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STV8217 датащи(PDF) 138 Page - STMicroelectronics

номер детали STV8217
подробное описание детали  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
PDF  156 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV8217 датащи(HTML) 138 Page - STMicroelectronics

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Register List
STV82x7
138/156
AUTOSTD_COEFF_INDEX_LSB
AUTOSTD_COEFF_VALUE
Note:
These four registers (AUTOSTD_COEFF_CTRL, AUTOSTD_COEFF_INDEX_MSB,
AUTOSTD_COEFF_INDEX_LSB and AUTOSTD_COEFF_VALUE) can be used to change
parameter settings for the following parts of channel 1 or channel 2:
- Channel carrier DCO frequency (register CARFQxx)
- Channel filter coefficients (registers FIRxCx)
- PLL baseband AM/FM demodulators proportional and integral coefficients (registers ACOEFFx or
BCOEFFx)
- Demodulator mode selection (register DEMOD_CTRL)
- IF AGC control (AGC_CTRL)
- Channel 2 symbol tracking loop parameters (register SCOEFF)
- Zweiton control (register ZWT_CTRL)
While keeping the AUTOSTANDARD function always active.
New values for all parameters mentioned above are kept instead of the values automatically sent by
the AUTOSTANDARD function.
Bit Name
Reset
Function
Bits [7:2]
0000000 Reserved.
AUTOSTD_COEFF
_INDEX_MSB
0
FIR Coefficients table index (MSB)
Address: FDh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
AUTOSTD_COEFF_INDEX_LSB[7:0]
Bit Name
Reset
Function
AUTOSTD_COEFF
_INDEX_LSB[7:0]
0000
0000
FIR Coefficients table index (LSB)
Address: FEh
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
AUTOSTD_COEFF_VALUE[7:0]
Bit Name
Reset
Function
AUTOSTD_COEFF
_VALUE[7:0]
0000
0000
Reserved



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