w83194br-sd Winbond Electronics Corp America, w83194br-sd Datasheet - Page 6

• Manufacturer Part Number: w83194br-sd
• Description: Winbond Clock Generator For Intel P4 Springdale Series Chipset
• Manufacturer: Winbond Electronics Corp America

3. PIN CONFIGURATION
4. BLOCK DIAGRAM
#: Active low
*: Internal pull up resistor 120KΩ to VDD
&
: Internal Pull-down resistor 120KΩ to GND
CLOCK GEN. FOR INTEL P4 SPRINGDALE/PRESCOTT SERIES CHIPSET
V T T _ P W R G D
S E L 2 4 _ 4 8 #
V C H _ E N
SEL24_48#
S D A T A *
S C L K *
F S < 0 : 4 >
P D #
X O U T
X I N
FS3
&
FS2
FS4
&
&
&
&
&
/48M Hz_USB
48M Hz_DO T
/PC ICLK_F0
/PC ICLK_F1
&
PC ICLK_F2
/24_48M Hz
FS1*/REF0
FS0*/REF1
PCICLK 0
PCICLK 1
PCICLK 2
PCICLK 3
PCICLK 4
PCICLK 5
VD DRE F
VD DPCI
VD DPCI
XOU T
REF2
GN D
GN D
GN D
GN D
XIN
X T A L
M / N / R a t i o
& C o n f i g
I n t e r f a c e
& P O R
R e g i s t e r
P L L 2
S p e c t r u m
L a t c h
C o n t r o l
O S C
L o g i c
S p r e a d
P L L 1
R O M
I 2 C
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
V C O C L K
W83194BR-SD/W83194BG-SD
- 2 -
D i v i d e r
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
D i v i d e r
V DDA
G ND
IR EF
RE SET#
G ND
CPUCLKT1
CPUCLKC1
V DDC PU
CPUCLKT0
CPUCLKC0
G ND
SR CCLKT
SR CCLKC
V DD
V TT_PW RG D/PD#*
SD ATA *
SC LK*
3V 66_0
3V 66_1
G ND
V DD3V 66
3V 66_2
3V 66_3/V CH/VCH _EN
V DD48
3
3
2
2
3
9
R E F 0 : 2
S R C C L K C
S R C C L K T
R E S E T #
P C I C L K _ F 0 : 2
C P U C L K _ T 0 : 1
C P U C L K _ C 0 : 1
3 V 6 6 _ 0 : 2
P C I C L K _ 0 : 5 ,
3 V 6 6 _ 3 / V C H
R r e f
4 8 M H z _ U S B ,
4 8 M H z _ D O T ,
2 4 _ 4 8 M H z
&