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  • PCA9536: Is PCA9536 will works on Vdd 2.8 volts to read the address when it is act as a slave

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    Part Number: PCA9536 hello,I am new in I2c protocol . I am using PCA9536 i2c expander as a slave in my project. My goal is to read the slave address( i.e.,0x41) .I was tested with arduino board it works well. But i am tested with nrf52 dk it does not…
    • Resolved

  • PCA9536: Reset function?

    Part Number: PCA9536 My customer would like an i2c I/O expander with a reset function so they can ensure the device will be in a known state. They are looking at the PCA9537 from NXP. We do not have a direct cross. Do we have any I/O expanders with this…
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  • PCA9536: Confirmation on Pin #1

    Resolved
    Part Number: PCA9536 A silly quick question, can someone help me confirm that this is Pin #1? The package doesn't match that shown in the datasheet , just wanted to confirm before using!
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    • Answered

  • PCA9536: p-port I/O

    Resolved
    Part Number: PCA9536 Hi, P0-3 has an internal pull-up resistor of 100 kΩ. P0-3 goes High at startup.(Before register setting) I want to set the P0-3 output to Low at startup using pull-down resistor. What is the minimum value of the pull-down resistor…
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  • PCA9536: Device getting locked up randomly

    TI Thinks Resolved
    Part Number: PCA9536 Other Parts Discussed in Thread: TCA9534A Hi, I am using PCA9536 in my design. I see that the device behavior is not constant. Every time I power up the behavior is different. Sometimes it works fine and sometimes it pulls the line…
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  • RE: PCA9543A: Part Marking Meaning

    Resolved
    Thank you Eric. It appears then, I have the updated/correct part installed. Good news/bad news situation. Sure. I'm not seeing the I2C signals on either of the two outputs on the device. A snippet of the design is shown below. I2C_SCL/SDA signals…
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  • PCA9536 - Vdd dips above POR voltage

    Resolved
    Other Parts Discussed in Thread: PCA9536 , TCA9536 Hello I2C Experts if the PCA9536 is powered at eg. nominal Vdd = 3V and the Vdd then drops below 2.3V ( Vdd min in dada sheet ) but stays above POR voltage and then goes back to 3V.. What will happen then…
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  • RE: TMS320F28069: Problem with I2C Read/write on IO expander PCA9536D

    Hi OL, Checking the PCA9536 datasheet 0x41 is the correct slave address to use. It may be a hardware related issue, that's the first thing that comes to mind. Can you confirm proper circuitry and connections for the PCA9536 device? Feel free to share…
    • Answered

  • PCA9536 INIT CODE and output mode in C5515

    Resolved
    Other Parts Discussed in Thread: PCA9536 I would like to use PCA9536 to keep Output mode for our application in C5515. Please provide Init code example code and output mode example code. Thanks. Best Regards,
    • Resolved

  • PCA9536 Iq

    Other Parts Discussed in Thread: PCA9536 I have a question about the Iq for the PCA9536. It lists two modes for standby (see below). I'm not sure whether Vi is the I2C port or the I/O port. I can't imagine why the output port being low would cause the…

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