GWIXP460BADT Intel, GWIXP460BADT Datasheet - Page 78
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GWIXP460BADT
Manufacturer Part Number
GWIXP460BADT
Description
Manufacturer
Intel
Datasheet
1.GWIXP460BADT.pdf
(163 pages)
Specifications of GWIXP460BADT
Core Operating Frequency
533MHz
Operating Supply Voltage (typ)
1.3/1.5/2.5/3.3V
Operating Supply Voltage (max)
1.575/2.7/3.465V
Operating Supply Voltage (min)
1.235/2.3/3.135V
Package Type
BGA
Pin Count
544
Mounting
Surface Mount
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Not Compliant
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Package Information
Table 17.
May 2005
78
EX_PARITY[3:0]
EX_REQ_N[3:1]
EX_REQ_GNT_N
EX_GNT_N[3:1]
EX_GNT_REQ_N
EX_SLAVE_CS_N
NOTE: This table discusses all features supported on the Intel
† For a legend of the Type codes, see
Name
processor, see
Expansion Bus Interface (Sheet 3 of 4)
Power
Reset
Table 1 on page
on
H
Z
Z
Z
Z
Z
†
Reset
b’111
VI
VI
H
H
1
†
Table 10 on page
14.
Software
Enables
Normal
Reset
VI/H*
After
Until
VO
VO
VB
VI
VI
Software
Enables
Normal
46.
After
VI/H*
VO
VO
VB
VI
VI
®
IXP45X and Intel
Type
I/O
O
O
I
I
I
†
Byte wide parity protection on the EX_DATA[31:0]
Signals used by external masters to gain access to the bus. An external master asserts this signal to
the internal arbiter to request access to use the expansion bus signals.
* When configured in external arbiter mode of operation, an internal pull-up will be enabled, thus the
pins will be driven to VCC
Should be pulled high through a 10-KΩ resistor when not being utilized in the system.
When the IXP45X/IXP46X network processors are functioning as the Expansion bus arbiter, this
signal will serve as the request input from an external master. If there is an external arbiter used for
expansion bus accesses, this signal will serve as the expansion bus grant input from the external
arbiter.
Should be pulled high through a 10-KΩ resistor when not being utilized in the system.
Signals used by the arbiter to inform external masters that the master is now granted access to use
the bus. In response to an EX_REQ_N being asserted by an external master, the arbiter will output
the corresponding EX_GNT_N signal to inform the external master that the expansion bus is clear
for that master to utilize.
When the IXP45X/IXP46X network processors are functioning as the Expansion bus arbiter, this
signal will serve as the grant output for an external master asserting the corresponding request. If
there is an external arbiter used for expansion bus accesses, this signal will serve as the expansion
bus request output signal to the external arbiter.
The expansion bus chip select input is used to determine when an external master is attempting to
access the IXP45X/IXP46X network processors’ expansion bus interface and internal memory map
of the processors.
Should be pulled high through a 10-KΩ resistor when not being utilized in the system.
®
IXP46X Product Line of Network Processors. For details on feature support listed by
Intel
®
IXP45X and Intel
®
Description
IXP46X Product Line of Network Processors Datasheet
Document Number:
306261-002
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