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  • River_EE's Avatar
    09-24-2021, 10:08 PM
    Hello, I am trying to interface a Teensy4.0 and a ADC:AD7764 ADC. The ADC acts a spi master sending out 32bit data samples at 156KS/Sec. I have it hooked up to the SPI interface on the TEENSY and am able to...
    0 replies | 123 view(s)
  • River_EE's Avatar
    09-16-2021, 02:59 PM
    River_EE replied to a thread SPISlave_T4 in Project Guidance
    Pin10 is connected to the frame sync output from the ADC. So it is driven low while the ADC is outputting data. It is driven low for 32 bits at 20MHz (1.6uS) then driven high again. I think the issue is that the next...
    19 replies | 1579 view(s)
  • River_EE's Avatar
    09-16-2021, 02:02 PM
    River_EE replied to a thread SPISlave_T4 in Project Guidance
    Hello, Will this only work using interrupts? My issue seems to be that the RX Interrupt is happening too fast, and hanging up my Teensy. If I disable the interrupt, will the rx bits get written to the FIFO...
    19 replies | 1579 view(s)
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ADC Data Recording with SpiSlave and DMA.... 09-24-2021 10:08 PM
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09-16-2021