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STV8247 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. STV8247
Description  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 4 page
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STV82x7
4/149
4.15
Beeper ................................................................................................................................ 37
Chapter 5
Analog Audio Matrix (In / Out) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Chapter 6
I²S Interface (In / Out) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
6.1
I²S Inputs ............................................................................................................................ 40
6.2
I²S Output ........................................................................................................................... 41
Chapter 7
S/PDIF Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Chapter 8
Power Supply Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
8.1
Standby Mode (Loop-through mode) ................................................................................. 43
Chapter 9
Additional Controls and Flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
9.1
Headphone Detection ........................................................................................................ 44
9.2
IRQ Generation .................................................................................................................. 44
9.3
I²C Bus Expander ............................................................................................................... 44
Chapter 10
STV82x7 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Chapter 11
I²C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
11.1
I²C Address and Protocol ...................................................................................................46
11.2
Start-up and Configuration Change Procedure .................................................................. 47
Chapter 12
Register List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
12.1
I²C Register Map ................................................................................................................ 49
12.2
STV82x7 General Control Registers .................................................................................. 55
12.3
Clocking 1 .......................................................................................................................... 56
12.4
Demodulator ....................................................................................................................... 59
12.5
Demodulator Channel 1 ..................................................................................................... 62
12.6
Demodulator Channel 2 ..................................................................................................... 66
12.7
NICAM Registers ............................................................................................................... 71
12.8
Stereo Mode ....................................................................................................................... 73
12.9
Analog Control ................................................................................................................... 74
12.10
Clocking 2 .......................................................................................................................... 76
12.11
DSP Control ....................................................................................................................... 77




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