參數(shù)資料
型號: STV8207
廠商: 意法半導體
英文描述: Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
中文描述: 數(shù)字音頻解碼器/處理器為A2和麗音電視/錄像機
文件頁數(shù): 86/149頁
文件大小: 2775K
代理商: STV8207
Register List
STV82x7
86/149
DC_REMOVAL_L
FM DC Offset Left Registerl
DC_REMOVAL_R
FM DC Offset Right Register
Address: 91h
Type: R
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
DC_REMOVAL_L[7:0]
Bit Name
Reset
Function
DC_REMOVAL_L[7:0]
0000 0000
Displays (in two’s complement format) the FM (or AM) DC offset level after demodulation on
channel 1 (and removed automatically).
In FM mode, the DC offset value gives a direct value of the carrier frequency offset which is
used to compensate the DCO with the CAROFFSET1 value in the event of an out-of-standard
offset. The range and the resolution depend upon the FM bandwidth programmed defined in
register BCOEFF1. See
Table 20
.
Address: 92h
Type: R
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
DC_REMOVAL_R[7:0]
Bit Name
Reset
Function
DC_REMOVAL_R[7:0]
0000 0000
Displays (in two’s complement format) the FM (or AM) DC offset level after demodulation on
channel 2 (and removed automatically).
In FM mode, the DC offset value gives a direct value of the carrier frequency offset which is
used to compensate the DCO with the CAROFFSET2 value in the event of an out-of-
standard offset. The range and the resolution depend upon the FM bandwidth programmed
defined in register BCOEFF2. See
Table 20
.
Table 20: DC_REMOVAL_L/R Range and Resolution
FM mode
Range (kHz)
Resolution (kHz)
± 96
0.750
Standard & A2 Standard
± 192
1.5
Medium
± 384
3
Large
± 768
6
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