W83194BG-323 PDF даташит
Спецификация W83194BG-323 изготовлена «Winbond» и имеет функцию, называемую «STEPLESS CLOCK». |
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Детали детали
Номер произв | W83194BG-323 |
Описание | STEPLESS CLOCK |
Производители | Winbond |
логотип |
18 Pages
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W83194BR-323/W83194BG-323
STEPLESS CLOCK FOR INTEL
BROOKDALE CHIPSET
www.DataSheet4U.com
Date: 03/22/2006
Revision: 2.1
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W83194BR-323W83194BG-323
STEPLESS CLOCK FOR INTEL BROOKDALE CHIPSET
W83194BR-323 Data Sheet Revision History
PAGES DATES
1 n.a.
2 n.a.
13/May
VERSION WEB
VERSION
MAIN CONTENTS
n.a. All of the versions before 0.50 are for internal
use.
1.0 n.a Change version and version on web site to 1.0
3 P13 02/August
1.1
1.1 Delete Test mode register.
4 All 02/20/2003 2.0
2.0 Update new form
5
03/22/2006
2.1
Add lead free part number --- W83194BG-323
6
7
8
9
10
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. Winbond
customers using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify Winbond for any damages resulting from such improper use or sales.
Publication Release Date: March 2006
- I - Revision 2.1
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W83194BR-323W83194BG-323
STEPLESS CLOCK FOR INTEL BROOKDALE CHIPSET
Table of Content-
1. GENERAL DESCRIPTION ......................................................................................................... 1
2. PRODUCT FEATURES .............................................................................................................. 1
3. BLOCK DIAGRAM ...................................................................................................................... 2
4. PIN CONFIGURATION ............................................................................................................... 2
5. PIN DESCRIPTION..................................................................................................................... 3
5.1 Crystal I/O.................................................................................................................................3
5.2 CPU, 3V66, and PCI Clock Outputs........................................................................................3
5.3 I2C Control Interface .................................................................................................................4
5.4 Fixed Frequency Outputs.........................................................................................................4
5.5 Power Pins................................................................................................................................5
6. FREQUENCY SELECTION BY HARDWARE OR SOFTWARE ................................................ 6
7. I2C CONTROL AND STATUS REGISTERS .............................................................................. 7
7.1 Register 0: Frequency Select Register (default = 0)...............................................................7
7.2 Register 1: CPU Clock Register (1 = enable, 0 = Stopped) ...................................................7
7.3 Register 2: PCI Clock Register (1 = enable, 0 = Stopped) .....................................................7
7.4 Register 3: PCI, 48MHz Clock Register (1 = enable, 0 = Stopped) .......................................8
7.5 Register 4: 3V66 Control Register (1 = enable, 0 = Stopped)................................................8
7.6 Register 5: Watchdog Control Register...................................................................................8
7.7 Register 6: Watchdog Timer Register .....................................................................................9
7.8 Register 7: M/N Program Register ..........................................................................................9
7.9 Register 8: M/N Program Register ..........................................................................................9
7.10 Register 9: Spread Spectrum Programming Register ..........................................................10
7.11 Register 10: Divisor and Step-less Enable and Skew Control Register...............................10
7.12 Register 11: Winbond Chip ID Register (Read Only).........................................................11
7.13 Register 12: Winbond Chip ID Register (Read Only).........................................................11
7.14 Register 13: Reserved ...........................................................................................................11
7.15 Register 14: CPU to PCI Skew Control .................................................................................12
7.16 Register 15: SEL24_48 and SEL48_66 Control ...................................................................12
8. ACCESS INTERFACE .............................................................................................................. 13
8.1 Block Write protocol ...............................................................................................................13
8.2 Block Read protocol ...............................................................................................................13
8.3 Byte Write protocol .................................................................................................................13
8.4 Byte Read protocol.................................................................................................................13
9. ORDERING INFORMATION..................................................................................................... 14
10. HOW TO READ THE TOP MARKING...................................................................................... 14
11. PACKAGE DRAWING AND DIMENSIONS.............................................................................. 15
- II -
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W83194BG-323 | STEPLESS CLOCK | Winbond |
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