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參數(shù)資料
| 型號： | STV8226 |
| 廠商： | 意法半導體 |
| 英文描述： | Multistandard TV Audio Processor and Digital Sound Demodulator |
| 中文描述： | 多標準電視音頻處理器和數(shù)字聲音解調(diào)器 |
| 文件頁數(shù)： | 64/97頁 |
| 文件大?。?/td> | 1871K |
| 代理商： | STV8226 |
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Register List
STV82x6
64/97
PEAK_DET_STATR
Peak Level Detector Status Register
9.11
Automatic Standard Recognition
AUTO_CTRL
Automatic Standard Recognition Control Register
Address (hex): 4Dh
Type: R
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PEAK_LEVEL_RIGHT[7:0]
Bit Name
Reset
Function
PEAK_LEVEL_
RIGHT[7:0]
00000000
Displays the
Absolute Peak Level
of the audio source selected. The measured value is
updated continuously every 64 ms. The range varies linearly from the full scale (0 dB) down to
1/256 of the full scale (-48 dB).
For more information, refer to register
PEAK_DET_STATL
.
Address (hex): 50h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
IRQ
SINGLE_SHOT
DK_DEV[1:0]
LDK_SW
Bit Name
Reset
Function
Bits[7:5]
000
Reserved.
IRQ
0
This flag (output on IRQ pin) is set to ON by the AUTOSTD when the standard recognition status
has changed. The external microprocessor will detect this signal and will run the OSD procedure.
This procedure must first reset via I2C the IRQ flag and then read the detection status in the
registers (NICAM_STAT, ZWT_STAT, AUTO_STAT and CH_MX)
SINGLE_SHOT
0
Single Shot Mode Selection
0: Single Shot mode is not selected
1: Single Shot mode is selected
1
1.
Single_Shot
mode can be used before disabling the Automatic Standard Recognition (AUTOSTD)
to pre-program demodulator registers in a defined standard and reduce I2C programming in Manual
mode
DK_DEV[1:0]
00
Selects FM deviation configuration to take into account of overmodulation in DK_NICAM standard.
00: FM 50 kHz (Default)
01: FM 200 kHz
10: FM 350 kHz
11: FM 500 kHz
LDK_SW
1
Makes exclusive the auto search of DK/K1/K2/K3 and L/L standard
0: DK/K1/K2/K3 standard auto-search / L/L disabled
1: L/L standard auto-search / DK/K1/K2/K3 disabled
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相關代理商/技術參數(shù) |
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