w83194br-372 Winbond Electronics Corp America, w83194br-372 Datasheet - Page 5

• Manufacturer Part Number: w83194br-372
• Description: Clock Generator For Sis 746/748 Chipsets
• Manufacturer: Winbond Electronics Corp America

3. PIN CONFIGURATION
4. BLOCK DIAGRAM
#: Active low
*: Internal pull up resistor 120K to VDD
&: Internal Pull-down resistor 120K to GND
CPU_STOP#*
PCI_STOP#*
SDATA*
SCLK*
FS(0:3)
XOUT
PD#*
XIN
PCI_STOP#*
FS2
FS3*/PCI_F1
FS0
FS1
VDDREF
&
VDDPCI
VDDPCI
XTAL
M/N/Ratio
/PCI_F0
&POR
&Config
Interface
PLL2
Register
Spectrum
Latch
&
&
ZCLK0
ZCLK1
OSC
Control
XOUT
VDDZ
Logic
/REF0
/REF1
Spread
PLL1
ROM
I2C
REF2
GND
GND
GND
GND
PCI0
PCI1
PCI2
PCI3
PCI4
PCI5
XIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
VCOCLK
- 2 -
Divider
Divider
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
VDDI
IOAPIC1
IOAPIC0
GND
CPU_STOP#*
CPUT1
VDDCPU
GND
CPUT0
CPUC0
VDDCPU
GND
VDDA
SCLK*
SDATA*
PD#*
GND
AGP_0
AGP_1
VDDAGP
VDD48
48MHz
24_48MHz
GND
2
2
8
2
2
3
PCI_F0:1,P
REF 0:2
AGP 0:1
24_48MHz
48MHz
W83194BR-372
IOAPIC0:1
CPUT0:1
CPUC0
ZCLK0:1
CI_0:5