w83194br-655 Winbond Electronics Corp America, w83194br-655 Datasheet - Page 9

• Manufacturer Part Number: w83194br-655
• Description: Clock For Sis Chipsets Winbond Clock Generator
• Manufacturer: Winbond Electronics Corp America

5.3
5.4
PIN
PIN
25
27
26
34
35
2
3
Fixed Frequency Outputs
I
2
C Control Interface
REF0
FS0
REF1
FS1
48MHz
MODE
12_48MHz
SEL12_48#
24_48MHz
SEL24_48#*
SDATA*
SCLK*
PIN NAME
PIN NAME
&
&
&
&
IN
IN
IN
IN
IN
TYPE
IN
OUT
OUT
OUT
OUT
OUT
TYPE
I/OD
td120k
td120k
td120k
td120k
tp120k
tp120k
14.318MHz output.
14.318MHz output.
Latched input for FS0 at initial power up for H/W selecting
the output frequency. This is internal 120K pull down.
Latched input for FS1 at initial power up for H/W selecting
the output frequency. This is internal 120K pull down.
48MHz clock output
Latched input for pin 4,16 at initial power up selecting the
default=0 pin 4 is RESET# and pin16 is PCICLK0,
MODE=1, pin 4 is CPU_STOP#* and pin 16 is PCISTOP#.
This is internal 120KΩ pull down.
12MHz or 48MHz(default) clock output select by power up
latched SEL12_48#
Latched input for 12_48MHz at initial power up selecting
the 0=48MHz clock output, 1=12MHz clock output. This is
internal 120KΩ pull down.
24MHz (default) or 48MHz clock output select by power up
latched SEL24_48#,
Latched input for 24_48MHz at initial power up selecting
the 0=48MHz clock output, 1=24MHz clock output. This is
internal 120KΩ pull up.
Serial data of I
120KΩ pull-up resistor.
Serial clock of I
120KΩ pull-up resistor.
W83194BR-655/W83194BG-655
- 5 -
2
2
C 2-wire control interface with internal
Publication Release Date: February 14, 2006
C 2-wire control interface with internal
DESCRIPTION
DESCRIPTION
Revision 1.0