TDA9847 Philips Semiconductors, TDA9847 Datasheet - Page 15

• Manufacturer Part Number: TDA9847
• Description: TV and VTR stereo/dual sound processor with digital identification
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 2 Control input Port matrix to select AF inputs and AF outputs (SCART channel)
Notes
1. The combination 1000 is not allowed.
2. The previous state is unchanged.
Table 3 Explanation of Tables 1 and 2
1995 May 23
Sound mute
Mono
Stereo
Dual
External
R
L
S
A and B
C and D
AM
M
DS
ST
TV and VTR stereo/dual sound processor
with digital identification
SIGNAL
MODE
M
ST
DS
right
left
dual sound A/B
external sound source (SCART)
AM sound (standard L)
mono sound
dual sound
stereo sound
--------------------
AM
V
L
M
M
S
S
S
A
A
A
9
ST/DS/M
i1
+
2
R
INPUT SIGNAL
DESCRIPTION
V
10
R
R
R
B
B
B
i2
V
11
C
C
C
i3
SCART
V
12
D
D
D
i4
15
V
14
o1
Table 4 Conversion logic truth table for the C4 control
note 2
note 2
note 2
note 2
note 2
MAIN
MICROPROCESSOR
C41
0
1
1
0
CONTROL PORTS
OUTPUT SIGNAL
V
13
o2
OUTPUT
line (see Fig.11)
C42
0
0
1
1
V
AM
16
M
M
A
A
B
C
C
D
o3
no signal
SCART
V
AM
15
M
M
B
A
B
D
C
D
o4
C4
1
3-state
0
not allowed
C4
3
1
1
1
1
1
1
1
1
1
1
1
1
1
Preliminary specification
CONTROL INPUT
TDA9847
C3
24
PORT
1
0
0
0
0
0
0
0
0
0
1
1
1
TDA9847
C4-level
1.8 0.25 V
undefined
3.2 V
0.45 V
(1)
C2
2
0
0
1
1
0
1
1
0
1
1
0
1
1
C1
1
0
1
1
1
0
1
0
1
0
1
1
0
1