W83194BR-911 查看數據表（PDF） - Winbond

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W83194BR-911

Winbond STEPLESS VIA PT/PM MAIN CLOCK GENERATOR

Winbond 

W83194BR-911, W83194BG-911

STEPLESS CLOCK FOR VIA PT/PM CHIPSET

3. PIN CONFIGURATION

FS1* /REF0 1

FS0 &/REF1 2

REF2 3

VDDREF 4

XIN 5

XOUT 6

GND 7

FS2 &/PCI_F0

8

FS4 &/PCI_F1

9

PCI_F2 10

VDDPCI 11

GND 12

MODE &/PCI0 13

PCI1 14

PCI2 15

PCI3 16

PCI4 17

VDDPCI 18

GND 19

PCI_STOP#* /PCI5 20

CPU_STOP#* /PCI6 21

VDDPCI 22

FS3 &/48MHz 23

SEL24_48# &/24_48MHz

24

48 VDDA

47 GND

46 IREF

45 RESET#

44 GND

43 CPUCLKT1

42 CPUCLKC1

41 VDDCPU

40 CPUCLKT0

39 CPUCLKC0

38 GND

37 25MHz_0

36 25MHz_1

35 VDD2.5

34 VTT_PWRGD/PD#*

33 SDATA*

32 SCLK*

31 AGP_0

30 AGP_1

29 GND

28 VDDAGP

27 AGP_2

26 VDD48

25 GND

#: Active low

*: Internal pull up resistor 120K to VDD

&: Internal Pull-down resistor 120K to GND

4. BLOCK DIAGRAM

XIN

XOUT

VTT_PWRGD

FS(0:4)

MODE &

SEL24_48# &

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 CPUCLKT0:1

CPUCLKC0:1

2

2

25MHz_0:1

3

AGP 0:2

10 PCI_F0:2,PC

I_0:6

RESET#

Rref

-2-

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