參數(shù)資料
型號(hào): TDA9875A
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Digital TV Sound Processor DTVSP
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP64
封裝: SHRINK, PLASTIC, DIP
文件頁數(shù): 41/96頁
文件大小: 296K
代理商: TDA9875A
1999 Dec 20
41
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9875A
10.3.8
FM
MATRIX REGISTER
This register is used to select the proper dematrixing characteristics as appropriate for the standard of the received
carrier and the related sound mode identification.
Table 28
Subaddress 11 (note 1)
Note
1.
The default setting at power-up is 0000 0000.
Table 29
Dematrixing characteristics
Notes
1.
2.
3.
CH1 input: audio signal from FM channel 1.
CH2 input: audio signal from FM channel 2.
For stereo Korea the dematrix applies 6 dB attenuation (see Table 7).
0
0
1
1
1
0
0
1
0
75
μ
s (M standard)
J17
off
BIT
NAME
VALUE
DESCRIPTION
7 (MSB)
6
5
4
3
2
1
0 (LSB)
B7
B6
B5
B4
B3
B2
B1
B0
0
0
0
0
0
default value
default value
default value
default value
default value
dematrixing characteristics (see Table 29)
B2
B1
B0
L OUTPUT
R OUTPUT
MODE
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
CH1 input; note 1
CH2 input; note 2
CH1 input; note 1
CH2 input; note 2
2CH1 input
CH2 input
CH1 input; note 1
CH2 input; note 2
CH2 input; note 2
CH1 input; note 1
CH2 input; note 2
mono 1
mono 2
dual
dual swapped
stereo Europe
stereo Korea; note 3
B2
B1
B0
DE-EMPHASIS
CH1 input
CH2 input
+
2
CH1 input
CH2 input
2
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