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STV8247T Datasheet(PDF) 67 Page - STMicroelectronics

Part # STV8247T
Description  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
PDF  149 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV8247T Datasheet(HTML) 67 Page - STMicroelectronics

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STV82x7
Register List
IAGCS
Channel 2 Internal AGC Status for QPSK
CARFQ2H, CARFQ2M, CARFQ2L
Channel 2 Carrier DCO Frequency
Address: 27h
Type: R
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IAGC_CTRL[7:0]
Bit Name
Reset
Function
IAGC_CTRL[7:0]
00000000
Indicates the value of the internal AGC gain control
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



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