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