參數(shù)資料
型號(hào)： STV8237
廠商： 意法半導(dǎo)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(jī)
文件頁數(shù)： 63/149頁
文件大?。?/td> 2775K
代理商： STV8237
63/149
STV82x7
Register List
FIR1C[0:7]
Channel 1 FIR Coefficients
ACOEFF1
Channel 1 Baseband PLL Loop Filter Proportional
Coefficient
Address: 15h to 1Ch
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FIR1C0[7:0] to FIR1C7[7:0]
Table 11: Channel 1 FIR Coefficients
Bitfield
Description
(reset state)
FM 27 kHz
FM 50 kHz
FM 200 kHz
FM 350 kHz
FM 500 kHz
AM
FIR1C0[7:0]
FFh
00h
00h
02h
01h
00h
FIR1C1[7:0]
FEh
FEh
01h
01h
00h
FEh
FIR1C2[7:0]
FEh
FCh
01h
FCh
04h
FDh
FIR1C3[7:0]
00h
FDh
FCh
03h
FAh
FEh
FIR1C4[7:0]
06h
02h
08h
04h
05h
04h
FIR1C5[7:0]
0Eh
0Dh
F6h
F2h
00h
0Dh
FIR1C6[7:0]
16h
18h
F8h
06h
F2h
16h
FIR1C7[7:0]
1Bh
1Fh
4Ah
43h
4Dh
1Dh
Address: 1Dh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ACOEFF1[7:0]
Bit Name
Reset
Function
ACOEFF1[7:0]
00100011
Used to program the Proportional Coefficient of the baseband PLL loop filter (Channel 1)
Defines the damping factor of the loop. For values, refer to
Table 12
.
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