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  • TCAL9538: I/O pin config

    TI Thinks Resolved
    Part Number: TCAL9538 Hi, Could all the IO pins be configured to “open drain” type?

  • TCAL9538: Rest function

    TI Thinks Resolved
    Part Number: TCAL9538 The customer has the question as below: Does TCAL9538 require reset when powering on? Or in some abnormal operation situation? In the current situation, our MUC has no ability to judge whether there is an abnormality. Can we not…

  • TCAL9538: Sample code for customer reference

    TI Thinks Resolved
    Part Number: TCAL9538 Other Parts Discussed in Thread: PCA9538 , TCA9538 The customer is using TCAL9538. They want to know whether we have sample code for their reference?
    • Answered

  • RE: TCA9554A: Alternative parts that has higher operating temperature

    Resolved
    There is no P2P device. The nearest replacement would be the TCAL9538, with /RESET input at pin 3, and a different I²C device address.

  • [FAQ] What is the Auto Increment Feature in I2C IO Expanders?

    Other Parts Discussed in Thread: TCA6424A FAQ: Logic and Voltage Translation > IxC >> What is the Auto Increment Feature in I2C IO Expanders? The auto-increment feature of I2C IO Expanders is when the registers of the device automatically increment…

  • [FAQ] I2C IO Expander Schematic Checklist

    Other Parts Discussed in Thread: PCF8574 , TCA9554 , TCA9554A , TCA9555 , PCF8574A , PCA9554A , PCA9555 , PCA9554 , PCF8575 FAQ: Logic and Voltage Translation > IxC >> I2C IO Expander Schematic Checklist IO Expander Checklist Check Status…

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