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STV82X8 Datasheet(PDF) 61 Page - STMicroelectronics

Part # STV82X8
Description  Digital Audio Decoder / Processor for BTSC Television/Video Recorders
PDF  157 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV82X8 Datasheet(HTML) 61 Page - STMicroelectronics

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STV82x8
Register List
12.6
Demodulator Channel 1
CARFQ1H, CARFQ1M, CARFQ1L
Channel 1 Carrier DCO Frequency
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
Address: 12h to 14h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CARFQ1[23:16], CARFQ1[15:8], CARFQ1[7:0]
Bit Name
Reset
Function
CARFQ1[23:16]
CARFQ1[15:8]
CARFQ1[7:0]
00101110
11100000
00000000
Channel 1 DCO Carrier Frequency (8 MSBs)
Channel 1 DCO Carrier Frequency
Channel 1 DCO Carrier Frequency (8 LSBs), see Table 2.
Table 9: Mono Carrier Frequencies by System
System
Mono Carrier Freq. (MHz)
CARFQ1[23:0] (dec)
CARFQ1[23:0]
M/N
4.5
3072000
2EE000h
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]
Bitfield
Description
(reset state)
FM 27 kHz
FM 50 kHz
FM 200 kHz
FM 350 kHz
FM 500 kHz
BTSC
FIR1C0[7:0]
FFh
00h
00h
02h
01h
01h
FIR1C1[7:0]
FEh
FEh
01h
01h
00h
00h
FIR1C2[7:0]
FEh
FCh
01h
FCh
04h
FEh
FIR1C3[7:0]
00h
FDh
FCh
03h
FAh
FCh
FIR1C4[7:0]
06h
02h
08h
04h
05h
00h
FIR1C5[7:0]
0Eh
0Dh
F6h
F2h
00h
0Bh
FIR1C6[7:0]
16h
18h
F8h
06h
F2h
19h



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