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IXP45X 数据表(PDF) 75 Page - Intel Corporation

部件名 IXP45X
功能描述  Product Line of Network Processors
PDF  148 Pages
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制造商  INTEL [Intel Corporation]
网页  http://www.intel.com
标志 INTEL - Intel Corporation

IXP45X 数据表(HTML) 75 Page - Intel Corporation

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Package Information
August 2006
Intel® IXP45X and Intel® IXP46X Product Line of Network Processors Datasheet
75
Document Number: 306261-004US
PLL_LOCK
0
VO
VO
VO
O
Signal used to inform external reset logic that the internal PLL has achieved a locked state.
PLL_LOCK will also be de-asserted during a watchdog timeout.
RCOMP_REF
Tied off
to a
resistor
Tied off
to a
resistor
Tied off to
a resistor
Tied off to
a resistor
O
Signal used to control PCI and SMII drive strength characteristics. Drive strength is varied on
PCI and SMII signals depending upon temperature.
Pin requires a 34-Ω +/- 1% tolerance resistor to ground. (Refer to Figure 14 on page 107.)
SPARE1
n/a
n/a
n/a
n/a
n/a
No Connection is to be made to this signal
SPARE2
n/a
n/a
n/a
n/a
n/a
No Connection is to be made to this signal
Table 25.
Power Interface (Sheet 1 of 2)
Name
Power
on
Reset†
Reset†
Normal
After
Reset
Until
Software
Enables
Possible
Configur
ations
After
Software
Enables
Type†
Description
VCC
N/A
N/A
N/A
N/A
I
1.3-V power supply input pins used for the internal logic. If operating at 667 MHz, this supply voltage
needs to be increased to VCC = 1.5 V.
VCCP
N/A
N/A
N/A
N/A
I
3.3-V power supply input pins used for the peripheral (I/O) logic.
VCCM
N/A
N/A
N/A
N/A
I
2.5-V power supply input pins used for the DDR memory interface
VSS
N/A
N/A
N/A
N/A
I
Ground power supply input pins used for both the 3.3-V, 2.5-V, and the 1.3-V power supplies.
OSC_VCCP
N/A
N/A
N/A
N/A
I
3.3-V power supply input pins used for the peripheral (I/O) logic of the analog oscillator circuitry.
Require special power filtering circuitry. Refer to Figure 12 on page 106.
OSC_VSSP
N/A
N/A
N/A
N/A
I
Ground input pins used for the peripheral (I/O) logic of the analog oscillator circuitry. Used in
conjunction with the OSC_VCCP pins.
Requires special power filtering circuitry. Refer to Figure 12 on page 106.
OSC_VCC
N/A
N/A
N/A
N/A
I
1.3-V power supply input pins used for the internal logic of the analog oscillator circuitry. Requires
special power filtering circuitry. If operating at 667 MHz, this supply voltage needs to be increased to
VCC = 1.5 V. Refer to Figure 13 on page 106.
Note:
This table discusses all features supported on the Intel® IXP45X and Intel® IXP46X Product Line of Network Processors. For details on feature support listed by processor,
see Table 1 on page 13.
†
For a legend of the Type codes, see Table 8 on page 43.
Table 24.
System Interface (Sheet 2 of 2)
Name
Power
on
Reset†
Reset†
Normal
After
Reset
Until
Software
Enables
Possible
Configur
ations
After
Software
Enables
Type†
Description
Note:
This table discusses all features supported on the Intel® IXP45X and Intel® IXP46X Product Line of Network Processors. For details on feature support listed by processor,
see Table 1 on page 13.
†
For a legend of the Type codes, see Table 8 on page 43.



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