Samsung SGH-X450 Service Manual page 20

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2. Base Band Solut ion Blo ck Diagr am
G PR S
R S232
( Pr ogr am m abl e
Per i pher al I / O )
G PI O
X- TAL
32. 768KH z
AR M
JTAG / I C E
PO W ER
( LD O , C H AR G ER ,
SI M )
T RIDENT
AC C
I O
D SP16000
R W N
AB[ 8: 0]
D B[ 15: 0]
I N T1
PPI
I R Q x
PAx
R STB
AR M 7TD M I
D SPJTAG
R TC
EMI
LC D
JTAG / I C E
KEYBO AR D
SC R AM
FLASH
R O M
( 32M )
( 128M )
M em or y par t
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
X- TAL
13M H z
CSP1093
I O
<R F D I R VER >
R W N
TXI / Q
AB[ 8: 0]
R X I / Q
D B[ 15: 0]
TXP
I N T1
SER C K
I R Q x
SER LE
PAx
SER D A
R STB
O C TL
D AI C K
JTAG
D AI R N
D AI D O
D AI D I
Audi o Par t
Keypad
5- 2
TXI P
TXI N
TXQ P
TXQ N
R F SO LU TI O N
R XI P
- R F I C
R XI N
- PAM
R XQ P
- M AI N VC O
R XQ N
- TX VC O
SER C K
- I F VC O
SER LE
SER D A
R FO VL
TXP
O C TL
D AI
Audi o
LC D
M ot or
B' D B' D conn.

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