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3-2 Baseband Block Diagram
System
Clock
Memory
System
RAM 4M
System
memory
Flash
ROM 16M
EEPROM 128K
8M ROM (Voice
Recognition)
KeyPad
Graphic LCD
3-2
GSM/DCS
VOCODER
GSM/DCS
KERNEL 5
Charging Circuit
3.6V
Li_lon Battery (3.6V)
3.6V
Ni_MH Battery (3.6V)
SIM Card
Serial Data
Interface
I/O Interface
B.B Interface
A/D Interface
I/O BB Filter
AGC, AFC
RF Interface
DC/DC
Converter
LDO
Regulators
LDO
RTC VCC
3.3V
Regulator
+3V SIM Card
+5V SIM Card
Battery Voltage
Battery
Temperature
RF
3V Tx
3.0V
3V SYNTH
PLL
3V BRIGHT
3.0V
AVCC
VCC
BB
Samsung Electronics
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