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STV82X7 Datasheet(PDF) 75 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) 75 Page - STMicroelectronics

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STV82x7
Register List
CARFQ2H, CARFQ2M, CARFQ2L
Channel 2 Carrier DCO Frequency
FIR2C[0:7]
Channel 2 FIR Coefficients
Address: 28H to 2Ah
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CARFQ2[23:16], CARFQ2[15.8], CARFQ2[7:0]
Bit Name
Reset
Function
CARFQ2[23:16]
CARFQ2[15.8]
CARFQ2[7:0]
01000100
01000000
00000000
Channel 2 DCO Carrier Frequency (8 MSBs)
Channel 2 DCO Carrier Frequency
Channel 2 DCO Carrier Frequency (8 LSBs) See Table 13.
Table 13: Stereo Carrier Frequencies by System
System
Stereo Carrier Freq. (MHz)
CARFQ2[23:0] (Dec)
CARFQ2[23:0]
M/N A2+
4.724212
3225062
3135E6h
B/G NICAM
5.85
3993600
3CF000h
BG A2
5.7421875
3920000
3BD080h
I NICAM
6.552
4472832
444000h
L NICAM
5.85
3993600
3CF000h
DK NICAM
5.85
3993600
3CF000h
DK1 A2*
6.258125
4272000
412F80h
DK2 A2*
6.7421875
4602667
463B2Bh
DK3 A2*
5.7421875
3920000
3BD080h
Address: 2Bh to 32h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FIR2C0[7:0] to FIR2C7[7:0]
Table 14: Channel 2 FIR Coefficients
Bitfield
Description
FM 27 kHz
FM 50 kHz
QPSK 40%
(reset state)
QPSK100%
FIR2C0[7:0]
FFh
00h
00h
00h
FIR2C1[7:0]
FEh
FEh
00h
00h
FIR2C2[7:0]
FEh
FCh
FFh
00h



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