參數(shù)資料
型號： STLC7549
廠商： 意法半導體
元件分類： Codec
英文描述： Stereo Audio/MODEM/Telephony Codec(立體聲音頻/調(diào)制解調(diào)器/電話編解碼器)
中文描述： 立體聲音頻/調(diào)制解調(diào)器/語音編解碼器（立體聲音頻/調(diào)制解調(diào)器/電話編解碼器）
文件頁數(shù)： 30/35頁
文件大小： 335K
代理商： STLC7549
REGISTERDESCRIPTION
(continued)
Index Register9 :
Left DAC Summer Control
7
6
5
4
3
2
1
0
0
0
-
-
-
-
-
-
-MUTLD1 : Resetvalue: 0. Mute leftlineinput #1
of the DAC left summer. Setting this
bit to 0 mutesthe signal.
-MUTLD2 : Resetvalue: 0. Mute leftlineinput #2
of the DAC left summer. Setting this
bit to 0 mutesthe signal.
-MUTLD3 : Resetvalue: 0. Mute leftlineinput #3
of the DAC left summer. Setting this
bit to 0 mutesthe signal.
-MUTLDM : Resetvalue : 0. Mute leftmicrophone
input of the DAC left summer. Setting
this bit to 0 mutes the signal.
-MUTLDP : Reset value : 0. Mute mono input of
the DAC left summer. Setting this bit
to 0 mutesthe signal.
-MUTLDD : Reset value : 0. Mute left DAC signal
into the DAC left summer. This input
is the main left DAC output of the
sigma-delta codec. Setting this bit to
0 mutes the signal.
Index Register10 :
AudioLine Output
AttenuatorControl
4
3
7
6
5
2
1
0
L
L
L
L
R
R
R
R
ROUTG3to
ROUTG0
LOUTG3to
LOUTG0
Refer to the line output attenuator select Table
(Table5) to understandhowthesebitsrelate to the
actualattenuationvalue.
Table 5 :
Line OutputAttenuatorSelect (A1)
: Reset value : 0000.
Right line output gain select.
: Reset value : 0000.
Left line outputgain select.
Bit
Code
0000
0001
0010
0011
0100
0101
0110
0111
Decimal
Gain
(dB)
0
-3
-6
-9
-12
-15
-18
-21
Bit
Code
1000
1001
1010
1011
1100
1101
1110
1111
Decimal
Gain
(dB)
-24
-27
-30
-33
-36
-39
-42
-45
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Index Register 11 :
Audio Output Mute Control
7
6
5
4
3
2
1
0
0
0
0
-
-
-
-
-
-MUTR1 : Reset value : 0. Mute right line output
#1. Settingthisbitto 0mutes theoutput
Pin ROUT1.
-MUTR2 : Reset value : 0. Mute right line output
#2. Settingthisbitto 0mutes theoutput
Pin ROUT2.
-MUTL1 : Resetvalue : 0. Muteleft lineoutput #1.
Settingthis bitto 0 mutestheoutputPin
LOUT1.
-MUTL2 : Resetvalue : 0. Muteleft lineoutput #2.
Settingthis bitto 0 mutestheoutputPin
LOUT2.
-MUTEX: Resetvalue:1 (unmute).Thisbitisread
only
and
toggle/untoggled debounced external
mute.
is
the
output
of
Index Register 12 :
MonoInput/OutputControl
7
6
5
4
3
2
1
0
0
0
0
-
-
-
P
P
PGAIN1,
PGAIN0
: Reset value : 01. Mono input
attenuatorselect (A4). These two bits
select the input attenuation value as
shown in the Table6.
-MUTPCL : Reset value : 0. Mute DAC left into
mono output summer. Setting this bit
to 0 mutes the signal.
-MUTPCR: Reset value : 0. Mute DAC right into
mono output summer. Setting this bit
to 0 mutes the signal.
-MUTPCP : Reset value : 1. Mute mono input into
mono output summer. This bit will
power on to a one (1) so that the PC
system ”beeper” sounds coming into
themonoinputpinwillbeloopedto the
mono output pin so that PC system
soundscanbeheardduringpower-up.
Settingthisbitto0mutesthislooppath.
Table 6 :
MonoInput Attenuator
PGAIN1
PGAIN0
0
0
0
1
1
0
1
1
Gain (A4)
0dB
-10dB
-20dB
-30dB
STLC7549
30/35
相關(guān)PDF資料
PDF描述
STLVD210B DIFFERENTIAL LVDS CLOCK DRIVER
STLVD210 DIFFERENTIAL LVDS CLOCK DRIVER
STLVD210BF DIFFERENTIAL LVDS CLOCK DRIVER
STLVD210BFR DIFFERENTIAL LVDS CLOCK DRIVER
STM1001 Reset Circuit
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STLC7550 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW POWER LOW VOLTAGE ANALOG FRONT END
STLC7550TQF7 功能描述:電信線路管理 IC Lo-V Analg Front-End RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
STLC7550TQF7TR 功能描述:電信線路管理 IC Lo-V Analg Front-End RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
STLC7550TQFP 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:LOW POWER LOW VOLTAGE ANALOG FRONT END
STLC75C53TQFP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MODEM
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*