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Showing 218 results View by: Thread Post Sort by
  • Art Mecina
    Art Mecina
    • 2 days ago
    • Interface
    • Interface forum

    TCA9548A: Memory Inquiry

    Part Number: TCA9548A Hello Guys, Good day. Just like to make sure that the TCA9548ARGER does not have any volatile or non-volatile memory right? Thanks to confirm! Art
  • Miranda Gu
    Miranda Gu
    • 1 month ago
    • Interface
    • Interface forum

    TCA9548A: Can TCA9548A support 1.8V bus when VCC=3.3V ?

    • Resolved
    Part Number: TCA9548A Hi team, Can TCA9548A support 1.8V bus when VCC is 3.3V ? From datasheet
  • Marks Greulich
    Marks Greulich
    • 1 month ago
    • Interface
    • Interface forum

    TCA9548A: Slave Bus Voltage 1.8V and Master with 5V

    • Resolved
    Part Number: TCA9548A Hi guys, I want to split up a 5V I2C coming from an Atmega controller into 3
  • JH Shin
    JH Shin
    • 1 month ago
    • Interface
    • Interface forum

    TCA9548A: Pull-up resistor value for the RESET pin with 3.3V pull-up voltage

    Answer Suggested
    Part Number: TCA9548A Hello, What is the recommended pull-up resistor value for the RESET pin with 3.3V pull-up voltage? How do you determine the value? Thank you. JH
  • Moshe Lerner
    Moshe Lerner
    • 1 month ago
    • Interface
    • Interface forum

    TCA9548A: USB HUB TCA9548A

    Answer Suggested
    Part Number: TCA9548A Hello I'm using TCA9548AMRGER 8 port USB HUB with following conditions VCC = 3.3V, SDA and SCL are connected through pull-ups to the 3.3V. The master selects only one of the channels at a time. Can I connect different...
  • switch
    switch
    • 1 month ago
    • Interface
    • Interface forum

    TCA9548A: Unable to communicate

    Part Number: TCA9548A Hi , I encountered the following problems while using TCA9548: 1,When the IIC bus on the expansion side of the TCA9548A(SDA,SCL)is hot-plugged, the TCA9548A cannot communicate with the microcontroller properly. 2.The microcontroller...
  • Dane Zhang
    Dane Zhang
    • 3 months ago
    • Interface
    • Interface forum

    TCA9548A: TCA9548A SDx and SCx output question

    Answer Suggested
    Part Number: TCA9548A Hi team, Are SDx and SCx of TCA9548A in OpenDrain mode when outputting signals? If so, how does this device judge the input and output directions? The function diagram in the manual is relatively simple, is there a more detailed...
  • Ansel Higgs
    Ansel Higgs
    • 2 months ago
    • Interface
    • Interface forum

    RE: TCA9548A: Omitting slave pullup resistors for single voltage system

    Ok, great, thanks!
  • Rudra Prakash
    Rudra Prakash
    • 3 months ago
    • Interface
    • Interface forum

    TCA9548A: Facing issue in accessing the device

    Part Number: TCA9548A Hi, I am using TCA9548AMRGER in one of my design. F acing some issue in accessing this device. We are not receiving ACK. In place of ACK, NACK is receiving. Can you please help in this regard? Thanks & Regards, Rudra...
  • JB63
    JB63
    • 4 months ago
    • Interface
    • Interface forum

    TCA9548A: Device powered OFF

    Answer Suggested
    Part Number: TCA9548A The TCA9548 is powered OFF, but one of the SDA and SCL output pairs is connected to another active I2C bus that has 4.7K pullups to a 5V supply. 1.) Is there a problem with loading the active bus, back powering the device or a...
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