Samsung SGH-E330N Service Manual page 24

Block Diagrams
5-2. Base Band Solution Block Diagram
R E C E I V E R
M E L O D Y I C
( 4 0 P o l y )
S P E A KE R
V I B R A T O R
M I C
SY S T E M C L O C K
( 1 3 M H z )
KEY
C A M E R A
M V 3 1 7
L C D
O M 6 3 5 9
M E M O R Y
N A N D ( 1 2 8 M b )
N O R ( 1 2 8 M b )
S R A M ( 6 4 M b )
L i - I o n B a t t
Ch a r g i n g C i r c u i t
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R F I N T E R F A C E
e r y
R T C _ CL O C K
( 3 2 . 7 6 8 KH z )
B B B l o c k D i a g r a m o f S G H - E 3 3 0 N
5-2
B B I N T E R F A C E
Se r i a l D a t a
I n t e r f a c e
I / O
I n t e r f a c e
A / D
I n t e r f a c e
A F C
R A M P
P M U
S I M C A R D
B a t t e r y
T y pe
B a t t e r y
V ol t a g e
B a t t e r y
Te m p e r a t u r e
V C C _ C P
V C C _ S Y N
V C C _ R X _ T X
V C C _ R F _ V C O
V C C _ T X _ B U R S T
V D D 1
V D D 2
V D D 3
V D D _ V I B
M I C _ B I A S
V D D _ K EY
S P V D D
A V D D
A V D D _ T E M P
BL_ V D D