CY28441

www.DataSheet4U.com CY28441 Clock Generator for Intel Alviso Chipset Features Compliant to Intel CK410M Supports Intel Pentium®-M CPU Selectable CPU frequencies Differential CPU clock pairs 100-MHz differential SRC clocks 96-MHz differential dot clock 48-MHz USB clocks SRC clocks independently stoppable through CLKREQ#[A:B] 33-MHz PCI clock Low-voltage frequency select input I2C support with readback capabilities Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction 3.3V power supply 56-pin TSSOP package CPU x2 / x3 SRC x6 / x7 PCI x6 REF x1 DOT96 x1 USB_48 x1 Block Diagram XIN XOUT CPU_STP# PCI_STP# CLKREQ[A:B]# FS_[C:A] VTT_PWRGD# IREF Pin Configuration VDD_PCI VSS_PCI PCI3 VDD_CPU PCI4 CPUT[0:1], CPUC[0:1], CPU(T/C)2_ITP] PCI5 VDD_SRC VSS_PCI SRCT[0:5], SRCC[0:5] VDD_PCI PCIF0/ITP_EN PCIF1 VTT_PWRGD#/PD VDD_PCI VDD_48 PCI[2:5] USB_48/FS_A VDD_PCIF VSS_48 PCIF[0:1] DOT96T DOT96C VDD_48 MHz FS_B/TEST_MODE DOT96T SRCT0 DOT96C SRCC0 USB_48 SRCT1 SRCC1 VDD_SRC SRCT2 SRCC2 SRCT3 SRCC3 SRC4_SATAT SRC4_SATAC VDD_SRC VDD_REF REF XTAL OSC PLL1 PLL Ref Freq Divider Network PD PLL2 SDATA SCLK I2C Logic 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 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 PCI2 PCI_STP# CPU_STP# FS_C/TEST_SEL REF VSS_REF XIN XOUT VDD_REF SDATA SCLK VSS_CPU CPUT0 CPUC0 VDD_CPU CPUT1 CPUC1 IREF VSSA VDDA CPUT2_ITP/SRCT...