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W83195BG-118 Dataheets PDF



Part Number W83195BG-118
Manufacturers Winbond
Logo Winbond
Description Clock Generator
Datasheet W83195BG-118 DatasheetW83195BG-118 Datasheet (PDF)

www.DataSheet4U.com Winbond Clock Generator W83195BR-118/W83195BG-118 For Intel 915/945 Chipsets Date: May/02/2006 Revision: 0.81 W83195BR-118/W83195BG-118 STEPLESS FOR INTEL 915/945 CHIPSETS W83195BR-118 Datasheet Revision History PAGES DATES VERSION WEB VERSION MAIN CONTENTS 1 2 n.a. 8,13 07/22/2004 11/24/2004 0.5 0.6 n.a. n.a. All of the versions before 0.50 are for internal use. Correction IC version, add register default value and correction some description and default value Add.

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www.DataSheet4U.com Winbond Clock Generator W83195BR-118/W83195BG-118 For Intel 915/945 Chipsets Date: May/02/2006 Revision: 0.81 W83195BR-118/W83195BG-118 STEPLESS FOR INTEL 915/945 CHIPSETS W83195BR-118 Datasheet Revision History PAGES DATES VERSION WEB VERSION MAIN CONTENTS 1 2 n.a. 8,13 07/22/2004 11/24/2004 0.5 0.6 n.a. n.a. All of the versions before 0.50 are for internal use. Correction IC version, add register default value and correction some description and default value Add spread spectrum function control bit, and correction some description and default value Add Pb-free part number Refine the description and register value Change the part no from W83195BR119 to W83195BR-118 3 4 5 6 7 8 9 11,13 19 1-4,1012,14-16 All 01/05/2005 01/17/2005 3/25/2005 05/02/2006 0.7 0.71 0.8 0.81 n.a n.a n.a n.a. -I- Publication Release Date: May 2006 Revision 0.81 W83195BR-118/W83195BG-118 STEPLESS FOR INTEL 915/945 CHIPSETS Tables of Contents1. 2. 3. 4. 5. GENERAL DESCRIPTION......................................................................................................... 1 PRODUCT FEATURES.............................................................................................................. 1 PIN CONFIGURATION .............................................................................................................. 2 BLOCK DIAGRAM...................................................................................................................... 3 PIN DESCRIPTION .................................................................................................................... 3 5.1 Crystal I/O .....................................................................................................................................4 5.2 CPU and PCIE, PCI, Clock Outputs ............................................................................................4 5.3 Fixed Frequency Outputs .............................................................................................................4 5.4 I2C Control Interface .....................................................................................................................5 5.5 Power Management Pins .............................................................................................................5 5.6 Power Pins....................................................................................................................................6 6. 7. FREQUENCY SELECTION BY HARDWARE OR SOFTWARE................................................ 7 I2C CONTROL AND STATUS REGISTERS .............................................................................. 8 7.1 Register 0: Frequency Select Register (Default = 10h)...............................................................8 7.2 Register 1: CPU Clock Control (1 = Enable, 0 = Stopped) (Default: E2h) .................................8 7.3 Register 2: PCI Clock Control (1 = Enable, 0 = Stopped) (Default: FFh) ...................................9 7.4 Register 3: PCI Clock Control (1 = Enable, 0 = Stopped) (Default: FFh) ...................................9 7.5 Register 4: 24_48MHz, 48MHz, DOT, REF Control (1 = Enable, 0 = Stopped) (Default: FFh) 9 7.6 Register 5: Watchdog Control (Default: 02h).............................................................................10 7.7 Register 6: SRC, PCIE Control (1 = Enable, 0 = Stopped) (Default: FEh)...............................10 7.8 Register 7: Winbond Chip ID (Default: 22h) (Read Only) .........................................................11 7.9 Register 8: M/N Program (Default: 90h) ....................................................................................11 7.10 Register 9: M/N Program Register (Default: BBh).....................................................................11 7.11 Register 10: Reserved (Default: 3Bh) ........................................................................................12 7.12 Register 11: Spread Spectrum Programming (Default: 0Eh)....................................................12 7.13 Register 12: Divisor Control (Default: 08h) ................................................................................12 7.14 Register 13: Step-less Enable Control (Default: 0Ah)...............................................................13 7.15 Register 14: Control (Default: 10h) ............................................................................................14 7.16 Register 15: SST Control (Default: ECh) ...................................................................................14 7.17 Register 16: Skew Control (Default: E4h)..................................................................................15 7.18 Register 17: Slew rate Control (Default: 00h) ............................................................................15 7.19 Register 18: Reserved (Default: 00h) ....................................................................


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