W83194BR-903 Datasheet, PDF (6/26 Pages) Winbond – STEPLESS VIA PT/PM MAIN CLOCK GENERATOR

W83194BR-903
3. PIN CONFIGURATION
FS1* /REF0 1
FS0 ^&/REF1 2
VDDREF 3
XIN 4
XOUT 5
GND 6
FS2 ^&/PCI_F0 7
FS4 ^&/PCI_F1 8
PCI_F2 9
VDDPCI 10
GND 11
MODE ^&/PCI0 12
PCI1 13
PCI2 14
PCI3 15
PCI4 16
VDDPCI 17
GND 18
PCI_STOP#*/PCI5 19
CPU_STOP#*/PCI6 20
FS3 ^&/48MHz 21
SEL24_48# ^&/24_48MHz 22
GND 23
VDD48 24
#: Active low
*: Internal pull up resistor 120K to VDD
&: Internal Pull-down resistor 120K to GND
4. BLOCK DIAGRAM
48 VDDA
47 GND
46 IREF
45 CPUT_ITP
44 CPUC_ITP
43 GND
42 CPUT1
41 CPUC1
40 VDDCPU
39 CPUT0
38 CPUC0
37 GND
36 25MHz_0
35 25MHz_1
34 VDD2.5
33 VTT_PWRGD/PD#*
32 SDATA*
31 SCLK*
30 RESET#
29 AGP_0
28 GND
27 VDDAGP
26 AGP_1
25 AGP_2
XIN
XOUT
VTT_PWRGD
FS(0:4)
MODE ^&
SEL24_48# ^&
PD#*
PCI_STOP#*
CPU_STOP#*
SDATA*
SCLK*
PLL2
XTAL
OSC
PLL1
Spread
Spectrum
M/N/Ratio
ROM
VCOCLK
Latch
&POR
Control
Logic
&Config
Register
I2C
Interface
Divider
Divider
48MHz
24_48MHz
2
REF 0:1
2
CPUT0:1
CPUC0:1
2
CPUT_ITP
CPUC_ITP
2
25MHz_0:1
3
AGP 0:2
10 _{PCI_F0:2,PC}
I_0:6
RESET#
Rref
-2-