mk1491-06 Integrated Device Technology, mk1491-06 Datasheet - Page 4

• Manufacturer Part Number: mk1491-06
• Description: Cs5530 Geode? Clock Source
• Manufacturer: Integrated Device Technology

MDS 1491-06 J
Power Down Control Table
Power-on Default Conditions
Integrated Circuit Systems, Inc.
PCISTP# PWRDWN# SLOW#
Pin #
10
12
13
15
16
21
22
28
5
8
X
0
1
Key: 1 = connected to VDD, 0 = connected to ground, X = any valid logic level, combination inputs/outputs
should be connected to VDD or ground through a 10 kΩ resistor as shown below.
SEL AUDIO
PWRDWN#
Function
PCISTP#
SLOW#
SEL 24
EPCI#
PEN
LE#
TS
FS
0
1
1
Default
X
X
X
●
M
M
M
1
1
1
1
1
1
1
525 Race Street, San Jose, CA 95126
Power down
All outputs enabled.
Audio clock (pin 28) set to 24.576 MHz
PCI clocks set to 33.3 MHz. Refer to Power Down Control Table above.
PCI frequency = 33.3 MHz.
24M/14.3M (pin 19) set to 24 MHz.
All clocks running.
PCI clocks running.
Low EMI function OFF
Pin 22 set to normal PCI signal (not early).
PCI (pin 25) set to PCI clock (33.33 MHz). PCI (pin 24) set to PCIF clock
(33.33 MHz).
PCI STOP
MODE
ON
4
LOW
LOW
PCI
ON
PCIF
LOW
ON
ON
Condition
24/14.3 14.3
LOW
●
ON
ON
tel [phone]
LOW
ON
ON
AMD Geode™ Clock Source
All outputs low. PLL’s
and oscillators off.
PCI clocks
synchronously enter
and leave low state.
All clocks on.
Description
●
www.icst.com
Revision 110204
MK1491-06