EWIXP420ABBT Intel, EWIXP420ABBT Datasheet - Page 35

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EWIXP420ABBT

Manufacturer Part Number
EWIXP420ABBT
Description
Manufacturer
Intel
Datasheet

Specifications of EWIXP420ABBT

Core Operating Frequency
533MHz
Package Type
BGA
Pin Count
492
Mounting
Surface Mount
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Lead Free Status / Rohs Status
Compliant

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General Hardware Design Considerations—Intel
plane processors
3.4.2
Figure 10.
3.5
December 2007
Document Number: 252817-008US
IXP42X Product Line and
IXC 1100 Control Plane
Processors
MII Block Diagram
MII Block Diagram
GPIO Interface
The IXP42X product line and IXC1100 control plane processors provide 16 general-
purpose input/output pins for use in generating and capturing application specific input
and output signals. Each pin can be programmed as either an input or output. When
programmed as an input, GPIO0 through GPIO12 can be used as an interrupt source.
In addition, GPIO14 and GPIO15 can be programmed to provide a user-programmable
frequency source up to 33 MHz.
During a reset all pins are configured as inputs and remain in this state until configured
otherwise, with the exception of GPIO15, which by default provides a clock output.
Each GPIO pin is capable of driving external LEDs. There are eight distinct register
functions used in the GPIO module. When used as an interrupt source, the interrupt
capable pin can detect interrupts as active high, active low, rising edge, falling edge, or
transitional.
GPIO[13:0] are general-purpose, configurable I/O pins, GPIO[12:0] can be used to
capture interrupts from I/O devices connected to the GPIO interface. In addition,
GPIO14 and GPIO15 can be configured as clock outputs.
Interface
Intel
ETH_RXD[3:0]
ETH_TXD[3:0]
MII
ETH_RXCLK
ETH_TXCLK
®
ETH_INT_N
ETH_RXDV
ETH_TXEN
ETH_MDIO
ETH_MDC
ETH_COL
ETH_CRS
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
®
IXP42X product line and IXC1100 control
10/100
PHY
25 MHz
Magnetics
Hardware Design Guidelines
RJ45
B2254 -03
35