User Guide

4. Block Diagrams
4-1 Main Base Band
4-1 Block Diagrams
Battery
Type
Battery Voltage Battery
Temperature
AGC,AFC
PLL
DC/DC
CONVERTER
Charging
Circuit
Li-Ion Battery
(Slim,Standard)
ONE C
VIBRATOR
SYSTEM CLOCK
(13MHz)
SRAM
FLASH1 FLASH2
EEPROM
RTC_CLOCK
(32.768KHz)
KEY_BOARD
SIM CARD
SPEAKER
MIC
LCD
RF INTERFACE
3VTX XVCC
3VRF
RTC_3V3 RTC_VCC
3VBANDSEL
AVCC
VCC
Serial Data
Interface
I/O
Interface
A/D
Interface
BB INTERFACE