forked from M-Labs/artiq
urukul: slow down att write to datasheet limit
Signed-off-by: Robert Jördens <rj@quartiq.de>
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@ -14,7 +14,8 @@ SPI_CONFIG = (0*spi.SPI_OFFLINE | 0*spi.SPI_END |
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# SPI clock write and read dividers
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SPIT_CFG_WR = 2
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SPIT_CFG_RD = 16
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SPIT_ATT_WR = 2
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# 30 MHz fmax, 20 ns setup, 40 ns shift to latch (limiting)
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SPIT_ATT_WR = 6
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SPIT_ATT_RD = 16
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SPIT_DDS_WR = 2
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SPIT_DDS_RD = 16
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