forked from M-Labs/artiq
ad9912: cleanup, document init()
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@ -86,13 +86,13 @@ class AD9912:
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if (prodid != 0x1982) and (prodid != 0x1902):
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raise ValueError("Urukul AD9912 product id mismatch")
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delay(10*us)
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self.write(AD9912_PWRCNTRL1, 0x80) # HSTL, CMOS power down
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# HSTL power down, CMOS power down
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self.write(AD9912_PWRCNTRL1, 0x80)
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delay(10*us)
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self.write(AD9912_N_DIV, self.pll_n//2 - 2)
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delay(10*us)
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self.write(AD9912_PLLCFG, 0b00000101) # 375 µA, high range
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at_mu(t)
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delay(100*us) # constant duration of 100 µs
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# I_cp = 375 µA, VCO high range
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self.write(AD9912_PLLCFG, 0b00000101)
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@kernel
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def set_att_mu(self, att):
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