W83195WG-413 Datasheet, PDF(3/27 Page) Winbond

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W83195WG-413 Datasheet, PDF (3/27 Pages) Winbond – Winbond Clock Generator

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W83195WG-413/W83195CG-413

STEPLESS FOR ATI P4 CLOCK GENERATOR

TABLE OF CONTENT

1. GENERAL DESCRIPTION ......................................................................................................... 1

2. PRODUCT FEATURES .............................................................................................................. 1

3. PIN CONFIGURATION ............................................................................................................... 2

4. BLOCK DIAGRAM ...................................................................................................................... 2

5. PIN DESCRIPTION..................................................................................................................... 3

6. FREQUENCY SELECTION BY HARDWARE OR SOFTWARE ................................................ 5

I2C CONTROL AND STATUS REGISTERS ............................................................................... 6

7.1 Register 0: ( Default : 00h ) ......................................................................................................6

7.2 Register 1: ( Default : XXh) ......................................................................................................6

7.3 Register 2: ( Default : 03h ) ......................................................................................................7

7.4 Register 3: ( Default : 03h ) ......................................................................................................7

7.5 Register 4: ( Default : FEh) ......................................................................................................8

7.6 Register 5: ( Default : 02h ) ......................................................................................................9

7.7 Register 6: ( Default : FFh )......................................................................................................9

7.8 Register 7: Winbond Chip ID â Project Code Register ( Default : 06h )...............................10

7.9 Register 8: ( Default :D0h )..................................................................................................10

7.10 Register 9: ( Default : 7Ah )....................................................................................................11

7.11 Register 10: Reserved ( Default : 3Bh ).................................................................................11

7.12 Register 11: ( Default : 0Eh )..................................................................................................11

7.13 Register 12: ( Default : XXh ) .................................................................................................12

7.14 Register 13: ( Default : 3Fh )..................................................................................................12

7.15 Register 14: ( Default : D0h ) .................................................................................................13

7.16 Register 15: ( Default : 5Ch ) .................................................................................................13

7.17 Register 16: ( Default : 24h ) ..................................................................................................14

7.18 Register 17: Reserved ( Default : 0Fh ).................................................................................14

7.19 Register 18: Reserved ( Default : 7Ah ).................................................................................14

7.20 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

8.2 Block Read protocol ...............................................................................................................17

8.3 Byte Write protocol .................................................................................................................17

8.4 Byte Read protocol.................................................................................................................17

9. SPECIFICATIONS .................................................................................................................... 18

Publication Release Date: Feb 2006

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Revision 0.6

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