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STV82X8 Datasheet(PDF) 77 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) 77 Page - STMicroelectronics

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STV82x8
Register List
I2S_IN_MASK
I2S Mask
Note:
This register has to be set before the Start of the Software (0x85 : HOST_RUN = 1).
I2S_IN_STATUS
SRC I2S Input Behaviour
Address: 88h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
0
WORD_MASK[4:0]
Bit Name
Reset
Function
Bits [7:5]
000
Reserved
WORD_MASK[4:0]
11111
Define the mask to apply to 32-bit input samples. Range: 0 to 31
Address: 89h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
AUTO_SRC_S
YNC
ENABLE_IRQ
_SRC_FREQ_
CHANGE
ENABLE_IRQ
_SYNC_FOUN
D
ENABLE_IRQ
_SYNC_LOST
I2S_INPUT_FREQ
Bit Name
Reset
Function
AUTO_SRC_SYNC
0
Allow the DSP to reset the SRC input DMA when an input freq change is detected. (Working in
SRC mode only)
0:
no reset on input frequency change
1:
reset on input frequency change
ENABLE_IRQ_SRC
_FREQ_CHANGE
0
Generate an IRQ3 when a frequency change is detected on SRC input. (Working in SRC mode
only)
0:
IRQ3 generation not active
1:
IRQ3 generation active
ENABLE_IRQ_SYN
C_FOUND
0
Generate an IRQ2 when a signal is synchronized on SRC input. (Working in SRC mode only)
0:
IRQ2 generation not active
1:
IRQ2 generation active
ENABLE_IRQ_SYN
C_LOST
0
Generate an IRQ1 when a signal is lost on SRC input. (Working in SRC mode only)
0:
IRQ1 generation not active
1:
IRQ1 generation active
Bits [3]
0
Reserved
I2S_INPUT_FREQ
(000)
Display the frequency detected on SRC input
000:
no signal locked on SRC input
100:
signal locked but frequency unknown
001:
32 kHz
101:
not used
010:
44.1 kHz
110:
not used
011:
48 kHz
111:
not used



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