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932S421BFLF Scheda tecnica(PDF) 4 Page - Integrated Device Technology |
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932S421BFLF Scheda tecnica(HTML) 4 Page - Integrated Device Technology |
4 / 23 page IDTTM PCIe Gen2 and QPI Clock for Intel-Based Servers 1340G—01/26/10 ICS932S421B PCIe Gen2 and QPI Clock for Intel-Based Servers 4 General Description Block Diagram Power Groups ICS932S421B is a main clock synthesizer for CK410B-generation Intel server platforms. ICS932S421B is driven with a 14.318MHz crystal. It generates CPU outputs up to 400MHz and PCI-Express clocks at 100. The 48 MHz USB clock is an exact 48.000 MHz clock. The ICS932S421B generates all other clocks with less the +/- 100 ppm error. CPU PLL CONTROL LOGIC XTAL OSC. CPUCLK(3:0) FIXED PLL 48MHz DIVIDER DIVIDERS REF(1:0) SRCCLK(4:0) SDATA SCLK X1 X2 IREF FS(C:A) VTT_PWRGD#/PD SRC/PCI PLL DIVIDERS TEST_SEL PCICLK(3:0), PCICLK_F(2:0) VDD GND 53 50 Xtal, Ref 1,8 2,7 PCICLK outputs 15,25,28 20 SRCCLK outputs 35 34 Master clock, CPU Analog 12 14 48MHz, PLL_48 47,44,38 41 CPUCLK clocks Description Pin Number |
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