Samsung SGH-X105 Service Manual page 28

SGH- X105 Block Diagrams
2. Base Band Solut ion Bloc k Diagram
G PR S
R S232
( Pr ogr am m abl e
Per i pher al I / O )
G PI O
X- TAL
32. 768KHz
AR M
JTAG / I C E
PO W ER
( DC / D C, C HARG ER,
SI M )
T RIDENT
AC C
I O
D SP16000
RW N
AB[ 8: 0]
DB[ 15: 0]
I NT1
PPI
I RQ x
PAx
R STB
ARM 7TDM I
D SPJTAG
R TC
EMI LCD
JTAG / I C E
KEYBO ARD
SR AM
FLASH
R O M
( 16M )
( 128M )
M em or y par t
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X- TAL
13M Hz
CSP1093
I O
<R F DI R VER>
RW N
TXI / Q
AB[ 8: 0]
R X I / Q
DB[ 15: 0]
TXP
I NT1
SER C K
I RQ x
SER LE
PAx
SER D A
R STB
O CTL
D AI C K
JTAG
D AI R N
D AI D O
D AI D I
Audi o Par t
B' D B' D conn.
5- 2
TXI P
TXI N
TXQ P
R F SO LUTI O N
TXQ N
R XI P
- R F I C
R XI N
- PAM
R XQ P
- M AI N VCO
R XQ N
- TX VC O
SER CK - I F VC O
SER LE
SER DA
R FO VL
TXP
O CTL
D AI
Audi o
LCD
Keypad
C CD
CC D conn.