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CCS/MSP430FR5969: HX711 ADC Channel related

Sandhya Yadav
Intellectual 435 points
Part Number: MSP430FR5969


Tool/software: Code Composer Studio

Hello All,

I am working with one project in that Loadcells I have connected to A channel of HX711. I want ask that can I use channel A and channel B at a time, if yes how can I use lease help.

I am connecting Two loadcells to one ADC so should I need to go with two different channels or with one channel??

Thanks,

Sandhya Yadav

  • 0
    Guru 100785 points
    I'm not completely sure I know what you're asking, but based on the data sheet you choose which channel (A vs B) to convert next by counted pulses from the MCU out to the HX711 (ref data sheet Table 3). E.g. to make it sample channel B next time, you read out the data it has now (24 SPI clocks) and then send 2 more SPI clocks.

    This serial protocol is unusual, to say the least. At first glance, it looks like you'll need to do SPI in software.

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