Sharp LC-32LE511E - USB Interface; USB Circuit Components and Function

49
LC-32LE511
LC-40LE511
LC-40LE531
LC-32LE511
LC-40LE511
LC-40LE531
32
12. USB Interface
USB ports are directly connected concept IC, BCM 3556.
USB ciecuit has 2 main parts:
 Protection IC (U4)
 Over Curent Protection IC (U108-U109)
I/O3
I/O2
I/O6
R
RB
NC
I/O4
I/O7
AI07585B
NAND Flash
(x8)
12
1
13
24 25
36
37
48
E
I/O1
NC
NC
NC
NC
NC
NC
NC
WP
W
NC
NC
NC
V
SS
V
DD
AL
NC
NC
CL
NC
I/O5
NC
NC
NC
I/O0
NC
NC
NC
NC
NC
V
DD
NC
NC
NC
V
SS
NC
NC
NC
NC
I/O3
I/O9
I/O2
I/O6
R
RB
NC
I/O14
I/O12
I/O10
I/O4
I/O7
AI07559B
NAND Flash
(x16)
12
1
13
24 25
36
37
48
I/O8
E
I/O1
I/O11
NC
NC
NC
NC
NC
NC
NC
WP
W
NC
NC
NC
V
SS
V
DD
AL
NC
NC
CL
NC
I/O13
I/O15
I/O5
V
SS
NC
V
SS
I/O0
NC
NC
NC
NC
NC
V
DD