W83195WG-301 Nuvoton Technology Corporation of America, W83195WG-301 Datasheet

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W83195WG-301

Manufacturer Part Number
W83195WG-301
Description
IC CLOCK GENERATOR 56-TSSOP
Manufacturer
Nuvoton Technology Corporation of America
Type
Clock Generatorr
Datasheet

Specifications of W83195WG-301

Frequency - Max
400MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-TSSOP
Frequency-max
400MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output
-
Input
-
Winbond Clock Generator
W83195WG-301
W83195CG-301
For ATI P4 Chipset
Date: Feb/27/2006
Revision: 0.6

Related parts for W83195WG-301

W83195WG-301 Summary of contents

Page 1

... Winbond Clock Generator W83195WG-301 W83195CG-301 For ATI P4 Chipset Date: Feb/27/2006 Revision: 0.6 ...

Page 2

... W83195WG-301/W83195CG-301 Data Sheet Revision History Pages Dates 1 n.a. 01/20/2006 2 8,13 02/27/2006 Please note that all data and specifications are subject to change without notice. All the trademarks of products and companies mentioned in this data sheet belong to their respective owners. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury ...

Page 3

... Table3: SRC & ATIG Frequency Selection Table..............................................................................16 8. ACCESS INTERFACE .............................................................................................................. 17 8.1 Block Write protocol ...............................................................................................................17 8.2 Block Read protocol ...............................................................................................................17 8.3 Byte Write protocol .................................................................................................................17 8.4 Byte Read protocol.................................................................................................................17 W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR TABLE OF CONTENT - II - Publication Release Date: Feb 2006 Revision 0.6 ...

Page 4

... ATIG 0.7V Electrical Characteristics ...............................................................................19 9.7 PCI Electrical Characteristics.................................................................................................20 9.8 USB Electrical Characteristics ...............................................................................................20 9.9 REF Electrical Characteristics ...............................................................................................20 10. ORDERING INFORMATION..................................................................................................... 21 11. HOW TO READ THE TOP MARKING...................................................................................... 21 12. PACKAGE DRAWING AND DIMENSIONS.............................................................................. 22 W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR - III - Publication Release Date: Feb 2006 Revision 0.6 ...

Page 5

... The W83195WG-301/W83195CG-301 provides I enable or disable each clock outputs and provides programmable S.S.T. scale to reduce EMI. The W83195WG-301/W83195CG-301 accepts a 14.318 MHz reference crystal as its input and runs on a 3.3V supply. 2. PRODUCT FEATURES • 3 pair current-mode Differential clock outputs for CPU. ...

Page 6

... Active low *: Internal pull up resistor 120K to VDD &: Internal Pull-down resistor 120K to GND 4. BLOCK DIAGRAM XIN FS(A R#_ *VTT_PG C K410# *TU RB O_SEL & TUR PU_STO ATA SCLK W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR 1 VDDREF XIN 56 2 XOUT GND 55 & 3 VDD48 FSA/REF0 54 & 4 ...

Page 7

... GND 21 VDDSRC 22 SRCT4 23 SRCC4 24 SRCT3 25 SRCC3 26 GND 27 ATIGT1 28 ATIGC1 W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR Type Crystal output at 14.318MHz nominally with internal loading IN capacitors (18pF). Crystal input with internal loading capacitors (18pF) and feedback OUT resistors. PWR Power supply for USB_48 Real time input pin to change frequency to a pre-programmed ...

Page 8

... GND PWR Ground pin 56 VDDREF PWR Power supply for REF W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR Deciding the reference current for the differential pairs. The pin was connected to the precision resistor tied to ground to decide the appropriate current; 475 ohm is the standard value. ...

Page 9

... W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR BIT 3 CPU (MHZ) FS0 0 0 266. 133. 200. 166. 333. 100. 400. 200. 266. 133. 200. 166. 333. 100. 400. 200. 100. 133. 200. 166. 199. 266. 400. 333. 100. 133. 200. 166. 199. 266.68 ...

