參數(shù)資料
型號: TDA9875AH
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Digital TV Sound Processor DTVSP
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: PLASTIC, QFP
文件頁數(shù): 49/96頁
文件大?。?/td> 296K
代理商: TDA9875AH
1999 Dec 20
49
Philips Semiconductors
Product specification
Digital TV Sound Processor (DTVSP)
TDA9875A
10.3.17 SCART 1
OUTPUT SELECT REGISTER
This register is used to define both the signal source to be output at SCART 1 and the output channel selector mode.
Table 41
Subaddress 20 (note 1)
Note
1.
The default setting at power-up is 0000 0001.
Table 42
Output channel selection
Table 43
Signal source selection
BIT
NAME
VALUE
DESCRIPTION
7 (MSB)
6
B7
0
1
default value
Activates the 3 dB gain stage at the SCART 1 output buffers. As any SCART input
passes a 3 dB attenuator, this gain stage can be used to compensate that
attenuation, resulting in a 0 dB insertion loss when copying from SCART 2 input to
SCART 1 output. However, that gain must be used with great care, as it will cause
signal clipping at high input levels.
the audio signal output will be unchanged (0 dB gain)
output channel selection (see Table 42)
SC1GAIN
0
5
4
3
2
1
B5
B4
B3
B2
B1
B0
0
default value
signal source selection (see Table 43)
0 (LSB)
B5
B4
L OUTPUT
R OUTPUT
0
0
1
1
0
1
0
1
L input
L input
R input
R input
R input
L input
R input
L input
B2
B1
B0
SIGNAL SOURCE
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
SCART 1 input
SCART 2 input
external input
mono input
DAC input
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