Intel® IXF1104 4-Port Gigabit Ethernet Media Access Controller

Table 26. GMII Interface Signal Definitions

IXF1104 MAC

GMII Standard

Source

Description

Signal

Signal

 

 

 

 

 

 

TXC_0

 

 

Transmit Reference Clock:

TXC_1

GTX_CLK

IXF1104

125 MHz for Gigabit operation.

TXC_2

MAC

MII operation for 10/100 Mbps operation is not

 

TXC_3

 

 

supported.

 

 

 

 

TXD[7:0]_0

 

 

Transmit Data Bus:

 

 

 

TXD[7:0]_1

TXD[7:0]

IXF1104

Width of this synchronous output bus varies with the

TXD[7:0]_2

MAC

speed/mode of operation. In 1000 Mbps mode, all 8

 

TXD[7:0]_3

 

 

bits are used.

 

 

 

 

 

 

 

TX_EN_0

 

 

Transmit Enable:

TX_EN_1

 

IXF1104

TX_EN

Synchronous input that indicates Valid data is being

TX_EN_2

MAC

 

driven on the TXD[7:0] data bus.

TX_EN_3

 

 

 

 

 

 

 

 

 

TX_ER_0

 

 

Transmit Error:

TX_ER_1

 

IXF1104

TX_ER

Synchronous input to PHY causes the transmission of

TX_ER_2

MAC

 

error symbols in 1000 Mbps links.

TX_ER_3

 

 

 

 

 

 

 

 

 

RXC_0

 

 

 

RXC_1

RX_CLK

PHY

Receive Clock:

RXC_2

Continuous reference clock is 125 MHz +/– 100 ppm.

 

 

RXC_3

 

 

 

 

 

 

 

RXD[7:0]_0

 

 

Receive Data Bus:

 

 

 

RXD[7:0]_1

 

 

Width of the bus varies with the speed and mode of

RXD<3:0>

PHY

operation. In 1000 Mbps mode, all 8 bits are driven by

RXD[7:0]_2

 

 

the PHY device.

RXD[7:0]_3

 

 

 

 

Note: MII operation at 10/100 Mbps is not supported.

 

 

 

 

 

 

 

RX_DV_0

 

 

Receive Data Valid:

RX_DV_1

 

 

RX_DV

PHY

This signal is asserted when valid data is present on

RX_DV_2

 

 

the corresponding RXD bus.

RX_DV_3

 

 

 

 

 

 

 

 

 

RX_ER_0

 

 

Receive Error:

RX_ER_1

RX_ER

PHY

In 1000 Mbps mode, asserted when error symbols or

RX_ER_2

carrier extension symbols are received.

 

 

RX_ER_3

 

 

Always synchronous to RX_CLK.

 

 

 

 

CRS_0

 

 

Carrier Sense:

CRS_1

 

 

CRS

PHY

Asserted when valid activity is detected at the line-

CRS_2

 

 

side interface.

CRS_3

 

 

 

 

 

 

 

 

 

COL_0

 

 

Collision:

 

 

 

COL_1

COL

PHY

Asserted when a collision is detected and remains

 

COL_2

asserted for the duration of the collision event. In full-

 

 

COL_3

 

 

duplex mode, the PHY should force this signal Low.

 

 

 

 

 

 

 

95

Datasheet

Document Number: 278757

Revision Number: 009

Revision Date: 27-Oct-2005

Page 95
Image 95
Intel IXF1104 Gmii Interface Signal Definitions, Gmii Standard Source Description, Transmit Reference Clock, Collision

IXF1104 specifications

The Intel IXF1104 is a cutting-edge Network Interface Controller (NIC) designed to meet the needs of high-speed communication in modern networking environments. As the demand for bandwidth-intensive applications continues to grow, Intel's IXF1104 is engineered to deliver exceptional performance, reliability, and scalability, making it an ideal choice for data centers and enterprise networks.

One of the main features of the IXF1104 is its support for high-speed Ethernet connectivity, providing up to 100 Gbps throughput. This capability allows organizations to handle large amounts of data traffic efficiently, accommodating everything from cloud computing to big data analytics. The NIC utilizes advanced packet processing technology which ensures minimal latency, enhancing the overall user experience.

The IXF1104 is built on a robust architecture that integrates Intel's latest processing technologies. It incorporates a multi-core processing engine that allows for parallel processing of network packets, improving the handling of simultaneous network requests. This architecture also supports offloading features, freeing up CPU resources for other critical tasks, which optimizes system performance.

In terms of technologies, the IXF1104 supports a variety of standards including Ethernet and Fiber Channel, making it versatile across different networking environments. Its compatibility with industry-standard networking protocols ensures that it can easily integrate into existing frameworks, facilitating seamless upgrades and expansions.

Another significant characteristic of the IXF1104 is its energy efficiency. With Intel’s focus on sustainability, this NIC is designed to consume less power relative to its performance output, thereby reducing overall operational costs for organizations. It employs dynamic power management features that adjust power usage based on demand, which is especially beneficial in large-scale deployments.

Additionally, security features are woven into the IXF1104 design, protecting sensitive data from potential threats. Hardware-based security functions, including encryption capabilities and secure boot processes, ensure that the NIC can safeguard data integrity against unauthorized access.

Overall, the Intel IXF1104 stands out in the crowded NIC market by offering high-performance capabilities, energy efficiency, and robust security features. Its combination of advanced technologies and characteristics positions it as a strategic asset for modern networks, empowering organizations to achieve their connectivity and performance goals in an increasingly data-driven world.