Search tips
Showing 18 results View by: Thread Post Sort by

  • TCAL6416R: TCAL6416R GPIO default output setting questions

    TI Thinks Resolved
    Part Number: TCAL6416R Hello Expert: We would like use TCAL6416R as 17 GPIO expander. can you teach us how to set exapmle to all output as pull low (P00-P17) status by default? thank you Roy
    • Answered

  • TCAL6416R: TCAL6416R schematic review

    Resolved
    Part Number: TCAL6416R Other Parts Discussed in Thread: PCF8574 , TCA9554 , TCA9554A , TCA9555 , PCF8574A , PCA9554A , PCA9555 , PCA9554 , PCF8575 , HD3SS6126 Hi All, Can you please have a look at how I have connected an TCAL6416R 16-Bit Translating…
    • Resolved

  • TCAL6416R: need symbol and footprint

    TI Thinks Resolved
    Part Number: TCAL6416R Hi Team, I need symbol and footprint . However, neither of these options is accessible on the TI.COM website. https://vendor.ultralibrarian.com/TI/embedded/?gpn=TCAL6416R&package=DTO&pin=24&sid=018893ba585d001f46ebd40907520506f002506700994&c…

  • TCAL6416R: TCAL6416R : Device Driver for the i2c expander

    TI Thinks Resolved
    Part Number: TCAL6416R Other Parts Discussed in Thread: PCA9535 , TCA9539 , TCAL6416 , PCA9539 Tool/software: HI , We are using TCAL6416RTWR in imx93 board . Currently using linux 6.6.23. we are looking i2c expander Driver for the above part number…
    • Answered

  • TCAL6416R: Looking for a GPIO Expander with non-volatile outputs

    Resolved
    Part Number: TCAL6416R I am looking to replace an Infineon CY8C9520A-24PVXI in a design. We are doing a full board spin and do NOT need a drop-in replacement. Requirements: 1 - 16 bi-directional GPIO pins 2 - I2C bus with multi-address capability 3 -…
    • Resolved

  • TCAL6416R: Sticky Outputs

    TI Thinks Resolved
    Part Number: TCAL6416R Other Parts Discussed in Thread: TCA6416A , , TCAL9538 , TCAL6416 , TCA9538 , PCA9538 Tool/software: Hi expert, We are using this GPIO expander in our current design from TI: TCAL6416RDTOR. We noticed that this expander is quite…
    • Answered

  • TCAL6416R: IO States while in Reset

    Resolved
    Part Number: TCAL6416R Tool/software: The datasheet indicates that the registers are sticky for this part. I'm curious what this means for the IO states if the device is in reset. Consider the following sequence: When the device is first powered on…
    • Resolved
    • Answered

  • TCAL6416R: No packaging information on the datasheet

    Resolved
    Part Number: TCAL6416R Tool/software: Hi team, There are no packaging information of TCAL6416RDTOR on the datasheet. Do you have the information? Best regards, Shunsuke Yamamoto
    • Resolved
    • Answered

  • TCAL6416R: I2C communication with two expanders and other devices on the bus, VCCP unpowered for driving ADDR input

    Resolved
    Part Number: TCAL6416R Tool/software: Hi Team, I have a question about TCAL6416RTWR expander. We would like to use two these ICs in one system, each one with a different I2C address (set by the ADDR pin). The VCCI will be powered from 3.3V and VCCP…
    • Resolved
    • Answered

  • TCAL6416R: No ACK signal when VCC is 1.8V and VCCP is 3.3V

    Resolved
    Part Number: TCAL6416R Tool/software: Hi, I have a problem accessing the device when VCC is 1.8V and VCCP is 3.3V. See the schematic below: When VDD_IO is 3.3V there is no problem, When VDD_IO is 1.8V there is no ACK from the device. Any ideas…
    • Resolved

Didn't find what you are looking for? Post a new question.