Samsung SGH-X430 Service Manual page 21

5. SGH-X430 Block Diagrams
2. Base Band Solution Block Diagram
GPRS
RS232
(Programmable
Peripheral I/O)
GPIO
X-TAL
32.768KHz
ARM
JTAG/ICE
POWER
(LDO,CHARGER,
SIM)
TRIDENT
ACC
IO
DSP16000
RWN
AB[8:0]
DB[15:0]
PPI INT1
IRQx
PAx
RSTB
ARM7TDMI
DSPJTAG
RTC
EMI
LCD
JTAG/ICE
KEYBOARD
SCRAM
FLASH
ROM
(32M)
(128M)
Memory part
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X-TAL
13MHz
CSP1093
IO
<RF DIRVER>
RWN
TXI/Q
AB[8:0]
RX I/Q
DB[15:0]
TXP
INT1
SERCK
IRQx
SERLE
PAx
SERDA
RSTB
OCTL
DAICK
JTAG
DAIRN
DAIDO
DAIDI
Audio Part
Keypad
5-2
TXIP
TXIN
TXQP
RF SOLUTION
TXQN
RXIP
- RF IC
RXIN
- PAM
RXQP
- MAIN VCO
RXQN
- TX VCO
SERCK
- IF VCO
SERLE
SERDA
RFOVL
TXP
OCTL
DAI
Audio
LCD
Motor
B'D B'D conn.