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MITSUMI
I2C BUS Control 4-Input 1-Output AV Switch MM1311
I2C BUS Control 4-Input 1-Output AV Switch
Monolithic IC MM1311
Outline
This IC is a 4-input 1-output AV switch with I2C control, developed for use in televisions.
Features
1. Serial control by I2C BUS. 2. 4 inputs, 1 output. 3. Video and audio system switches can be controlled independently. 4. 6 dB amplifier built in to video system. 5. Built-in Y/C MIX circuit. 6. Slave address can be changed : 90H or 92H. 7. Audio muting possible by external pin. 8. Maintains high impedance even when I2C BUS line (SDA, SCL) power supply is off. 9. Built-in 3 value discrimination function. 10. On-chip power ON reset function. 11. Two types of audio input impedance : 60kΩ and 30kΩ.