PYNQ-Z1 > H16 (the 125 MHz external reference clock)を使ってみる > Clock Divider IPで分周して1.25HzをAnalog Discovery 2で測定 - Qiita

Windows 10 Pro (v1909) PYNQ-Z1 (Digilent) (以下、PYNQと表記) Vivado v2019.1 (64-bit) Analog Discovery 2 (以下、AD2) 11 Clock Sources The PL of the Zynq-Z7020 also includes 4 MMCM’s and 4 PLL’s that can be used to generate clocks with precise frequencies and phase relationships. Any of the four PS reference clocks or the 125 MHz external reference clock can be used as an input to the MMCMs and PLLs. For a f