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CY28547LFXCT Datasheet(PDF) 1 Page - Silicon Laboratories |
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CY28547LFXCT Datasheet(HTML) 1 Page - Silicon Laboratories |
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1 / 25 page  Clock Generator for Intel®CK410M/CK505 CY28547 ....................... Document #: 001-05103 Rev *B Page 1 of 24 400 West Cesar Chavez, Austin, TX 78701 1+(512) 416-8500 1+(512) 416-9669 www.silabs.com Features • Compliant to Intel® CK410M and CK505 • Selectable CPU frequencies • Low power differential CPU clock pairs • 100-MHz low power differential SRC clocks • 96-MHz low power differential dot clock • 27-MHz Spread and Non-spread video clock • 48-MHz USB clock • SRC clocks independently stoppable through CLKREQ#[1:9] • 96/100-MHz low power spreadable differential video clock • 33-MHz PCI clocks • Buffered Reference Clock 14.318 MHz • Low-voltage frequency select inputs •I2C support with readback capabilities • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction • 3.3V power supply • 72-pin QFN package Table 1. Output Confguration Table CPU SRC PCI REF DOT96 USB_48M LCD 27M x2/x3 x9/11 x5 x 2 x 1 x 1 x1 x2 Pin Configuration Block Diagram VDD_REF VDD_CPU VDD_SRC VTTPWR_GD#/PD PLL Reference FS[C:A] PLL1 CPU PLL3 Graphi c Divider Divider PLL2 Fixed Divider Divider CLKREQ# VDD_SRC REF[1:0] CPUT[1:0] CPUC[1:0] CPUT2_ITP/SRCT10 CPUC2_ITP/SRCC10 SRCT [9:1] SRCC [9:1] I2C Logic SDATA SCLK 14.318MHz Crystal Xin Xout ITP_EN VDD_48 USB_48 [1:0] VDD_PCI PCI[4:1] VDD_48 27_NSS Divider FCTSEL PCI_STP# CPU_STP# VDD_PCI PCIF0 27_SS VDD_48 VDD_SRC LCD_100MT/SRCT0 LCD_100MC/SRCC0 VDD_48 DOT96T DOT96C PLL4 27M 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 VDD_SRC 1 54 VDD_SRC SRCC_9 2 53 SRCC_2 SRCT_9 3 52 SRCT_2 VSS_SRC 4 51 SRCC_1/SATAC CPUC2_ITP / SRCC_10 5 50 SRCT_1/SATAT CPUT2_ITP / SRCT_10 6 49 VDD_SRC VDDA 7 48 SRCC_0 / LCD100MC VSSA 8 47 SRCT_0 / LCD100MT * PGMODE 9 46 CLKREQ1# CPUC1_MCH 10 45 FSB/TEST_MODE CPUT1_MCH 11 44 DOT96C / 27M_SS VDD_CPU 12 43 DOT96T / 27M_NSS CPUC0 13 42 VSS_48 CPUT0 14 41 48M / FSA VSS_CPU 15 40 VDD_48 SCLK 16 39 VTT_PWRGD# / PD (CKPWRGD/PD#) SDATA 17 38 CLKREQ7# VDD_REF 18 37 PCIF0/ITP_SEL 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 CY28547 |
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