參數(shù)資料
型號(hào): 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): 48/97頁
文件大?。?/td> 1871K
代理商: STV8206
Register List
STV82x6
48/97
CRF1
Channel 1 Baseband PLL Demodulator Offset
CETH1
Channel 1 FM/AM Carrier Level Threshold
SQTH1
Channel 1 FM Squelch Threshold Register
Address (hex): 1Fh
Type: R
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CRF1[7:0]
Bit Name
Reset
Function
CRF1[7:0]
00000000
Channel 1 Carrier Recovery Frequency
Displays the instantaneous frequency offset of the Channel 1 Baseband PLL Demodulator.
Address (hex): 20h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CETH1[7:0]
Bit Name
Reset
Function
CETH1[7:0]
00100000
This register is used to compare the carrier level in the channel and the threshold value. This
level is measured after the channel filter and is relative to the full scale reference level (0 dB).
This is used as part of the validation of an FM signal, if the carrier level is below the threshold,
the signal is considered to be non-valid.
CETH
FFh
80h
40h
20h
Threshold (dB)
-6
-12
-18
-24 (Default)
CETH
10h
08h
00h
Threshold (dB)
-32 (Recommended Value)
-38
OFF (all carrier levels are accepted)
Address (hex): 21h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SQTH1[7:0]
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