STV82X8 datasheet(75/157 Pages) STMICROELECTRONICS

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STV82x8

DSP_STATUS

DSP Status

DSP_RUN

DSP Configuration and Run

Address: 84h

Type: R

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

00000

INIT_MEM

Bit Name

Reset

Function

Bits[7:1]

0000000 Reserved.

INIT_MEM

DSP Initialization

DSP is not initialized.

DSP is initialized.

Address: 85h

Type: R/W

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

TEST_MODE_

INPUT

TEST_MODE

INPUT_CONFIG

REGISTERS_

RESET

HOST_RUN

Bit Name

Reset

Function

Bits[7]

Reserved.

TEST_MODE_INP

active in TEST_MODE = 1 (bypass processing)

I2S_0 input -> L/R output

I2S_1 input -> C/LFE output

I2S_2 input -> Ls/Rs output

I2S_0 input -> SCART output (-6dB)

I2S_0 input -> L/R output

I2S_0 input -> C/LFE output

I2S_0 input -> Ls/Rs output

I2S_0 input -> SCART output (-6dB)

TEST_MODE[5:4]

00: standard configuration

01: bypass processing configuration

10: Clock Loop test

11: Not Used

INPUT_CONFIG

00: BTSC + I2S SRC + I2S DELAY + ADC

01: BTSC + I2S 48K + I2S DELAY + ADC

10: Not Used

11: BTSC + MULTI I2S 48K + ADC

RESGISTERS_RE

SET

I2C register table is not initialized when we soft reset

I2C register table is initialized when we soft reset

HOST_RUN

Soft Reset DSP

Start DSP

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