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4. Block Diagrams
4-1 Main Base Band
4-1
Block Diagrams
Battery
T
ype
Battery
V
oltage
T
emperature
3VTXRX
XVCC
LED 3V3
RTC VCC
A
Vcc LDO
Vcc LDO
Serial Data
Interface
I/O
Interface
A/D
Interface
AGC,AFC
PLL
Load S/W
Charging
Circuit
Li-Ion Battery
(Standard)
ONE C
VIBRA
T
O
R
SYSTEM CLOCK
(13MHz)
SRAM
EEPROM
RTC_CLOCK
(32.768KHz)
KEY_BOARD
SIM CARD
SPEAKER
MIC
BB INTERF
ACE
RF INTERF
ACE
Charging
Current
LCD
YMU