STV82X7 datasheet(138/156 Pages) STMICROELECTRONICS

138 / 156 page

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

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

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

Reserved

STV82X7 데이터시트(PDF) 138 Page - STMicroelectronics

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