ICS950401 clock equivalent, system clock.
VDDREF 2
* 2 - Differential pair push-pull CPU clocks @ 3.3V X1 3
* 7 - PCI (Including 1 free running) @3.3V X2 4
* 3 - Selectable HT/PCI 66/33MHz @3.3V GND .
PIN # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 PIN NAME *FS0/REF0 VDDREF X1 X2 GND *PCI33/HT66SEL# PCICLK33/HT66_0 PCICLK33/HT66_1 VDDPCI GND PCICLK33/HT66.
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