Waiting for core to be armed!
2014-12-30 15:27
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在v5的器件中插入Chipscope,甚至点击任意触发都没有捕捉到波形,只显示 Waiting for core to be armed!
一定是时钟出了问题,chipscope无法获得时钟,之前使用的是PLL出来的时钟,想用时钟源,但是chipscope里的时钟源clk变灰,是port类型,后来重新使用了一个DCM。
使用DCM的CLKIN_IBUFG_OUT作为时钟源以后,可以捕捉波形了!
dcm_50 dcm_50MHz (
.CLKIN_IN
(clk ),
.RST_IN
(~rst ),
.CLKIN_IBUFG_OUT
(CLKIN_IBUFG_OUT),
.CLK0_OUT
(clk50MHz),
.CLK180_OUT
(clk50MHz_n),
.LOCKED_OUT
(clklocked)
);
一定是时钟出了问题,chipscope无法获得时钟,之前使用的是PLL出来的时钟,想用时钟源,但是chipscope里的时钟源clk变灰,是port类型,后来重新使用了一个DCM。
使用DCM的CLKIN_IBUFG_OUT作为时钟源以后,可以捕捉波形了!
dcm_50 dcm_50MHz (
.CLKIN_IN
(clk ),
.RST_IN
(~rst ),
.CLKIN_IBUFG_OUT
(CLKIN_IBUFG_OUT),
.CLK0_OUT
(clk50MHz),
.CLK180_OUT
(clk50MHz_n),
.LOCKED_OUT
(clklocked)
);
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