4 / 9 page  CY2285 4 Function Table: CY2285-1 SEL100 SEL48[4] TS[4] SPREAD[4] CPUCLK[0:1] PCICLK[1:5], PCICLK_F USB_IOCLK USBCLK REFCLK [0-1] X X 0 X Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z 0 1 1 1 (no spread) 66.6 MHz 33.3 MHz 24 MHz 48 MHz 14.318 MHz 00 1 0 (–0.6% downspread) 66.6 MHz 33.3 MHz 48 MHz 48 MHz 14.318 MHz 1 1 1 1 (no spread) 100 MHz 33.3 MHz 24 MHz 48 MHz 14.318 MHz 10 1 0 (–0.6% downspread) 100 MHz 33.3 MHz 48 MHz 48 MHz 14.318 MHz Function Table: CY2285-2 SEL100/66[4] SPREAD DIV4 CPUCLK [0:1] PCICLK[1:5], PCICLK_F, EPCICLK USBCLK REFCLK[0:1] 00 (–0.6% downspread) 1 66.67 MHz 33.3 MHz 48 MHz 14.318 MHz 0 1 (no spread) 1 66.67 MHz 33.3 MHz 48 MHz 14.318 MHz 10 (–0.6% downspread) 1 100 MHz 33.3 MHz 48 MHz 14.318 MHz 1 1 (no spread) 1 100 MHz 33.3 MHz 48 MHz 14.318 MHz 00 (–0.6% downspread) 0 16.67 MHz 8.33 MHz 48 MHz 14.318 MHz 0 1 (no spread) 0 16.67 MHz 8.33 MHz 48 MHz 14.318 MHz 10 (–0.6% downspread) 0 25.0 MHz 8.33 MHz 48 MHz 14.318 MHz 1 1 (no spread) 0 25.0 MHz 8.33 MHz 48 MHz 14.318 MHz Function Table: CY2285-3 SEL100 SEL48[4] TS[4] SPREAD[4] CPUCLK[0:1] PCICLK[1:5], PCICLK_F USB_IOCLK USBCLK REFCLK1 X X 0 X Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z 0 1 1 1 (no spread) 66.6 MHz 33.3 MHz 24 MHz 48 MHz 14.318 MHz 00 1 0 (–0.6% downspread) 66.6 MHz 33.3 MHz 48 MHz 48 MHz 14.318 MHz 1 1 1 1 (no spread) 100 MHz 33.3 MHz 24 MHz 48 MHz 14.318 MHz 10 1 0 (–0.6% downspread) 100 MHz 33.3 MHz 48 MHz 48 MHz 14.318 MHz Note: 4. Power-on strap option. |
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