-21-
BLOCK DIAGRAM - 3/5 (MPEG SECTION)
D
VD DSP
I/F
IC301
ZiV
A4.1
MPEG A/V
Decoder
IC303
GM72V161621ET
-7
1M x 16bit
SDRAM
IC302
GM72V161621ET
-7
1M x 16bit
SDRAM
IC304
PLL1700E
CLOCK
GENERA
T
O
R
IC311
LA7135A
VIDEO SW
IC309
PCM1716E
A
UDIO D
A
C
27MHz X-T
AL
X301
SYSTEM
I/F
D
VD_D
A
T
A[0:7]
D
A_D
A
T
A
0
D
A_BCK
SPDIF
CVBS
C/R/V
Y/B/U
CVBS/G/Y
Pr(R)
T
o(A/V)
CON104
U-com I/F
IC307
TC7W04FU
SYSTEM
I/F
D
VD DSP
I/F
D
A_XCK
MPEG_CLK
172
174
95
97
77
96
36
14
18
11
17
20
19
1
12
56
36
14
18
78
90
91
94
35
15
16
17
35
15
16
17
5
2
3
16
13
2
1
2
6
1
7
5
121
126
127
133
151
6
3
10
15
19
21
13
17
145
139
125
159
SDCLK1,ZISENB
REQZ1
2
A[00:02]
D[00:07]
MPEG_ERR
OR
/D
VD_SD_CS0,D
VD_LDQM
D
VD_MD[0:15]
D
VD_MA[0:11]
/D
VD_SD_CAS
/D
VD_SD_RAS
D
VD_SD_CLK
/D
VD_MWE
D
VD_LDQM
/D
VD_SD_CS1
S_CLK,S_D
A
T
A, DPLL_L
MCK
3
4
2
12
16
8
OPTICAL
MPEG_RST
S_D
A
T
A
S_CLK
D
A
C_L0
Pb(B)
Y(G)
C
Y
L0
R0
Lt
Rt
IC308
NJM4580M
LPF &
Buff
er
OP AMP
MAIN C
.B-3/4(MPEG SECTION)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299