STV6410A 查看數據表（PDF） - STMicroelectronics

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STV6410A

AUDIO/VIDEO SWITCH MATRIX

STMicroelectronics 

STV6410A

I2C BUS SELECTION (continued)

Input Signals (Write Mode)

Data Byte

TV Audio Output

Register

Address

(HEX)

Description

00

Audio Output selection

Stereo or Mono Mode

6dB Extra Gain

Level Adjustment

Data

Bits

d7 d6 d5 d4 d3 d2 d1 d0

Comments

3 X X X X X 0 0 0 Muted

X X X X X 0 0 1 AUX inputs selected

X X X X X 0 1 0 VCR inputs selected

X X X X X 0 1 1 ASTB inputs selected

X X X X X 1 0 0 NOT ALLOWED

X X X X X 1 0 1 Encoder inputs selected

X X X X X 1 1 0 NOT ALLOWED

X X X X X 1 1 1 NOT ALLOWED

1 X X X X 0 X X X 0 = Stereo

X X X X 1 X X X 1 = Mono

1 X X X 0 X X X X 0 = 0dB

X X X 1 X X X X 1 = +6dB

3 0 0 0 X X X X X 0dB Adjustment

1 1 1 X X X X X -14dB Adjustment (-2dB/step)

Audio Cinch Output

Register

Address

(HEX)

Description

01

Audio Output Selection

6dB Extra Gain

Level Adjustment

Data

Bits

d7 d6 d5 d4 d3 d2 d1 d0

Comments

3 X X X X X 0 0 0 Muted

X X X X X 0 0 1 AUX inputs selected

X X X X X 0 1 0 VCR inputs selected

X X X X X 0 1 1 ASTB inputs selected

X X X X X 1 0 0 TV inputs selected

X X X X X 1 0 1 Encoder input selected

X X X X X 1 1 0 NOT ALLOWED

X X X X X 1 1 1 NOT ALLOWED

1 X X X 0 X X X X 0 = 0dB

X X X 1 X X X X 1 = +6dB

3 0 0 0 X X X X X 0dB Adjustment

1 1 1 X X X X X -14dB Adjustment (-2dB/step)

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