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10. BLOCK DIAGRAM
10.1. Baseband
13MHz_BB
R.F. Block
Control Signal
VBAT
Backlight
LED
VINNORP/N
MIC
VOUTNORP/N
Receiver
Phone
Voice
Analog
Jack
Switch
Data
VOUTLOUDP/N
Speaker
BBCLK
Buffer
VVCXO
RF Control Bus
GSM Analog
Baseband and
Codec & Power
TXIQ
Management
(AD6537)
RXIQ
Charging
Circuit
BACKLIGHT
LIGHT 1/2/3
AIN1P/1N
VBAT
AOUT1P/1N
TX/RX
VCORE
VMEM
VINAUXP/N
VEXT
AIN2P/2N
VEXT
VOUTAUXP
VSIM
AOUT3P/3N
VSIM
VRTC
PJ_FUNC_SEL
VABB
VABB
VVCXO
VVCXO
VMIC
AOUT2P/2N
VMIC
Keypad Data Bus
Keyboard
CLKIN
A,B,C Serial Port
EXTPWR
Over Voltage
Power Jack
Protect Circuit
GSM Digital
Baaseband
Processor
PMOSFET
Li-Ion
Battery
VCORE
VCC
VMEM
VMEM
VRTC
VRTC
RTC
Battery
PJ_FUNC_SEL
– 10-1 –
VBAT
Vibrator
GPIO12
USC Data Bus
Handfree Input
GPIO6
Address Bus
Data Bus
(AD6525)
LCD Control Bus
32.768 kHz
OSC
Crystal
SIM Interface
VSIM
GPIO13
TX/RX
HANDFREEIN
Memory
VMEM
Flash/SRAM
(32MB/4MB)
VMEM
LCD Module
RTC
SIM
Socket
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