TDA9874A Philips Semiconductors, TDA9874A Datasheet - Page 47

• Manufacturer Part Number: TDA9874A
• Description: Digital TV sound demodulator/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 62 Mode of the digital matrix for signal selection (TVSMIIS = LOW)
Table 63 Signal source left and right; note 1
Note
1. The auto-select function is available only if ISS1 and ISS0 are set to ‘00’ or ‘01’.
Table 64 Auto-select function (TVSMIIS = HIGH and IDSWFM = HIGH): FM mode/NICAM mode for I
Note
1. X = don’t care.
1999 Dec 03
Digital TV sound demodulator/decoder
ICSM2
ICSM2
0
0
0
0
0
0
1
ISS1
I
2
0
0
1
1
S-BUS OUTPUT
ICSM1
0
1
ICSM1
0
0
1
1
0
ICSM0
X
0
(1)
ISS0
0
1
0
1
FM IDENT/NICAM SOUND MODE
MONO
ICSM0
M/M
M/M
0
1
0
1
0
STEREO
47
L/R
L/R
L OUTPUT
R input
R input
L input
L input
L
------------- -
+
2
FM/AM left
NICAM left
SIGNAL SOURCE I
R
FM/AM
FM/AM
LEFT
DUAL
A/A
B/B
R OUTPUT
R input
R input
L input
L input
AUTO-MUTE = HIGH AND
L
------------- -
+
2
R
2
S-BUS OUTPUT
CH2MOD = 10
FM/AM: M/M
FM/AM: M/M
Preliminary specification
FM/AM right
NICAM right
NICAM M1
NICAM M2
TDA9874A
not allowed
during use of high
deviation mode
RIGHT
2
S-bus output
REMARK