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參數資料
型號: UDA1380
英文描述: Stereo audio coder-decoder for MD, CD and MP3
中文描述: 立體聲音頻編碼器,可用于MD,CD和MP3解碼器
文件頁數: 48/68頁
文件大小: 278K
代理商: UDA1380
2002 Sep 16
48
Philips Semiconductors
Product specification
Stereo audio coder-decoder
for MD, CD and MP3
UDA1380
Table 63
AGC target level setting bits
11.15 Restore L3 default values (software reset)
Table 64
Register address 7FH
11.16 Headphone driver and interpolation filter (read-out)
Table 65
Register address 18H
Table 66
Description of the register bits
AGC_LEVEL1
AGC_LEVEL0
AGC TARGET LEVEL VALUE (dBFS)
5.5 (default)
8
11.5
14
0
0
1
1
0
1
0
1
BIT
15
14
13
12
11
10
9
8
Default value
BIT
7
6
5
4
3
2
1
0
Default value
BIT
15
14
13
12
11
10
9
8
Symbol
HP_STCTV
HP_STCTL
HP_STCTR
BIT
7
6
5
4
3
2
1
0
Symbol
SDETR2
SDETL2
SDETR1
SDETL1
MUTE_
STATE_M
MUTE_
STATE_CH2
MUTE_
STATE_CH1
BIT
SYMBOL
DESCRIPTION
15 to 11
10
HP_STCTV
not used
Headphone driver short-circuit detection.
When this bit is logic 0:
headphone driver is not short-circuit protected. When this bit is logic 1:
headphone driver short-circuit protection is activated.
Left headphone driver short-circuit detection.
When this bit is logic 0: left
channel headphone driver is not short-circuit protected. When this bit is
logic 1: left channel headphone driver short-circuit protection is activated.
Right headphone driver short-circuit detection.
When this bit is logic 0:
right channel headphone driver not short-circuit protected. When this bit is
logic 1: right channel headphone driver short-circuit protection activated.
not used
Interpolator silence detect channel 2 right.
When this bit is logic 0:
interpolator on channel 2 right input has detected no silence. When this bit is
logic 1: interpolator on channel 2 right input has detected silence.
Interpolator silence detect channel 2 left.
When this bit is logic 0:
interpolator on channel 2 left input has detected no silence. When this bit is
logic 1: interpolator on channel 2 left input has detected silence.
9
HP_STCTL
8
HP_STCTR
7
6
SDETR2
5
SDETL2
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相關代理商/技術參數
參數描述
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