For SPI communication, there are only four pins: MOSI, MISO, CS, and CLK. SPI has four modes. So how do you set the various modes when using SPI? There are no clock polarity and phase pins?
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[i=s]This post was last edited by sonicfirr on 2022-4-25 21:03[/i]This article records the process of using the lvgl framework to display pictures, and also obtains the local time of the system and di
Dear experts, I have made a circuit, using 6 pieces of 74HC164 in series, with a distance of about 40 cm between them. The 1st piece's 1 and 2 pins are connected in parallel to the CPU as data input,