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5-1
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5. SGH-N620E Block Diagrams
1. Main Baseband
SYSTEM CLOCK
(13MHz)
SRAM
FLASH
EEPROM
RTC_CLOCK
(32.768KHz)
KEYPAD
LCD
ONE C
Li-ion BATT
(STANDARD)
CHARGING
CIRCUIT
SIM CARD
BATTERY TYPE
BATTERY
VOLTAGE
PHONE
TEMPRATURE
CHARGING
CURRENT
XVCC
3VRF
VDD3.0
AVCC2.5
LVCC
PLL
AFC
A/D
INTERFACE
I/O
INTERFACE
SERIAL DATA
INTERFACE
RF INTERFACE
BB INTERFACE
MIC
SPEAKER
RTC_VCC
LED3V3