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报错一: WARNING: [Labtools 27-3361] The debug hub core was not detected. Resolution: 1. Make sure the clock connected to the debug hub (dbg_hub) core is 阅读全文
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一、SPI Modes Serial Peripheral Interface Bus At CPOL=0 the base value of the clock is zero, i.e. the idle state is 0 and active state is 1. For CPHA=0, 阅读全文
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# # IOSTANDARD Constraints## Note that these IOSTANDARD constraints are applied to all IOs currently# assigned within an I/O bank. If these IOSTANDARD 阅读全文