參數(shù)資料
型號: TDA9875
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, PDIP64
文件頁數(shù): 47/92頁
文件大?。?/td> 279K
代理商: TDA9875
1998 Feb 13
47
Philips Semiconductors
Preliminary specification
Digital TV Sound Processor (DTVSP)
TDA9875
Table 40
Description of bits DACGAIN1 and DACGAIN2
10.3.17 SCART 1
OUTPUT SELECT REGISTER
10.3.17.1 Description
This register is used to define both the signal source to be output at SCART 1 and the output channel selector mode.
10.3.17.2 Definition
Table 41
Subaddress 20 (notes 1 and 2)
Notes
1.
2.
3.
X = don’t care.
The default setting at power-up is 00000001.
See Table 44.
Table 42
Signal source
Table 43
Bits B5 and B4
NAME
HIGH/LOW
FUNCTION
DACGAIN1, DACGAIN2
HIGH
These bits can introduce some extra gain at the input to the DAC.
DACGAIN1 adds 3 dB and DACGAIN2 adds 6 dB of gain, respectively.
Sets a gain of 0 dB.
LOW
MSB
LSB
B7
X
B6
B5
B4
B3
X
B2
B1
B0
SC1GAIN
(3)
see Table 43
see Table 42
B2
B1
B0
SIGNAL SOURCE
0
0
0
1
0
1
1
0
1
0
1
0
SCART 2 input
external input
mono input
DAC input
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
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