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參數(shù)資料
| 型號： | STV8206 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Multistandard TV Audio Processor and Digital Sound Demodulator |
| 中文描述： | 多標(biāo)準(zhǔn)電視音頻處理器和數(shù)字聲音解調(diào)器 |
| 文件頁數(shù)： | 33/97頁 |
| 文件大?。?/td> | 1871K |
| 代理商： | STV8206 |
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STV82x6
Register List
9
Register List
Note:
The unused bits (defined as reserved) in I2C registers must be kept to zero.
The system clock registers (from address 08h to 0Bh) do not need to be modified if a standard
27 MHz quartz crystal is used
The demodulator registers (from address 0Ch to 54h) default values are optimum and any change
is not recommended, except for:
●
AGCS (0Fh) to adjust AGC gain for AM carrier in L/L standard (AGC used in open loop)
●
CAROFFSET1(22h) and CAROFFSET2(3Ah) to compensate IF carrier frequency with an out-
of-standard offset
●
Soundlevel Prescaling PRE_FM(44h), PRE_NICAM(45h) and PRE_AUX(46h) to equalize
demodulated or external audio signal before audio processing. Peak detector registers
PEAK_DET_CTRL(4Bh) and PEAK_DET_STAT(4Ch) can be used to measure internal sound
level.
●
Sound source selection for each audio output channel Loudspeaker+Subwoofer, Headphone,
SCART and I2S to be done using CH_SEL(49h)
●
In Multi-lingual mode, CH_LANG(4Ah) selects separately the language for each audio output
channel.
●
AUTO_CTRL(50h) to select between L/L or D/K/K1/K2/K3 standard which can be
discriminated automatically. To be used also to change maximum FM deviation (125 kHz, by
default) in case of wide overmodulation.
●
AUTO_SCKM(51h) and AUTO_SCKST(52h) to define the list of mono and stereo standards to
be recognized automatically.
Note:
() used in reset value column means that the bit or the byte is read-only.
(S) symbol indicates that the field value is represented in signed binary format.
(*) The field
AGC_ERR[4:0]
(AGCS) can be written by user if the bit
AGC_CMD
(AGCC) is set to
one (by default controlled by AUTOSTD). To be used to adjust manually the input gain of analog
AGC amplifier for AM carrier (L/L).
9.1
I2C Register Map
By default, all I2C registers controlled by Automatic Standard Recognition System (AUTOSTD) are
forced to Read-only mode for the user. These registers and bits are shaded in
Table 10
.
Table 10: List of I2C Registers (Sheet 1 of 5)
Name
Addr.
(Hex)
Reset
Value (Bin)
Register Function and Description
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IC General Control
CUT_ID
00h
(0001 0001)
SRS_ON
0
CUT_NUMBER[5:0]
RESET
02h
0000 0000
0
SCLPD_OF
F
AUTO_OFF
0
0
SOFT_LRS
T1
SOFT_LRS
T2
SOFT_RST
CTRL
03h
0000 0000
0
BUS_EXPAND[1:0]
I2S_EN
SDI_EN
0
MCK_EN
SYSCK_EN
I2S
04h
0000 0000
0
0
0
0
I2S_STD
I2S_WSPO
L
0
0
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| STV8207 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders |
| STV8207T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders |
| STV8211 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VIDEO & SOUND IF SYSTEM |
| STV8216 | 功能描述:視頻 IC Audio Proc/Dig Demod RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| STV8217 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders |
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