mitac 8355.pdf - tim.id.au
mitac 8355.pdf - tim.id.au
mitac 8355.pdf - tim.id.au
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1.2.2 System frequency<br />
8355 N/B MAINTENANCE<br />
1.2.2.1 System frequency synthesizer_ICS950402<br />
Programmable Timing Control Hub AMD-K8 processor<br />
General Description<br />
The ICS950403 is a main system clock solution for desktop designs using the AMD K8 CPU. It prov<strong>id</strong>es all<br />
necessary clock signals for Clawhammer and Sledgehammer systems.<br />
The ICS950403 is part of a whole new line of ICS clock generators and buffers called TCH (Timing Control<br />
Hub). This part incorporates ICS's newest clock technology which offers more robust features and functionality.<br />
Employing the use of a serially programmable I2C interface, this device can adjust the output clocks by configuring<br />
the frequency setting, the output div<strong>id</strong>er ratios, selecting the <strong>id</strong>eal spread percentage, the output skew, the output<br />
strength, and enabling/disabling each indiv<strong>id</strong>ual output clock. M/N control can configure output frequency with<br />
resolution up to 0.1MHz increment.<br />
Recommended Application:<br />
AMD K8 System Clock with AMD or VIA Chipset<br />
Output Features:<br />
2 - Differential pair push-pull K8 CPU clocks<br />
9 - PCICLK (Including 1 free running) @3.3V<br />
3 - Selectable PCICLK/HTTCLK @3.3V<br />
1 - HTTCLK @3.3V<br />
10
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