SC670 Datasheet (International Microcircuits)

SC670, I2C Clock Generator

Xin, Xout - These pins form an on-chip reference oscillator when connected to terminals of an external parallel resonant crystal (nominally 14.318 MHz).

Xin may also serve as input for an externally generated reference signal.

SEL - Standard frequency select input.

It has internal pull-up.

CPUCLK(0:

SC670 Features

* SEL FREQUENCY TABLE CPU 60.0 66.6 PCI 30.0 33.3 0 1

* Supports Pentium & Pro CPUs. 4 CPU clocks up to 8 loads. Up to 8 SDRAM clocks for 2 DIMs. Supports Power