E-STV6413DT 查看數據表（PDF） - STMicroelectronics

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E-STV6413DT

Audio/Video Switch Matrix

STMicroelectronics 

I²C Bus Selection

STV6413

Table 2: Input Signal Summary (Write Mode)

Reg.

Data

Add.

d7

d6

d5

d4

d3

d2

d1

d0

Miscellaneous

04h

IT Enable

SLB Mode

Not Used

(See Note 1)

VCR-C

Output

Control

VCR-C Gate Not Used Not Used

Control (See Note 1) (See Note 1)

TV R or C

Output

Selection

05h

VCR Slow Blanking

Standby

06h

Not Used

(See Note 1)

TV Outputs

TV Slow Blanking

ENC Audio Input Gain

0/6/9 dB

VCR R/C sub ENC R/C sub

Clamp

Clamp

CINCH

Outputs

VCR Outputs

Not Used

(See Note 1)

TV Inputs

VCR Inputs ENC Inputs

Note: 1 At register address 06h, bits marked “Not Used” must be set to “1”. All other bits marked “Not Used”

must be set “0”.

Table 3: TV Audio Output

Reg.

Add.

Description

Soft Volume Change

Level Adjustment

00h

6 dB Extra Gain

TV Stereo or Mono Mode

Data

Bits

d7 d6 d5 d4 d3 d2 d1 d0

Comments

1

X X X X X X X 0 Active

X X X X X X X 1 Disabled

5

X X 0 0 0 0 0 X 0 dB

X X 1 1 1 1 1 X -62 dB (-2 dB/step)

1

X 0 X X X X X X 0 dB

X 1 X X X X X X +6 dB

1

0 X X X X X X X 0 = Stereo

1 X X X X X X X 1 = Mono

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