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Searched refs:nsPerClk (Results 1 – 1 of 1) sorted by relevance

/bsp/nxp/lpc/lpc178x/drivers/
A Dsdram.c18 #define EMC_NS2CLK(ns, nsPerClk) ((ns + nsPerClk - 1) / nsPerClk) argument
207 uint32_t mhz, nsPerClk; in SDRAM_Init() local
219 nsPerClk = 1000 / mhz; in SDRAM_Init()
220 LPC_EMC->DynamicRP = EMC_NS2CLK(20, nsPerClk); /* 20ns, */ in SDRAM_Init()
224 … LPC_EMC->DynamicDAL = EMC_NS2CLK(20, nsPerClk) + 2; /* tDAL = tRP + tDPL = 20ns + 2clk */ in SDRAM_Init()
226 LPC_EMC->DynamicRC = EMC_NS2CLK(63, nsPerClk); /* H57V2562GTR-75C tRC=63ns(min)*/ in SDRAM_Init()
227 LPC_EMC->DynamicRFC = EMC_NS2CLK(63, nsPerClk); /* H57V2562GTR-75C tRFC=tRC */ in SDRAM_Init()
229 LPC_EMC->DynamicRRD = EMC_NS2CLK(63, nsPerClk); /* 3clk, tRRD=15ns(min) */ in SDRAM_Init()

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