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stm32f4 spi pull-up's

Angelo1
Associate II

‎2014-03-30 02:36 AM

Posted on March 30, 2014 at 11:36

Dear,

i am trying to get coordinates from a touch screen using SPI2 of STM32F405, but sometime i get nonsense values. I am wandering if maybe pull-up's are needed on miso / mosi / cs etc.

Reagrds,

angelo

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