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STV82X7 Datasheet(PDF) 70 Page - STMicroelectronics

No. de pieza STV82X7
Descripción Electrónicos  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
PDF  156 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV82X7 Datasheet(HTML) 70 Page - STMicroelectronics

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Note:
Carrier Freq: CARFQ1(dec).fS / 2
24 with f
S = 24.576 MHz (crystal oscillator frequency
independent)
FIR1C[0:7]
Channel 1 FIR Coefficients
Bit Name
Reset
Function
CARFQ1[23:16]
CARFQ1[15:8]
CARFQ1[7:0]
00111110
10000000
00000000
Channel 1 DCO Carrier Frequency (8 MSBs)
Channel 1 DCO Carrier Frequency
Channel 1 DCO Carrier Frequency (8 LSBs), see Table 10.
Table 10: Mono Carrier Frequencies by System
System
Mono Carrier Freq. (MHz)
CARFQ1[23:0] (dec)
CARFQ1[23:0]
M/N
4.5
3072000
2EE000h
B/G
5.5
3754667
394AABh
I
6.0
4096000
3E8000h
L
6.5
4453717
43F555h
D/K/K1/K2
6.5
4437333
43B555h
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
FM 27 kHz1
1. Default mode for M/N standard.
FM 50 kHz2
2. Default mode for B/G/I/D/K standards
FM 75 kHz
FM 100 kHz
FM 200 kHz
FM 350 kHz
FM 500 kHz
AM
FIR1C0[7:0]
FFh
00h
01h
FFh
00h
02h
01h
00h
FIR1C1[7:0]
FEh
FEh
03h
00h
01h
01h
00h
FEh
FIR1C2[7:0]
FEh
FCh
02h
05h
01h
FCh
04h
FDh
FIR1C3[7:0]
00h
FDh
FCh
02h
FCh
03h
FAh
FEh
FIR1C4[7:0]
06h
02h
F8h
F8h
08h
04h
05h
04h
FIR1C5[7:0]
0Eh
0Dh
01h
F9h
F6h
F2h
00h
0Dh
FIR1C6[7:0]
16h
18h
18h
15h
F8h
06h
F2h
16h
FIR1C7[7:0]
1Bh
1Fh
2Dh
35h
4Ah
43h
4Dh
1Dh



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