參數(shù)資料
型號: TDA9874AH
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: Digital TV sound demodulator/decoder
中文描述: AM/FM, AUDIO DEMODULATOR, PQFP44
封裝: 14 X 14 MM, 2.20 MM HEIGHT, PLASTIC, SOT-205-1, QFP-44
文件頁數(shù): 47/68頁
文件大?。?/td> 231K
代理商: TDA9874AH
1999 Dec 03
47
Philips Semiconductors
Preliminary specification
Digital TV sound demodulator/decoder
TDA9874A
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
2
S-bus output
Note
1.
X = don’t care.
ICSM2
ICSM1
ICSM0
L OUTPUT
R OUTPUT
REMARK
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
L input
L input
R input
R input
R input
L input
R input
L input
not allowed
during use of high
deviation mode
ISS1
ISS0
SIGNAL SOURCE I
2
S-BUS OUTPUT
LEFT
RIGHT
0
0
1
1
0
1
0
1
FM/AM left
NICAM left
FM/AM
FM/AM
FM/AM right
NICAM right
NICAM M1
NICAM M2
I
2
S-BUS OUTPUT
FM IDENT/NICAM SOUND MODE
AUTO-MUTE = HIGH AND
CH2MOD = 10
ICSM2
ICSM1
ICSM0
X
(1)
0
MONO
STEREO
DUAL
0
0
0
1
M/M
M/M
L/R
L/R
A/A
B/B
FM/AM: M/M
FM/AM: M/M
L
R
+
2
L
R
+
2
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