W83194BR-PT データシートの表示（PDF） - Winbond
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W83194BR-PT Datasheet PDF : 24 Pages
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W83194BR-PT
3. PIN CONFIGURATION
SEL24_48&/REF 1
VDDR 2
GND 3
XIN 4
XOUT 5
VDDA 6
FS3*/48MHz 7
FS2*/24_48MHz 8
GND 9
FS0&/PCI8 10
FS1&/PCI0 11
MULTISEL0*/PCI1 12
GND 13
PCI2 14
PCI3 15
VDDP 16
PCI4 17
PCI5 18
PCI6 19
GND 20
PCI7 21
PD#* 22
AGP0 23
VDDAGP 24
#: Active low
*: Internal pull up resistor 120K to VDD
&: Internal Pull-down resistor 120K to GND
4. BLOCK DIAGRAM
48 VDDI
47 GND
46 IOAPIC 0
45 IOAPIC 1
44 GND
43 VDDCS
42 CPUT_CS
41 CPUC_CS
40 CPUCLKT0
39 CPUCLKC0
38 VDDC
37 IREF
36 GND
35 CPUCLKT1
34 CPUCLKC1
33 VTT_PWRGD#
32 Ratio_1
31 Ratio_0
30 RESET#
29 SDATA
28 SCLK
27 AGP2
26 AGP1
25 GND
X IN
XOUT
VTT_PW RGD
F S (0 :3 )
M ULTISEL0*
SEL24_48#&
PD#*
SDATA*
SCLK*
PLL2
D ivider
XTAL
OSC
PLL1
Spread
S p ec tru m
VCOCLK
M /N/Ratio
ROM
D ivider
Latch
&POR
C o n tro l
L o g ic
& Config
R eg ister
I2C
Interface
48M Hz
24_48M H z
2
REF 0:1
CPUT_CS
CPUC_CS
2
CPUCLKT 0:1
CPU CLKC 0:1
2
IO A P IC
3
AG P 0:2
9
P C I_ 0 :8
Ratio (0:1)
RESET#
Rref
-2-
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