W83194R-39 Просмотр технического описания (PDF) - Winbond

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W83194R-39

100MHZ 3-DIMM CLOCK

Winbond 

W83194R-39/-39A

• ¡Ó0.25% or ¡Ó0.5% spread spectrum function to reduce EMI

• Programmable registers to enable/stop each output and select modes

(mode as Tri-state or Normal )

• 2ms power up clock stable time

• MODE pin for power Management

• One 48 MHz for USB & one 24 MHz for super I/O

• 48-pin SSOP package

PRELIMINARY

3.0 BLOCK DIAGRAM

Xin

Xout

BUFFER IN

FS(0:2)* 3

MODE*

CPU_STOP#

PCI_STOP#

SDATA*

SDCLK*

W83194R-39

PLL2

~

XTAL

OSC

1/2

STOP

6

PLL1

Spread

Spectrum

LATCH

~4

POR

Control

Logic

Config.

Reg.

STOP

STOP

PCI

Clock STOP

Divider

48MHz

24MHz

IOAPIC

REF(0:1)

2

CPUCLK_F

CPUCLK1

Xin

Xout

BUFFER IN

SDRAM(0:12)

13

FS(0:3)* 4

MODE*

PCICLK(0:4)

5

PCICLK_F CPU_STOP#

PCI_STOP#

SDATA*

SDCLK*

W83194R-39A

PLL2

~

XTAL

OSC

1/2

STOP

6

PLL1

Spread

Spectrum

LATCH

~4

POR

STOP

STOP

PCI

Clock

Divider

STOP

Control

Logic

Config.

Reg.

48MHz

24MHz

IOAPIC

REF(0:1)

2

CPUCLK_F

CPUCLK1

SDRAM12

SDRAM(0:11)

12

PCICLK(0:4)

5

PCICLK_F

Publication Release Date: May 1998

-2-

Revision 0.20

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