10Base-T PHY Registers

A.4.5 Autonegotiation Link Partner Ability Register±AN_lpa @ 0x5

Byte 1

 

 

 

 

 

 

 

 

 

 

 

 

 

Byte 0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

LPNXTPAGE

Reserved

LPRFLT

 

 

 

Link partner

 

 

 

 

Link partner

 

 

 

technology ability field

 

 

 

selector field

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table A±22. Autonegotiation Link Partner Ability Register Bits

Bit

Name

Function

15

LPNXTPAGE

Link partner next page: When this bit, is set, the link partner indicates that it has another

 

 

page to send. Reception of autonegotiation next pages is optional and is not supported

 

 

by this PHY.

14

Reserved

For internal use of the autonegotiation process

13

LPRFLT

Link partner remote fault: When this bit is set to a 1, the link partner reports a remote

 

 

fault condition.

12±10

 

Reserved: For future IEEE-defined abilities

9

 

100Base-T4: Set to 1 if supported by the link partner

8

 

100Base-Tx full duplex: Set to 1 if supported by the link partner

7

 

100Base-Tx: Set to 1 if supported by the link partner

6

 

10Base-T full duplex: Set to 1 if supported by the link partner

5

 

10Base-T: Set to 1 if supported by the link partner

4±0

Link partner

This five-bit field encodes the format of this register. ThunderLAN only supports IEEE

 

selector field

802.3 format fields (as detailed in bits 12 through 5 above), code 00001. (The only other

 

 

currently specified value is 00010, for 802.9a multimedia frames).

 

 

 

A-46

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Texas Instruments TNETE211, TNETE110A, TNETE100A Autonegotiation Link Partner Ability Register±ANlpa @, Lpnxtpage, Lprflt
Page 158 Page 160

TNETE110A, TNETE211, TNETE100A specifications

Texas Instruments has been a leader in developing innovative semiconductor solutions, and their Ethernet PHY (Physical Layer Transceiver) family, specifically the TNETE100A, TNETE211, and TNETE110A, exemplifies this commitment to excellence. These devices are designed to address the needs of a variety of applications, ranging from industrial automation to consumer electronics.

The TNETE100A is a highly versatile Ethernet PHY capable of supporting 10/100 Mbps Ethernet connectivity. One of its main features is the low power consumption, which makes it an ideal choice for battery-operated devices. It incorporates advanced power management technologies, ensuring that the device operates efficiently while maintaining high performance. The TNETE100A also supports Auto-Negotiation, allowing for seamless communication between devices at different speeds, thereby enhancing flexibility in network configurations.

Moving to the TNETE211, this device supports 10/100/1000 Mbps Ethernet, making it suitable for high-speed networking applications. This PHY integrates features such as Energy Efficient Ethernet (EEE), which reduces power consumption during low-traffic periods, aligning with the contemporary demand for energy efficiency in networking equipment. The TNETE211 is engineered with robust EMI (Electromagnetic Interference) performance and provides multiple interface options, making it a versatile choice for embedded systems and networking applications.

The TNETE110A stands out in the lineup as a sophisticated device that supports both Fast Ethernet and Gigabit Ethernet. This PHY utilizes advanced signal processing techniques to ensure superior link robustness and performance in noisy environments. Its features include an integrated transformer driver, which simplifies PCB design and allows for compact device layouts. Additionally, the TNETE110A is designed to be fully compliant with Ethernet standards, ensuring reliable interoperability with other network components.

All three PHYs leverage Texas Instruments' expertise in integrated circuit design, resulting in low jitter and high signal integrity, essential for modern communication standards. They are optimized for a wide range of temperatures, making them suitable for harsh industrial applications. With built-in diagnostic capabilities, these devices also enable efficient fault detection and troubleshooting in network infrastructures.

In summary, the Texas Instruments TNETE100A, TNETE211, and TNETE110A are exemplary Ethernet PHY devices, each tailored to meet specific networking needs while adhering to stringent efficiency and performance criteria. Their advanced features, technologies, and reliability make them pivotal components in today's fast-paced digital landscape.
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