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W83194BR-372

CLOCK GENERATOR FOR SIS 746/748 CHIPSETS

Winbond 

W83194BR-372

3. PIN CONFIGURATION

VDDREF 1

FS0&/REF0 2

FS1&/REF1 3

REF2 4

GND 5

XIN 6

XOUT 7

GND 8

ZCLK0 9

ZCLK1 10

VDDZ 11

PCI_STOP#* 12

VDDPCI 13

FS2&/PCI_F0 14

FS3*/PCI_F1 15

PCI0 16

PCI1 17

GND 18

VDDPCI 19

PCI2 20

PCI3 21

PCI4 22

PCI5 23

GND 24

#: Active low

*: Internal pull up resistor 120K to VDD

&: Internal Pull-down resistor 120K to GND

4. BLOCK DIAGRAM

48 VDDI

47 IOAPIC1

46 IOAPIC0

45 GND

44 CPU_STOP#*

43 CPUT1

42 VDDCPU

41 GND

40 CPUT0

39 CPUC0

38 VDDCPU

37 GND

36 VDDA

35 SCLK *

34 SDATA*

33 PD#*

32 GND

31 AGP_0

30 AGP_1

29 VDDAGP

28 VDD48

27 48MHz

26 24_48MHz

25 GND

XIN

XOUT

FS(0:3)

PD#*

PCI_STOP#*

CPU_STOP#*

SDATA*

SCLK*

PLL2

XTAL

OSC

PLL1

Spread

Spectrum

VCOCLK

M/N/Ratio

ROM

Latch

&POR

Divider

Divider

Control

Logic

&Config

Register

I2C

Interface

48MHz

24_48MHz

3

REF 0:2

2 CPUT0:1

CPUC0

2

ZCLK0:1

2

IOAPIC0:1

2

AGP 0:1

8 PCI_F0:1,P

CI_0:5

-2-

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