参数资料
型号: MK1491-06SLF
元件分类: 时钟产生/分配
英文描述: 49.152 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28
封装: 0.150 INCH, LEAD FREE, MO-153, SOIC-28
文件页数: 4/10页
文件大小: 215K
代理商: MK1491-06SLF
AMD Geode Clock Source
MDS 1491-06 J
3
Revision 110204
Integrated Circuit Systems, Inc.
525 Race Street, San Jose, CA 95126 tel (408) 297-1201 www.icst.com
MK1491-06
KEY:
I = Input
TI = Tri-level
O = Output
P = Power supply connection
(T)I/O = Input on power up, becomes an Output after 10 ms
Weak internal pull-up resistors are present on SEL24, EPCI#, FS, LE#, PCISTP#, and SLOW#. These pins
should be tied to VDD or GND, and not be left floating. Internal resistors on PEN, SEL AUDIO, and TS pull
to mid-level (M).
8
14.3M (SEL
AUDIO)
TI/O
14.318 MHz output and audio frequency select input per table above.
10
SLOW#
I
PCI normal or slow mode select input per table on page 4.
12
FS
I
Frequency Select for PCI clocks per table above.
13
SEL24
I
Fixed frequency select input per table above. Selects frequency on pin
19.
15
PWRDWN#
I
Power down control; defined in table on page 4.
16
PCISTP#
I
PCI Stop power down control; defined in table on page 4.
18, 20, 26
VDD
P
Connect to +3.3 V. Must be same voltage on all pins.
19
24M/14.3M
O
Fixed frequency clock output per table above.
21
48 (LE#)
I/O
Fixed frequency clock output and low EMI (spread spectrum) enable
input per table above.
22
PCI (EPCI#)
I/O
PCI Output clock that can be early. Input control for Early PCI per table
above.
24
PCI
O
PCI Output clock. PCI/PCIF control set by PEN per table above.
25
PCI
O
PCI Output clock. PCI/PCIF control set by PEN per table above.
27
PCI
O
PCI Output clock.
28
AC97 AUDIO
(PEN)
TI/O
Audio clock output and PCIF Function Enable per table above.
Pin
Number
Pin
Name
Pin
Type
Pin Description
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