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CY28158PVC Datasheet(PDF) 3 Page - SpectraLinear Inc |
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CY28158PVC Datasheet(HTML) 3 Page - SpectraLinear Inc |
3 / 9 page CY28158 Rev 1.0, November 20, 2006 Page 3 of 9 Function Table[2] SEL133/ 100# SEL1 SEL0 CPU (MHz) 3V66 (MHz) PCI (MHz) 48MHZ (MHz) REF (MHz) IOAPIC (MHz) 000Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z Hi-Z 001100.227[3] 66.818[3] 33.409[3] 48.008[3] 14.318[3] 16.705[3] 010100 66.67 33.33 OFF 14.318 16.67 011100 66.67 33.33 48.008[3] 14.318 16.67 100TCLK/2 TCLK/4 TCLK/8 TCLK/2 TCLK TCLK/16 101N/A N/A N/A N/A N/A N/A 110133.33 66.67 33.33 OFF 14.318 16.67 111133.33 66.67 33.33 48.008[3] 14.318 16.67 Actual Clock Frequency Values Clock Output Target Frequency (MHz) Actual Frequency (MHz) PPM CPU 100.0 99.126 –8740 CPU 133.33 132.769 –4208 48MHZ 48.0 48.008 167 Clock Enable Configuration CPU_STOP# PWR_DWN# PCI_STOP# CPU 3V66 PCI PCI_F REF IOAPIC OSC. VCOs X 0 X LOW LOW LOW LOW LOW OFF OFF 0 1 0 LOW LOW LOW ON ON ON ON 01 1 LOW LOW ON ON ON ON ON 1 1 0 ON ON LOW ON ON ON ON 1 1 1 ON ONONON ON ON ON Clock Driver Impedances Impedance Buffer Name VDD Range Buffer Type Minimum Typical Maximum CPU, IOAPIC 2.375V – 2.625V Type 1 13.5 29 45 48MHZ, REF 3.135V – 3.465V Type 3 20 40 60 PCI, 3V66 3.135V – 3.465V Type 5 12 30 55 Note: 2. TCLK is a test clock driven in on the X1 input in test mode. 3. This selection is defined as “N/A” or “Reserved.” |
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