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4. Block Diagrams
4-1 Main Baseband
Block Diagrams
4-1
Batter
y
T
ype
Batter
y
V
oltage
Batter
y
T
emper
ature
3V
AER
O
R
TC_3V3
Ser
ial Data
Interf
ace
I/O
Interf
ace
A/D
Interf
ace
AFC
PLL
LO
AD
SWITCH
Charging
Circuit
Li-Ion Batter
y
(Standard)
ONE C
VIBRA
T
O
R
SYSTEM CLOCK
(13MHz)
SRAM
FLASH
EEPR
OM
R
TC_CLOCK
(32.768KHz)
KEYP
AD
SIM CARD
SPEAKER
MIC
LCD
BB INTERF
A
C
E
RF INTERF
A
C
E
LVCC
A
VCC
VDD3.0
3VRF