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W83194BR-903 Datasheet Download - Winbond

Номер произв W83194BR-903
Описание STEPLESS VIA PT/PM MAIN CLOCK GENERATOR
Производители Winbond
логотип Winbond логотип 

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W83194BR-903 Даташит, Описание, Даташиты
W83194BR-903 & W83194BG-903
STEPLESS VIA PT/PM MAIN CLOCK
GENERATOR
www.DataSheet4U.com
Date: 5/2/2006
Revision: 1.0







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W83194BR-903 Даташит, Описание, Даташиты
W83194BR-903/W83194BG-903
W83194BR-903 Datasheet Revision History
PAGES DATES VERSION
1 n.a.
2 n.a. 09/07/03
3 6 10/28/03
4 7,9,19 12/18/03
0.5
0.6
0.7
5
05/02/06
1.0
WEB
VERSION
n.a.
n.a.
n.a.
n.a.
1.0
MAIN CONTENTS
All of the versions before 0.50 are for internal
use.
First published preliminary version.
Modify frequency table
Correction IC version, correction some
description and default value
Update on Web and add lead free part
6
7
8
9
1
0
Publication Release Date: May 2006
- I - Revision 1.0







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W83194BR-903 Даташит, Описание, Даташиты
W83194BR-903/W83194BG-903
Table of Contents-
1. GENERAL DESCRIPTION .............................................................................................................. 1
2. PRODUCT FEATURES................................................................................................................... 1
3. PIN CONFIGURATION.................................................................................................................... 2
4. BLOCK DIAGRAM........................................................................................................................... 2
5. PIN DESCRIPTION ......................................................................................................................... 3
5.1 Crystal I/O...........................................................................................................................................3
5.2 CPU, AGP, and PCI Clock Outputs...................................................................................................3
5.3 Fixed Frequency Outputs...................................................................................................................4
5.4 I2C Control Interface...........................................................................................................................4
5.5 Power Management Pins...................................................................................................................5
5.6 IREF selects Function........................................................................................................................5
5.7 Power Pins .........................................................................................................................................5
6. FREQUENCY SELECTION BY HARDWARE OR SOFTWARE..................................................... 6
7. I2C CONTROL AND STATUS REGISTERS.................................................................................... 7
7.1 Register 0: Frequency Select (Default = 10h)...................................................................................7
7.2 Register 1: CPU Clock (1 = Enable, 0 = Stopped) (Default: E2h)....................................................7
7.3 Register 2: PCI Clock (1 = Enable, 0 = Stopped) (Default: FFh)......................................................8
7.4 Register 3: PCI, AGP Clock (1 = Enable, 0 = Stopped) (Default: FFh)............................................8
7.5 Register 4: 24_48MHz, 48MHz, REF, 25MHz Control (1 = Enable, 0 = Stopped) (Default: BFh)..8
7.6 Register 5: Watchdog Control (Default: 02h) ....................................................................................9
7.7 Register 6: Reserved (Default: 50h) (Read Only) .............................................................................9
7.8 Register 7: Winbond Chip ID (Default: 70h) (Read Only)...............................................................10
7.9 Register 8: M/N Program (Default: 90h)..........................................................................................10
7.10 Register 9: M/N Program (Default: 7Ah) .........................................................................................10
7.11 Register 10: M/N Program (Default: BBh).......................................................................................11
7.12 Register 11: Spread Spectrum Programming (Default: 0Bh) .........................................................11
7.13 Register 12: Divisor and Step-less Enable Control (Default: FBh).................................................11
7.14 Register 13: Divisor and Step-less Enable Control (Default: 0Fh) .................................................12
7.15 Register 14: Control (Default: 0Ah)..................................................................................................12
7.16 Register 15: SST & Skew Control (Default: 2Ch) ...........................................................................13
7.17 Register 16: Skew Control (Default: 24h)........................................................................................13
7.18 Register 17: Slew rate Control (Default: 00h)..................................................................................13
7.19 Register 18: Slew rate Control (Default: 00h)..................................................................................14
7.20 Register 19: Slew rate Control (Default: D2h).................................................................................14
- II -










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