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TB6560手册:
The approximate values are shown below.
The minimum clock pulse width (tW(CLK)) corresponds to the external capacitor (COSC ) as follows:
Capacitor Oscillating Frequency Minimum Clock Pulse Width tW(CLK) (Note 1)
1000 pF 44 kHz 90 μs (Note 2)
330 pF 130 kHz 30 μs
100 pF 400 kHz 10 μs (Note 2)
Note 1: When the frequency of an input clock signal is high, the COSC value should be small so that the duty cycle
of an input clock pulse does not become extremely high (should be around 50 % or lower).
这段纠结了两天了,TW(CK)是指步进脉冲吧,在330PF的Cosc下,要求步进脉冲为H30+L30(或大于30),是否这样理解?请前辈指教
学习了论坛里MACH3的帖子,步进脉冲可以设置到25(没用示波器实测),建议好像就1-5US,这个6560真不和谐啊 |
阿莫论坛20周年了!感谢大家的支持与爱护!!
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