W83194R-KX Winbond, W83194R-KX Datasheet - Page 5

• Manufacturer Part Number: W83194R-KX
• Description: 133MHZ 3-DIMM K7 CLOCK
• Manufacturer: Winbond

5.3 I
*SDATA
*SDCLK
5.4 Fixed Frequency Outputs
REF0 / CPU_STOP#
REF1 / *FS0
24_48MHz / *FS3
48MHz / *FS2
5.5 Power Pins
Vddq2
Vddq3
Vss
2
C Control Interface
SYMBOL
SYMBOL
SYMBOL
3,9,16,22,33,39,45,
1,6,14,19,27,30,36 Power supply for PCI, 24_48MHz, SDRAM[0:12], and
PIN
PIN
23
24
48
25
26
2
PIN
42
47
I/O
I/O
I/O
I/O
I/O
I/O
I/O
IN
- 5 -
Power supply for CPU clocks, 2.5V or 3.3V.
CPU PLL core, nominal 3.3V.
Circuit Ground.
Serial data of I
pull-up resistor.
Serial clock of I
internal pull-up resistor.
14.318MHz reference clock. This REF output is the
stronger buffer for ISA bus loads.
Halt CPU clocks at logic 0 level, when input low (In
mobile mode. MODE=0)
14.318MHz reference clock.
Latched input for FS0 at initial power up for H/W
selecting the output frequency of CPU, SDRAM and
PCI clocks.
24MHz output clock.
Latched input for FS3 at initial power up for H/W
selecting the output frequency of CPU, SDRAM and
PCI clocks.
48MHz output for USB during normal operation.
Latched input for FS2 at initial power up for H/W
selecting the output frequency of CPU, SDRAM and
PCI clocks.
2
C 2-wire control interface with internal
2
C 2-wire control interface with
Publication Release Date: Nov. 1999
FUNCTION
FUNCTION
FUNCTION
W83194R-KX
PRELIMINARY
Revision 0.35