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STV82X6 View Datasheet(PDF) - STMicroelectronics

Part Name
Description
MFG CO.
'STV82X6' PDF : 97 Pages View PDF
Register List
CRF1
Address (hex): 1Fh
Type: R
Bit 7
Bit 6
Channel 1 Baseband PLL Demodulator Offset
STV82x6
Bit 5
Bit 4
Bit 3
CRF1[7:0]
Bit 2
Bit 1
Bit 0
Bit Name
CRF1[7:0]
Reset
Function
00000000 Channel 1 Carrier Recovery Frequency
Displays the instantaneous frequency offset of the Channel 1 Baseband PLL Demodulator.
CETH1
Channel 1 FM/AM Carrier Level Threshold
Address (hex): 20h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
CETH1[7:0]
Bit 2
Bit 1
Bit 0
Bit Name
CETH1[7:0]
Reset
Function
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)
SQTH1
Channel 1 FM Squelch Threshold Register
Address (hex): 21h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
SQTH1[7:0]
Bit 2
Bit 1
Bit 0
48/97
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