STV6412A(2003) 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

STV6412A
(Rev.:2003)

AUDIO/VIDEO SWITCH MATRIX

STMicroelectronics 

STV6412A

Table 14. TV Audio Output

Reg.

Addr

(Hex)

Description

Soft Volume Change

Level Adjustment

00

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

Table 15. Audio Selection & VCR Audio Output

Reg.

Addr

(Hex)

Description

Data

Bits

d7 d6 d5 d4 d3 d2 d1 d0

Comments

TV & CINCH Audio

Output Selection

01

CINCH Audio Gain

3 X X X X X 0 0 0 Muted

X X X X X 0 0 1 Encoder L/R selected

X X X X X 0 1 0 VCR L/R selected

X X X X X 0 1 1 AUX L/R selected

X X X X X 1 0 0 TV L/R selected

X X X X X 1 0 1 Not allowed

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 dB

X X X X 1 X X X Follow TV Gain

2

VCR Audio Output Selection

X X 0 0 X X X X Muted

X X 0 1 X X X X Encoder L/R selected

X X 1 0 X X X X TV L/R selected

X X 1 1 X X X X AUX L/R selected

VCR Stereo or Mono Mode

1

0 X X X X X X X 0 = Stereo

1 X X X X X X X 1 = Mono

14/24

Share Link: