W83195WG-382 Nuvoton Technology Corporation of America, W83195WG-382 Datasheet
W83195WG-382
Specifications of W83195WG-382
Related parts for W83195WG-382
W83195WG-382 Summary of contents
Page 1
... Winbond Clock Generator W83195WG-382 W83195CG-382 For ATI K8 Chipset Date: Feb/27/2006 Revision: 0.6 ...
Page 2
... W83195WG-382/W83195CG-382 Data Sheet Revision History PAGES DATES 1 n.a. 01/20/2006 2 15 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
... Register 19: ( Default : 04h ) ..................................................................................................14 7.21 Register 20: ( Default : 88h ) ..................................................................................................15 7.22 Register 21: ( Default : ECh ).................................................................................................15 Table3: SRC & ATIG Frequency Selection Table..............................................................................16 8. ACCESS INTERFACE .............................................................................................................. 17 8.1 Block Write protocol ...............................................................................................................17 W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 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-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR - III - Publication Release Date: Feb 2006 Revision 0.6 ...
Page 5
... The W83195WG-382/W83195CG-382 provides I enable or disable each clock outputs and provides programmable S.S.T. scale to reduce EMI. The W83195WG-382/W83195CG-382 accepts a 14.318 MHz reference crystal as its input and runs on a 3.3V supply. 2. PRODUCT FEATURES • 2 pair push-pull Differential clock outputs for CPU. ...
Page 6
... PIN CONFIGURATION *TURBO_SEL/USB_48 & TURBO/ #: Active low *: Internal pull up resistor 120K to VDD &: Internal Pull-down resistor 120K to GND 4. BLOCK DIAGRAM & W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR 1 XIN VDDREF 56 2 GND XOUT 55 & 3 VDD48 FSA/REF0 54 & 4 FSB/REF1 53 & 5 FSC/REF2 GND 52 6 *PD# ...
Page 7
... SRCC4 24 SRCT3 25 SRCC3 26 GND 27 ATIGT1 28 ATIGC1 W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR TYPE Crystal output at 14.318MHz nominally with internal loading IN capacitors (18pF). Crystal input with internal loading capacitors (18pF) and OUT feedback resistors. PWR Power supply for USB_48 Real time input pin to change frequency to a pre- programmed ...
Page 8
... I/O 55 GND PWR 56 VDDREF PWR W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR 0.7V current mode differential clock output for ATIG 0.7V current mode differential clock output for ATIG Ground pin Power supply for ATIG 0.7V current mode differential clock output for SRC ...
Page 9
... W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 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<1> 5 CPUEN<0> 4 Reserved 3 Reserved 2 FS2_BACK 1 FS1_BACK 0 FS0_BACK W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR PWD AFFECTED PIN / FUNCTION DESCRIPTION 0 0 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 3 CLREQB3#_Ctr W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 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 0 ...
Page 12
... REFEN<0> 1 F48EN 0 Reserved 7.6 Register 5: ( Default : 02h ) AFFECTED PIN/ BIT FUNCTION NAME(S) 7 Reserved 6 CNT_EN W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR SRCCLK0 is controlled by the CLREQB# pin 0 1: Controllable 0: Uncontrollable PCI0 output control 1 1: Enable 0: Disable HTTCLK0 output control 1 1: Enable 0: Disable PWD ...
Page 13
... SRCEN<4> 3 SRCEN<3> 2 ATIGEN<1> 1 ATIGEN<0> 0 SRCEN<0> W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR Read Back only. Timeout Flag Watchdog has ever started and count to zero a.) Watchdog is restarted and counting. b.) Power on default state 0 0 These bits will be reloaded in Reg-0 to select frequency table. As the watchdog is timeout and 0 EN_SAFE_FREQ=1 ...
Page 14
... FUNCTION NAME(S) 7 NVAL<7> 6 NVAL<6> 5 NVAL<5> 4 NVAL<4> 3 NVAL<3> 2 NVAL<2> 1 NVAL<1> 0 NVAL<0> W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR PWD FUNCTION DESCRIPTION 0 Winbond Chip ID.W83195C/W G -382 (BA5A06). 0 Winbond Chip ID. 0 Winbond Chip ID. 0 Winbond Chip ID. 0 Winbond Chip ID. 1 Winbond Chip ID. 1 Winbond Chip ID. ...
Page 15
... Table-2 CPU, SRC, PCI divider ratio selection Table HTT/PCI LSB BIT5 0 MSB Bit2/ 0 Reserved Bit4/ Bit9 1 Div12 W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR PWD FUNCTION DESCRIPTION 0 0 Spread Spectrum Up Counter bit 3 ~ bit Spread Spectrum Down Counter bit 3 ~ bit 0 1 2’s complement representation. ...
Page 16
... SPCNT<0> 7.16 Register 15: ( Default : 5Ch ) AFFECTED PIN/ BIT FUNCTION NAME(S) 7 INV_CPU 6 Reserved W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR PWD FUNCTION DESCRIPTION 0: Output frequency depend on frequency table 1: Program all clock frequency by changing M/N value The equation is VCO =14.318MHz*(N+4 Once the watchdog timer timeout, the bit will be clear. Then the frequency will be decided by hardware default FS< ...
Page 17
... INV_PCI 5 CSKEW<2> 4 CSKEW<1> 3 CSKEW<0> 2 PSKEW<2> 1 PSKEW<1> 0 PSKEW<0> W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR SRCT/ ATIG output state in during POWER DOWN assertion. 1: Driven (2*Iref) 0: Tristate (Floating) SRCT/ ATIG output state in during STOP Mode 0 assertion. 1: Driven (6*Iref) 0: Tristate (Floating) Complementary parts always tri-state (floating) in power down or stop mode ...
Page 18
... NtVAL<2> 1 NtVAL<1> 0 NtVAL<0> 7.20 Register 19: ( Default : 04h ) AFFECTED PIN/ BIT FUNCTION NAME(S) 7 SRC_FS<4> 6 SRC_FS<3> 5 SRC_FS<2> W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR PWD FUNCTION DESCRIPTION 0 Reserved 0 Reserved 0 Reserved Real mode overclocking CPU. 1: Enable 0: Disable 0 This bit should be enable before using real mode overclocking feature ...
Page 19
... FUNCTION NAME(S) 7 Reserved 6 CPU2SRC_SYNC 5 CPU2PCI_SYNC 4 Reserved 3 Reserved 2 SRCSKEW<2> 1 SRCSKEW<1> 0 SRCSKEW<0> W83195WG-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR 0 0 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-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR BIT 4 BIT 3 SRC,ATIG (MHZ) FS1 FS0 0 0 100.00 100. 100. 100. 101.00 101. 101. 101. 102.00 102. 102. 102. 104.00 104. 104. 104. 100. 100. 100. 100. 101. 101. 101. 101. 102. 102. 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-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR 2 C Serial Bus for microprocessor to read/write internal registers. In the - Publication Release Date: Feb 2006 ...
Page 22
... Output pin capacitance 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-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR ° C, SYMBOL MIN MAX UNITS V 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-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR ° ° +70 C, Test load Rs=33, Rp=49.9 Cl=2pF, Vol=0.175V, Min Max Units 175 ...
Page 24
... VDD= 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-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR ° C, Test load, Cl=10pF, Min Max Units 500 2000 ps 500 2000 ...
Page 25
... HOW TO READ THE TOP MARKING W83195WG-382 28051234 604LBABA W83195CG-382 28051234 604GBABA 1st line: Winbond logo and the type number: W83195WG-382/W83195CG-382 2nd line: Tracking code 2 8051234 2: wafers manufactured in Winbond FAB 2 8051234: wafer production series lot number 3rd line: Tracking code 604 L 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-382/W83195CG-382 STEPLESS FOR ATI K8 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-382/W83195CG-382 STEPLESS FOR ATI K8 CLOCK GENERATOR Important Notice Winbond Electronics Corporation America 2727 North First Street, San Jose, CA 95134, U ...