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SPI Clock Pin No Output (Read 1387 times)

fight

Verified Member

Posts: 12

SPI Clock Pin No Output
11/19/21 at 03:57:04

I am using STM32F103CBT7 for my design with HAL functions at a 72MHz system clock.
SPI 1 is configurated as Master, 16-bit data width at 18 MBits/s.
When sending data out, there is a data bit on the MOSI pin, but there is no Clock pulse on the SCK pin.
I can't figure out what is wrong.
Any suggestion?
I've read some tutorials like https://www.kynix.com/components/STM32F103CBT7-Microcontroller-CAD-Models-Datash..., but I still have no idea.
Thanks.

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CAJames Seasoned Member "I've run every red light on memory lane." Posts: 1668	Re: SPI Clock Pin No Output Reply #1 - 11/19/21 at 16:07:46 Are the clock and data output at the same voltage and frequency?
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fight Verified Member Posts: 12	Re: SPI Clock Pin No Output Reply #2 - 11/20/21 at 01:55:29 Yes, they are the same.
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CAJames Seasoned Member "I've run every red light on memory lane." Posts: 1668	Re: SPI Clock Pin No Output Reply #3 - 11/20/21 at 14:07:52 It's been many years since I messed with ICs (as we called them when I was in school) but that sounds like a bad chip to me. Unless of course you need another signal to enable the clock out.
Back to top	[FOOBAR2000 \| Jay's CDT2 MRK3] -> Denafrips Terminator 2 + Gaia Sumiko Pearwood -> Mapleknoll Athena -> Luxman SUT -> Maple-tree Phono 3E Woo WA22 -> 2x UFO25s, balanced monos Omega SAM , Hifiman Arya, Senn HD-650 IP Logged

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