
STEM
IN
TERFACE
DC
POWER
STATUS &
RESPONSE
COMMAND
& CONTROL
EMBEDDED
APPLICATION
MS
GSM
NETWORK
SIM
SIM
GSM
ENGINE
GSM
ENGINE
DCE
DCE
DTE
DTE
SY
STEM
IN
TERFACE
DC
POWER
STATUS &
RESPONSE
COMMAND
& CONTROL
EMBEDDED
APPLICATION
MS
GSM
NETWORK
Figure 2.2-1 Main Blocks in a Wireless System (embedded application)
SIM
SIM
GSM
ENGINE
GSM
ENGINE
DCE
DCE
DTE
DTE
S
Y
STEM I
N
TERFACE
STATUS &
RESPONSE
COMMAND
& CONTROL
MS
GSM
NETWORK
DC
POWER
GR64
SIM
SIM
GSM
ENGINE
GSM
ENGINE
DCE
DCE
DTE
DTE
S
Y
STEM I
N
TERFACE
STATUS &
RESPONSE
COMMAND
& CONTROL
MS
GSM
NETWORK
DC
POWER
GR64
Figure 2.2-2 Main Blocks in a Wireless System (external micro-controller)