w83194br-323 Winbond Electronics Corp America, w83194br-323 Datasheet - Page 5

• Manufacturer Part Number: w83194br-323
• Description: Clock For Intel Chipsets
• Manufacturer: Winbond Electronics Corp America

3. BLOCK DIAGRAM
4. PIN CONFIGURATION
STEPLESS CLOCK FOR INTEL BROOKDALE CHIPSET
PCICLK_F2/&SEL24_4
8
*MULTSEL1/REF1
PCICLK_F0/*FS2
PCICLK_F1/*FS3
PCICLK0/*FS4
24_48MHz/*FS1
VTTPWRGD#
48MHz/*FS0
VDDREF
PCICLK1
PCICLK2
PCICLK3
PCICLK4
PCICLK5
PCICLK6
* :internal 120K pull-up
&:internal 120K pull-down
MULTISEL 0:1
#: active low
VTTPWRGD#
RESET#
VDDPCI
VDDPCI
CPU_STOP#
VDD48
PCI_STOP#
Xout
Xin
FS<4:0>
GND
GND
GND
*SDATA
*SDCLK
XOUT
XIN
PD#
2
M/N/Ratio
Spectrum
PLL2
XTAL
Register
Control
OSC
Spread
Config
interface
12
14
18
PLL1
ROM
Logic
10
11
13
15
16
17
19
20
21
22
23
24
S.S.P
8 9
Latch
POR
1
2
3
4
6
7
8
I2C
5
&
&
VCOCLK
W83194BR-323/W83194BG-323
1/2
/2,/4,/8,/16
/5,/10,/20
Divider
/3,/6,/12
/7,/14
/9,/18
- 2 -
Mux
33
32
31
30
29
28
27
26
25
48
47
46
45
43
42
41
40
39
38
37
36
35
34
44
Stop
Stop
Driver
*MULTSEL0/REF0
CPUCLK_T2
CPUCLK_C2
GND
VDDCPU
CPUCLK_T0
CPUCLK_T1
CPUCLK_C1
VDDCORE
VDD3V66
3V66_1
3V66_2
GND
CPUCLK_C0
GND
3V66_0
GND
3V66_3 / 48MHz /*SEL48_66
*SDATA
VDDCPU
IREF
GND
*SDCLK
*PD#
1
0
2
3
3
4
24_48MHz
48MHz
REF0:1
Rref
CPUCLK_T 0:2
CPUCLK_C 0:2
3V66_0:3
PCICLK_F0:2
PCICLK_0:6
RESET#