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A
B
1
SCHEMATIC DIAGRAM
DIGITAL: AV DECODER STI5508
1
2
3
AV decoder : STI5508
2
A
I2C BUS
I265
5207
+3V3
100MHZ
7201
2202
M24C64
8
100n
1
VCC
E0
GNDD
2
E1
I229
3
5
E2
SDA
6
SCL
I239
I215
B
7
WC_
VSS
GNDD
GNDD
GNDD
4
NVRAM
GNDD
3
SYSTEM ADDRESS BUS
SYSTEM DATA BUS
C
7200
STI5508
D
4
148
CPU-DATA7
147
CPU-DATA6
146
CPU-DATA5
145
CPU-DATA4
144
CPU-DATA3
143
CPU-DATA2
142
CPU-DATA1
141
CPU-DATA0
SYSTEM CONTROL
E
138
CPU-RAS1
130
CPU-RW
128
CPU-BE0
129
CPU-BE1
139
CPU-CAS0
140
CPU-CAS1
134
CPU-CE1
133
CPU-CE2
132
CPU-CE3
CSn
135
CPU-CE0
I270
117
CPU-OE
118
CPU-PROCLK
F
3208
22R
5
BE_SERIAL
BE_DATA_RD
16
B-DATA
20
B-WCLK
BE_WCLK
G
BE_BCLK
17
B-BCLK
18
B-FLAG
BE_FLAG
BE_SYNC
19
B-SYNC
21
B-V4
BE_V4
I233
22
NRSS-OUT
Audio / Video
decoder
6
H
I244
5200
+3V3
100MHZ
I
GNDD
SDRAM Interface
7
1
2
3
C
D
4
5
6
7
3205
OPTION
100R
3233
GNDD
3206
10K
100R
GNDD
GNDD
GNDD
GNDD
SYSTEM
MEMORY interface
PORT 0 I/O
PORT 1 I/O
USE
uP ST20cpu
Audio
A/V/Sub
MPEG
Video
DECODER
demultiplexer
Subpicture
2
I S
SDRAM CONTROLLER
ADDRESS
DATA
4
5
6
7
E
F
8
9
10
11
F265
GNDD
2231
HW version
100n
control
GNDD
+3V3
3209
10K
3216
10K
GNDD
GNDD
GNDD
GNDD
PORT 2 I/O
PORT 3 I/O
PORT 4 I/O
JTAG
Subpicture
decoder
GNDD
7204
LF25C
I271
5206
+3V3
100MHZ
IN
OUT
GND
GNDD
OPTION
8
9
10
11
G
H
I
12
13
14
DCU
7
connector
VDD_CORE
+5V
6
5
4
I264
5209
3
VDD_CORE
OPTION
2
1
FMN
5202
1200
VDD_RGB
5201
VDD_YCC
5203
7203
VDD_PLL
LF25C
5204
5205
I266
VDD_PCM
+3V3
OUT
IN
100MHZ
I267
GND
GNDD
3224
10K
3225
VDD_STI
10K
VDD_125
3202
7202-A
74HCT125D
AUDIO_OUT
10K
14
2
3
AD_ACLK
AE_ACLK
7
AE_ACLK_OEn
1
GNDD
I251
VDD-PCM
48
VDD_PCM
VSS-PCM
49
GNDD
I252
VDD-PLL
122
VDD_PLL
I202
IRQ
VSS-PLL
123
GNDD
I218
DAC-PCMOUT1
53
I211
54
DAC-PCMOUT2
DAC-SCLK
51
I254
3227
AC3
I255
22R
DAC-PCMOUT0
52
3203
AUDIO
DAC-PCMCLK
55
I256
3228
22R
LPCM
I257
22R
DECODER
DAC-LRCLK
56
MPEG1/2
SPDIF-OUT
57
I258
3204
100R
ADC-SCLK
103
I210
3234-D 4
5
4K7
I212
3234-C
3
6
ADC-LRCLK
104
4K7
KARAOKE
ADC-DATA
105
I213
3234-B 2
7
4K7
I217
3234-A
1
8
ADC-PCMCLK
106
4K7
GNDD
VIDEO_OUT
I260
R-OUT
27
26
I261
G-OUT
I262
VIDEO
B-OUT
25
I263
C-OUT
33
ENCODER
I216
CV-OUT
34
I224
Y-OUT
32
VDD_125
7202-D
74HCT125D
14
12
11
ANA_WE_LV
ANA_WE
7
13
GNDD
GNDD
VDD_125
5208
+5V
100MHZ
1%
1%
GNDD
7202-B
74HCT125D
1%
14
1%
5
6
MUTEN_LV
MUTEN
7
4
GNDD
GNDD
GNDD
12
13
14
J
DRX-1
1200
A11
5207
A2
2200
C5
5208
H13
2201
C11
5209
A13
2202
A3
5210
A14
2203
I2
5211
A13
2204
B4
5212
A13
2205
B13
7200
C2
2206
B13
7201
A2
2207
B5
7202-A C13
A
2208
B13
7202-B I14
2209
B12
7202-D G14
2210
B14
7203
B14
2211
H3
7204
I9
2212
H3
F214
C11
2213
H3
F247
C10
2214
H3
F248
C10
2215
H4
F249
C11
2216
H4
F250
C11
2217
H4
F264
C6
B
2218
I10
F265
A11
2219
I9
2220
H8
2221
H9
2222
H9
2223
H9
2224
H10
2225
H10
2226
H10
C
2227
H10
2228
B12
2229
H13
2230
B13
2231
A10
3200
C5
3201
A4
3202
C12
3203
E13
3204
E13
D
3205
B4
3206
B4
3207
I13
3208
F1
3209
A8
3211
C11
3212
A5
3213
C6
3214
C6
E
3215
B10
3216
B8
3217
C7
3218
C7
3219
B11
3220
B10
3221
B6
3222
B6
3223
C7
F
3224
C12
3225
C12
3226
C8
3227
E13
3228
E13
3229
H12
3230
H12
3231
I12
3232
I12
G
3233
B6
3234-A F13
3234-B F13
3234-C F13
3234-D F13
3235
H8
3236-A C10
3236-B C10
3236-C C10
H
3236-D C10
3237-A C10
3237-B C10
3237-C C10
3237-D C10
3238
B9
3239
C9
3240
B9
3241
C9
I
3242
B9
3243
C9
3244
B9
3245
C9
5200
H2
5201
A13
5202
A13
5203
B13
5204
B13
5205
B14
5206
I9
179
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