Page 10

... CPUEN<2> 6 CPUEN<1> 5 CPUEN<0> 4 CK410_N_BACK 3 Reserved 2 FS2_BACK 1 FS1_BACK 0 FS0_BACK W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR PWD AFFECTED PIN / FUNCTION DESCRIPTION Software frequency table selection through Enable software table selection FS[4:0 Hardware table setting (Jump mode Software table setting through Bit7~3 (Jumpless mode) Enable spread spectrum mode under clock output ...

Page 11

... Register 3: ( Default : 03h ) AFFECTED PIN/ BIT FUNCTION NAME(S) 7 CLREQB7#_Ctr 6 CLREQB6#_Ctr 5 CLREQB5#_Ctr 4 CLREQB4#_Ctr W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR PWD FUNCTION DESCRIPTION SRCCLK7 is controlled by the CLREQA# pin 0 1: Controllable 0: Uncontrollable SRCCLK6 is controlled by the CLREQA# pin 0 1: Controllable 0: Uncontrollable SRCCLK5 is controlled by the CLREQA# pin ...

Page 12

... FUNCTION NAME(S) 7 CPU2S_EN 6 CPU1S_EN 5 CPU0S_EN 4 REFEN<2> 3 REFEN<1> 2 REFEN<0> 1 F48EN 0 Reserved W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR SRCCLK3 is controlled by the CLREQB# pin 0 1: Controllable 0: Uncontrollable SRCCLK0 is controlled by the CLREQB# pin 0 1: Controllable 0: Uncontrollable PCI0 output control 1 1: Enable 0: Disable 1 Reserved PWD FUNCTION DESCRIPTION CPU_STOP# pin control ...

Page 13

... AFFECTED PIN/ BIT FUNCTION NAME(S) 7 SRCEN<7> 6 SRCEN<6> 5 SRCEN<5> 4 SRCEN<4> W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR PWD FUNCTION DESCRIPTION 0 Reserved Program this bit => Enable Watchdog Timer feature Disable Watchdog Timer feature. Enable WD sequence => 0 Program this bit to 1 firstly, then program the Reg-20 to start the counting Read-back this bit => ...

Page 14

... NVAL<8> 6 NVAL<9> 5 MVAL<5> 4 MVAL<4> 3 MVAL<3> 2 MVAL<2> 1 MVAL<1> 0 MVAL<0> W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR SRC3 output control 1 1: Enable 0: Disable ATIG1 output control 1: Enable 1 0: Disable ATI clock can’t be controlled by CLKREQ# pins ATIG0 output control 1: Enable 1 0: Disable ATI clock can’t be controlled by CLKREQ# pins ...

Page 15

... AFFECTED PIN/ BIT FUNCTION NAME(S) 7 Reserved 6 KVAL<9> 5 KVAL<5> 4 KVAL<4> 3 KVAL<3> 2 KVAL<2> 1 KVAL<1> 0 KVAL<0> W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR PWD FUNCTION DESCRIPTION Programmable N divisor bit 7 ~0. The bit 8,9 is defined in Register Default value follow FS PWD FUNCTION DESCRIPTION 0 0 Spread Spectrum Up Counter bit 3 ~ bit 0. ...

Page 16

... BIT FUNCTION NAME(S) 7 Reserved 6 Reserved 5 SPCNT<5> 4 SPCNT<4> 3 SPCNT<3> 2 SPCNT<2> 1 SPCNT<1> 0 SPCNT<0> W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR SRC Bit3 Div20 Div6 Reserved Div30 Div8 Div10 PWD FUNCTION DESCRIPTION 0: Output frequency depend on frequency table 1: Program all clock frequency by changing M/N value The equation is VCO =14 ...

Page 17

... INV_SRC 6 INV_PCI 5 CSKEW<2> 4 CSKEW<1> 3 CSKEW<0> 2 PSKEW<2> 1 PSKEW<1> 0 PSKEW<0> W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR PWD FUNCTION DESCRIPTION Invert the CPUCLKT1/0 phase 0 0: Default 1: Inverse 1 Reserved CPUT/ SRCT/ ATIG output state in during POWER DOWN assertion. 1: Driven (2*Iref) 0: Tristate (Floating) CPUT/ SRCT/ ATIG output state in during STOP 0 Mode assertion ...

