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4. Block Diagrams
4-1 Main Base Band
Batter
y
T
ype
Batter
y
V
oltage
Batter
y
T
emper
ature
A
G
C
,AFC
PLL
DC/DC
CONVER
TER
Charging
Circuit
Li-Ion Batter
y
(Slim,Standard)
ONE C
VIBRA
T
O
R
SYSTEM CLOCK
(13MHz)
EEPR
OM
R
TC_CLOCK
(32.768KHz)
KEY_BO
ARD
SIM CARD
RECEIVER
MIC
LCD
RF INTERF
A
C
E
3VTX
XVCC
3VRF
R
TC_3V3
R
TC_VCC
3VBANDSEL
A
VCC
VCC
Ser
ial Data
Interf
ace
I/O
Interf
ace
A/D
Interf
ace
BB INTERF
A
C
E
MELOD
Y IC
(16 P
oly)
SPEAKER
SRAM
(8M bit)
FLASH
(64M bit)
4-1
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