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PDF W83115RG-BW Data sheet ( Hoja de datos )
| Número de pieza | W83115RG-BW | |
| Descripción | (W83115RG-BW / W83115WG-BW) Clock Generator | |
| Fabricantes | Winbond | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de W83115RG-BW (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Winbond Clock Generator
W83115RG-BW
W83115WG-BW
For INTEL Broadwater Chipset
Date: Dec./2006 Revision: 1.0
1 page  
www.DataSheet4U.com
W83115RG-BW/W83115WG-BW
STEPLESS FOR INTEL BROADWATER CLOCK GENERATOR
1. GENERAL DESCRIPTION
The W83115RG-BW/W83115WG-BW is a Clock Synthesizer for Intel Broadwater series chipsets.
W83115RG-BW/ W83115WG-BW provides all clocks required for the high-speed microprocessor and
provides step-less frequency programming and 32 different frequencies of CPU, PCI, and SRC clocks
setting, support SATA and DOT clock outputs, all clocks are externally selectable with smooth
transitions.
The W83115RG-BW/W83115WG-BW provides I2C serial bus interface to program the registers to
enable or disable each clock outputs and provides -0.5% down type spread spectrum or
programmable S.S.T. scale to reduce EMI.
The W83115RG-BW/W83115WG-BW 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.
• 7 pair push-pull Differential clock outputs for SRC.
• 1 pair push-pull Differential clock outputs for CPU/SRC selectable.
• 1 pair push-pull Differential clock outputs for DOT/SRC selectable.
• 5 PCI clock outputs, 1 free running.
• 1 48 MHz clock output for USB.
• 1 14.318MHz REF clock output.
• Smooth frequency switch with selections from 100 to 400MHz.
• Step-less frequency programming.
• I2C 2-wire serial interface and support byte read/write and block read/write.
• -0.5% down type spread spectrum in H/W and software select mode.
• Programmable S.S.T. scale to reduce EMI in M/N mode.
• Programmable registers to enable/disable each output and select modes.
• Programmable clock outputs slew rate control and skew control.
• 56 pins TSSOP/SSOP package.
Publication Release Date: December, 2006
- 1 - Revision 1.0
5 Page 
www.DataSheet4U.com
W83115RG-BW/W83115WG-BW
STEPLESS FOR INTEL BROADWATER CLOCK GENERATOR
6. FREQUENCY SELECTION BY HARDWARE OR SOFTWARE
This frequency table is used at power on latched FS [2:0] value or software programming at SSEL
[4:0] (Register 13 bit 7 ~ 3). If FS [2:0] no any external circuit to modify power on status the Gray
shading is Hardware default frequency.
BIT 7
FS4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
BIT 6
FS3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
BIT 5
FS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
BIT 4
FS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
BIT 3
FS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
CPU (MHZ)
266.68
133.34
200.01
166.68
333.36
100.00
400.01
233.33
266.97
133.93
200.90
166.86
333.72
100.90
400.91
233.86
266.68
133.34
200.01
166.68
333.36
100.00
400.01
233.33
266.97
133.93
200.90
166.86
333.72
100.90
400.91
233.86
SRC (MHZ)
100.00
100.00
100.00
100.01
100.01
100.00
100.00
100.00
100.12
100.45
100.45
100.12
100.12
100.90
100.23
100.23
100.00
100.00
100.00
100.01
100.01
100.00
100.00
100.00
100.12
100.45
100.45
100.12
100.12
100.90
100.23
100.23
SATA (MHZ)
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
PCI (MHZ)
33.33
33.33
33.33
33.34
33.34
33.33
33.33
33.33
33.37
33.48
33.48
33.37
33.37
33.63
33.41
33.41
33.33
33.33
33.33
33.34
33.34
33.33
33.33
33.33
33.37
33.48
33.48
33.37
33.37
33.63
33.41
33.41
Publication Release Date: December, 2006
- 7 - Revision 1.0
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet W83115RG-BW.PDF ] | |
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