Page 18

... Register 19: ( Default : 04h ) AFFECTED PIN/ BIT FUNCTION NAME(S) 7 SRC_FS<4> 6 SRC_FS<3> 5 SRC_FS<2> 4 SRC_FS<1> 3 SRC_FS<0> W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR PWD FUNCTION DESCRIPTION 0 Reserved 0 Reserved 0 Reserved Real mode overclocking CPU. 1: Enable 0 0: Disable This bit should be enable before using real mode overclocking feature ...

Page 19

... Reserved 6 CPU2SRC_SYNC 5 CPU2PCI_SYNC 4 Reserved 3 Reserved 2 SRCSKEW<2> 1 SRCSKEW<1> 0 SRCSKEW<0> W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR CPU1 center skew control 1 Skew resolution is 300ps 0 The decision of skew direction is same as 0 CENTERSKEW<2:0> setting PWD FUNCTION DESCRIPTION 1 Reserved 0 0 Setting the down count depth (Failure decision). ...

Page 20

... W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR BIT 4 BIT 3 SRC,ATIG (MHZ) FS1 FS0 0 0 100.00 100. 100. 100. 101. 101.00 101. 101. 102.00 102. 102. 102. 104.00 104. 104.00 104. 100. 100.00 100. 100.00 101. 101. 101.00 101. 102. 102.00 102. 102.00 ...

Page 21

... Block Write protocol 8.2 Block Read protocol ## In block mode, the command code must filled 8’h00 8.3 Byte Write protocol 8.4 Byte Read protocol W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR 2 C Serial Bus for microprocessor to read/write internal registers. In the - Publication Release Date: Feb 2006 ...

Page 22

... Input pin inductance 9.3 Skew Group timing clock ± ° VDD = 3. +70 Parameter CPU pair to CPU pair Skew SRC pair to SRC pair Skew PCI to PCI Skew 48MHz to 48MHz Skew W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR ° C, Symbol Min Max Units V 0 2.0 ...

Page 23

... Voh=0.525V, Vr=475, IREF=2.32mA, Ioh=6*IREF Parameter Rise Time Fall Time Absolute crossing point Voltages Voltage High Voltage Low Cycle to Cycle jitter Duty Cycle W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR ° ° +70 C, Test load Rs=33, Rp=49.9 Cl=2pF, Vol=0.175V, Min Max Units 175 ...

Page 24

... VDDR= 3. +70 Parameter Rise Time Fall Time Cycle to Cycle jitter Duty Cycle Pull-Up Current Min Pull-Up Current Max Pull-Down Current Min Pull-Down Current Max W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR ° C, Test load, Cl=10pF, Min Max Units 500 2000 ps 500 2000 ...

Page 25

... HOW TO READ THE TOP MARKING W83195WG-301 28051234 604LBABA W83195CG-301 28051234 604GBABA 1st line: Winbond logo and the type number: W83195WG-301/W83195CG-301 2nd line: Tracking code 2 8051234 2: wafers manufactured in Winbond FAB 2 8051234: wafer production series lot number 3rd line: Tracking code 604 604: packages made in '2006, week 04 L: assembly house ID ...

Page 26

... PACKAGE DRAWING AND DIMENSIONS 56 PIN TSSOP-240mil 56 PIN SSOP-300mil .035 .045 0.40/0.50 DIA TOP VIEW D Y SEATING PLANE e PARTING LINE b SIDE VIEW c θ W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR SYMBOL .045 .055 A END VIEW SEE DETAIL "A" θ θ DETAIL"A" DIMENSION IN MM DIMENSION IN INCH MIN ...

Page 27

... FAX: 886-2-8751-3579 Please note that all data and specifications are subject to change without notice. All the trade marks of products and companies mentioned in this data sheet belong to their respective owners. W83195WG-301/W83195CG-301 STEPLESS FOR ATI P4 CLOCK GENERATOR Important Notice Winbond Electronics Corporation America 2727 North First Street, San Jose, CA 95134, U ...

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