参数资料
型号: UDA1380TT
厂商: NXP SEMICONDUCTORS
元件分类: 消费家电
英文描述: Stereo audio coder-decoder for MD, CD and MP3
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO32
封装: 6.10 MM, 0.65 MM PITCH, PLASTIC, MO-153, SOT-487-1, TSSOP-32
文件页数: 36/68页
文件大小: 426K
代理商: UDA1380TT
2004 Apr 22
41
NXP 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
151413
12
11
10
9
8
Symbol
MTM
MT2
DE2_2
DE2_1
DE2_0
Default
0
1
001000
BIT
7
6
543210
Symbol
MT1
DE1_2
DE1_1
DE1_0
Default
0
000000
BIT
SYMBOL
DESCRIPTION
15
default value 0
14
MTM
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.
13 and 12
default value 00
11
MT2
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).
10 to 8
DE2_[2:0]
De-emphasis. A 3-bit value to enable the digital de-emphasis filter for
channel 2. Default value 000, see Table 45.
7to4
default value 0000
3MT1
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.
2to0
DE1_[2:0]
De-emphasis. A 3-bit value to enable the digital de-emphasis filter for
channel 1. Default value 000, see Table 45.
DE2_2
DE1_2
DE2_1
DE1_1
DE2_0
DE1_0
FUNCTION
0
off (default)
00
1
32 kHz
01
0
44.1 kHz
01
1
48 kHz
10
0
96 kHz
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