User Guide

4. Block Diagrams
4-1 Main Baseband
Block Diagrams 4-1
Battery
Type
Battery Voltage Battery
Temperature
3VTX XVCC
RTC_3V3
Serial Data
Interface
I/O
Interface
A/D
Interface
AGC,AFC
PLL
LOAD
SWITCH
Charging
Circuit
Li-Ion Battery
(Standard)
ONE C
VIBRATOR
SYSTEM CLOCK
(13MHz)
SRAM
FLASH
EEPROM
RTC_CLOCK
(32.768KHz)
KEYPAD
SIM CARD
SPEAKER
MIC
LCD
BB INTERFACE
RF INTERFACE
ALERT_VCC
AVCC
VCC
3VRF