Redpine Signals Inc. Proprietary and Confidential
Page 6
R
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9
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1
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0
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-
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N
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1
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0
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2
2
M
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3
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9
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NOTE on SPI_CS and SPI_CLK
: -
Based on the Host SPI configuration, during BOOT UP, SPI Master could be coming up as GPIO pins.In the wake of this possibility, it
may be needed to add a pull up on the SPI_CS and a pull up (CPOL=1)/pull down(CPOL=0) on the SPI_CLK. The value of pull up/ pull
down resistor should follow the recommendations as given on the HOST side.
