MM1422 MITSUBISHI [Mitsubishi Electric Semiconductor], MM1422 Datasheet - Page 11

• Manufacturer Part Number: MM1422
• Description: AV Switch for I2C BUS Control, 4-input, 3-output and Canal Plus Compatible
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

MITSUMI
Switch Control Table
[Control register 1] (2nd byte)
Note 1 : Previous choice condition is held. TUNER is chosen at power on.
Note 2 : Previous choice condition is held. EXT IN is chosen at power on.
[Control register 2] (3rd byte)
b7 b6 b5 b4 b3 b2 b1 b0 V OUT1 A OUT1 V OUT2 A OUT2 V OUT3 A OUT3
b7 b6 b5 b4 b3 b2 b1 b0 0, 12dB
0
0
1
1
0
1
0
1
0
1
0
1
0
0
1
1
0
1
AV Switch for I
0
1
0
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
0
1
1
2
C BUS Control, 4-input, 3-output and Canal Plus Compatible MM1422, 1423, 1442, 1443
0
0
1
1
0
1
0
1
0
1
0
1
0
1
SCART E1 SCART E1
SCART E2 SCART E2
TUNER
12dB
0dB
*
1
TUNER
MUTE
Port 1
High
Low
SCART E1 SCART E1
TUNER
EXT IN
Port 2 GainOUT2 GainOUT3 MUTE
High
Low
*
1
TUNER
EXT IN
MUTE
0dB
2dB
4dB
6dB
SCART E2 SCART E2
SCART E2 SCART E2
EXT IN
0dB
2dB
4dB
6dB
*
2
EXT IN
MUTE
OFF
ON
Middle
High
High
Low
FS