Components having special characteristics or critical for safety are
identifi ed by
mark and must be replaced with components
specifi ed by the manufacturer.
Schematic diagram is subject to change without notice.
1
2
3
4
5
A
B
C
D
E
F
40
Schematic diagram - MPEG board 15/16
TUN_RDSDATA
TUN_RDSCLK
TUN_ST
TUN_CE
TUN_DATAIN
TUN_CLK
TUN_DATAOUT
TUN_Ok
TUN_Ok
TUN_ST
TUN_CE
TUN_RDSCLK
TUN_CLK
TUN_DATAOUT
TUN_RDSDATA
TUN_DATAIN
VCC5V
VCC5V
Vcc3V3
VCC5V
VCC3V3
VCC5V
VCC5V
VCC3V3
VCC3V3
VCC5V
VCC5V
VCC3V3
VCC5V
VCC5V
VCC3V3
VCC3V3
VCC5V
VCC5V
VCC5V
VCC5V
VCC5V
VCC5V
VCC5V
Vcc12V
PIO_11
PIO_10
PIO_8
PIO_4
PIO_2
PIO_4
PIO_10
PIO_4
PIO_4
PIO_11
PIO_4
PIO_0
TUN_OUTL
TUN_OUTR
PIO_8
DSP1_PIN2
Title
Size
Document Number
Date:
Sheet
Sigma Designs
355 FairView Way
Milpitas CA 95035
Reference
designs
23-000703-01
FM Tuner Interface
B
15
Tuesday, July 15, 2003
DVD Receiver - EM
CONF
RDS
Interface
Status Interface
Tuner Interface
To DSP
Interface 1
PIO4 = Lo -> Tuner Control
PIO4 = Hi -> Read RDS & ST
Q30
2N3904
1
3
2
L99
BEAD
C243
100pF
C244
100pF
L102
BEAD
C249
100pF
C250
100pF
U47C
74LCX125
B3
12
O3
11
A3
13
VDD
14
GND
7
U47A
74LCX125
B3
2
O3
3
A3
1
VDD
14
GND
7
D37
Dual
2
3
1
D34
Dual
2
3
1
R340
4R7
C242
100pF
L98
BEAD
C241
100pF
D33
Dual
2
3
1
U51B
74LCX125
B3
5
O3
6
A3
4
VDD
14
GND
7
U51C
74LCX125
B3
12
O3
11
A3
13
VDD
14
GND
7
U51D
74LCX125
B3
9
O3
8
A3
10
VDD
14
GND
7
U51A
74LCX125
B3
2
O3
3
A3
1
VDD
14
GND
7
Q31
2N3904
1
3
2
R326
4K7
U49B
74LCX125
B3
5
O3
6
A3
4
VDD
14
GND
7
L101
BEAD
C247
100pF
C248
100pF
D36
Dual
2
3
1
R207
1K
U50A
74LCX125
B3
2
O3
3
A3
1
VDD
14
GND
7
R324
10K
C304
0.1uF
U49D
74LCX125
B3
9
O3
8
A3
10
VDD
14
GND
7
R208
1K
C253
100pF
C254
100pF
D39
Dual
2
3
1
L104
BEAD
U50B
74LCX125
B3
5
O3
6
A3
4
VDD
14
GND
7
R325
10K
L100
BEAD
C245
100pF
U49A
74LCX125
B3
2
O3
3
A3
1
VDD
14
GND
7
R206
1K
D35
Dual
2
3
1
R327
10K
U50C
74LCX125
B3
12
O3
11
A3
13
VDD
14
GND
7
L103
BEAD
R357
680
C251
100pF
C252
100pF
D38
Dual
2
3
1
U50D
74LCX125
B3
9
O3
8
A3
10
VDD
14
GND
7
C246
100pF
U47D
74LCX125
B3
9
O3
8
A3
10
VDD
14
GND
7
L97
BEAD
R205
4K7
R331
4K7
U47B
74LCX125
B3
5
O3
6
A3
4
VDD
14
GND
7
C239
100pF
R330
4K7
D32
Dual
2
3
1
R204
10K
C240
100pF
R328
1K
R358
10K
+
C238
47uF/16V
C237
0.1uF
DSP3
FPC-ZIP-13
1
2
3
4
5
6
7
8
9
10
11
12
13
R339
4R7
+
C257
47uF/16V
R600
1K