Samsung SGH-i700 Service Manual page 35

SGH-I700 Block Diagrams
2. SGH-i700 PDA Block Diagram
SD C ard SD C ard SD C ard
SD C ard SD C ard SD C ard
C am era C am era C am era
C am era C am era C am era
K ey M at ri x K ey M at ri x K ey M at ri x
K ey M at ri x K ey M at ri x K ey M at ri x
W M 9705 W M 9705
W M 9705 W M 9705
U A R T U A R T
U A R T U A R T
I rD A I rD A
I rD A I rD A
U SB U SB
U SB U SB
R TC R TC
O S Ti m er O S Ti m er
PW M ( 2) PW M ( 2)
I nt . I nt .
C ont rol l er C ont rol l er
C l ocks & C l ocks &
Pow er M an. Pow er M an.
A C 97 A C 97
I 2C I 2C
I 2S I 2S
U A R T1 U A R T1
U A R T2 U A R T2
Fas t I rD A Fas t I rD A
Sl ow I rD A Sl ow I rD A
SSP SSP
M M C M M C
U SB U SB
C l i ent C l i ent
PX A 255 PX A 255 PX A 255
SAM SU N G Pr opr i et ar y- C ont ent s m ay change w i t hout not i ce
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LC D LC D
LC D LC D
Ti m i ng C ont rol l er Ti m i ng C ont rol l er
Ti m i ng C ont rol l er Ti m i ng C ont rol l er
C ol or or C ol or or
G rays cal e G rays cal e
LC D LC D
C ont rol l er C ont rol l er
Lat ency I / O Lat ency I / O
Sys t em Bus Sys t em Bus
M egacel l M egacel l
C ore C ore
3. 6864 3. 6864 32. 768 32. 768
M H z M H z K H z K H z
Tes t & D ubuggi ng Tes t & D ubuggi ng
O s c O s c O s c O s c
5-2
SD R A M SD R A M
SD R A M SD R A M
M em ory M em ory
C ont rol l er C ont rol l er
D ynam i c D ynam i c
M em ory M em ory
C ont rol C ont rol
Et herN et Et herN et
Et herN et Et herN et
V ari abl e V ari abl e
C ont rol C ont rol
M em ory M em ory
M em ory M em ory
PC M C I A PC M C I A
D ual Port D ual Port
& C F & C F
D ual Port D ual Port
C ont rol C ont rol M em ory M em ory
M em ory M em ory
St at i c St at i c
M em ory M em ory M el ody M el ody
C ont rol C ont rol
JTA G JTA G
Fl as h Fl as h
Fl as h Fl as h
M el ody M el ody
JTA G JTA G
JTA G JTA G