參數(shù)資料
型號(hào): UDA1380TT
元件分類(lèi): 通用總線功能
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(yè)數(shù): 41/68頁(yè)
文件大小: 278K
代理商: UDA1380TT
2002 Sep 16
41
Philips Semiconductors
Product specification
Stereo audio coder-decoder
for MD, CD and MP3
UDA1380
11.9
Master mute, channel de-emphasis and mute
Table 43
Register address 13H
Table 44
Description of register bits
Table 45
De-emphasis selection bits
BIT
15
0
14
13
0
12
0
11
10
9
8
Symbol
Default
MTM
1
MT2
1
DE2_2
0
DE2_1
0
DE2_0
0
BIT
7
0
6
0
5
0
4
0
3
2
1
0
Symbol
Default
MT1
0
DE1_2
0
DE1_1
0
DE1_0
0
BIT
SYMBOL
DESCRIPTION
15
14
MTM
default value 0
Master mute.
A 1-bit value to enable the digital mute for the master. When this
bit is logic 0: no soft mute of master. When this bit is logic 1: soft mute of
master. Default value 1.
default value 00
Channel 2 mute.
A 1-bit value to enable the digital mute for channel 2. After
enabling the mixer, bit MT2 must be set to logic 0. When this bit is logic 0: no
soft mute of channel 2. When this bit is logic 1: soft mute of channel 2 (default
value 1, meaning that channel 2 is always muted, even when the mixer is
enabled).
De-emphasis.
A 3-bit value to enable the digital de-emphasis filter for
channel 1 and 2. Default value 000, see Table 45.
default value 0000
Channel 1 mute.
A 1-bit value to enable the digital mute for channel 1. When
this bit is logic 0: no soft mute of channel 1. When this bit is logic 1: soft mute
of channel 1. Default value 0.
De-emphasis.
A 3-bit value to enable the digital de-emphasis filter for
channel 1 and 2. Default value 000, see Table 45.
13 and 12
11
MT2
10 to 8
DE2_[2:0]
7 to 4
3
MT1
2 to 0
DE1_[2:0]
DE2_2
DE1_2
DE2_1
DE1_1
DE2_0
DE1_0
FUNCTION
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
off (default)
32 kHz
44.1 kHz
48 kHz
96 kHz
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