W83194BR-SD 데이터 시트보기 (PDF) - Winbond
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W83194BR-SD Datasheet PDF : 26 Pages
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W83194BR-SD/W83194BG-SD
CLOCK GEN. FOR INTEL P4 SPRINGDALE/PRESCOTT SERIES CHIPSET
CPU, SRC, 3V66, PCI Clock Outputs continued
PIN
9
10
13, 14, 15,
16, 19, 20
PIN NAME
PCICLK7_F1
FS4&
PCICLK_F2
PCICLK [0:5]
TYPE
OUT
INtd120k
OUT
DESCRIPTION
PCI clock output.
Latched input for FS4 at initial power up for H/W selecting
the output frequency clocks. This is internal 120KΩ pull
down.
PCI clock outputs.
OUT PCI clock outputs.
5.3 Fixed Frequency Outputs
PIN PIN NAME TYPE
DESCRIPTION
REF0
OUT 14.318 MHz output.
1
FS1*
INtp120k
Latched input for FS1 at initial power up for H/W selecting the
output frequency clocks. This is internal 120KΩ pull up.
REF1
OUT 14.318 MHz output.
2
FS0*
INtp120k
Latched input for FS0 at initial power up for H/W selecting the
output frequency clocks. This is internal 120KΩ pull up.
3
REF2
OUT 14.318 MHz output.
24_48 MHz OUT 48 MHz clock output.
21
Latched input at initial power up for 24_48 MHz selecting the output
SEL24_48#& INtd120k frequency clocks. This is internal 120KΩ pull down, 1 = 24 MHz, 0
= 48 MHz (default).
48 MHz_USB OUT 48 MHz clock output.
22
FS3&
INtd120k
Latched input for FS3 at initial power up for H/W selecting the
output frequency clocks. This is internal 120KΩ pull down.
23 48 MHz_DOT OUT 48 MHz clock output.
5.4 I2C Control Interface
PIN PIN NAME TYPE
DESCRIPTION
33
SDATA*
I/OD
Serial data of I2C 2-wire control interface with internal pull-up
resistor.
32
SCLK*
IN
Serial clock of I2C 2-wire control interface with internal pull-up
resistor.
-4-
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