ADV7535 I2C setting / Interrupt / CEC

Hi , 

We design 2x ADV7535 for HDMI output

1. Does ADV7535 has different I2C slave address for master controlling?

2. Can INT pin  be used on HDMI plug-in or plug-out? which register can identify HDMI plug-in?

Thanks. 

  • 0
    •  Analog Employees 
    on Apr 19, 2021 9:28 AM

    Hi,

     Does ADV7535 has different I2C slave address for master controlling?

          Yes, it has CEC controller and On-chip MPU with I2C master to perform EDID reading and HDCP operations.

    2. Can INT pin be used on HDMI plug-in or plug-out?

          Yes.

    Please note that the product you are seeking support on is covered by a Non-Disclosure Agreement and we are unable to provide support for it in the public EngineerZone community. To receive support on this product, please contact your Analog Devices representative.

    Thanks,

    Poornima

  • Ho Poornima, 

    Thank you to reply. 

    I would like to check I2C address for external controlled by MCU. 

    How to set ADV7535 I2C salve address ( 1x MCU I2C master connect to 2x ADV7535 I2C Salve )?

    Can I pull-high on PD pin for I2C_Salve address 0x72?

    Can I pull-low on PD pin for I2C_Salve address 0x7A?

    Which register can identify HDMI cable plug-in / plug-out? 

    Thanks. 

  • 0
    •  Analog Employees 
    on Apr 20, 2021 6:04 AM in reply to gen

    Hi,

       Yes, Power-down pin polarity depends on the chip I2C address selection. If the user wants to use 0x72, then the PD/AD pin is active high. If the user wants to use 0x7A, the PD/AD pin is active low

       Please note that the user should wait 200ms for the address to be decided, after the power supplies are high, before attempting to communicate with the ADV7535 using I2C.

       Please refer this FAQ I2C Protocol Sequence - Documents - Video - EngineerZone (analog.com)

    Thanks,

    Poornima