10Base-T PHY Registers

A.4.4 Autonegotiation Advertisement Register±AN_adv @ 0x4

Byte 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Byte 0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

0

Reserved TLRFLT

Technology ability field

Selector field

Table A±21. Autonegotiation Advertisement Register Bits

Bit

Name

Function

15

0

Autonegotiation next page: Reception/transmission of autonegotiation next pages is

 

 

optional and not supported by this PHY.

14

Reserved

For internal use of the autonegotiation process.

13

TLRFLT

TLAN remote fault: This bit enables TLAN to indicate a remote fault condition to the link

 

 

partner.

12±5

Technology

Autonegotiation advertised technology ability: This 8-bit value is sent to the link-partner

 

ability field

to indicate the abilities of the TLAN PHY. Unsupported abilities cannot be advertised,

 

 

which for this PHY means only two bits have meaning when set:

 

 

- Bit 6: PHY supports full-duplex 10Base-T

 

 

- Bit 5: PHY supports half-duplex 10Base-T

 

 

- Bits 12 through 7 are read only, and set to 0.

4±0

Selector field

Autonegotiation selector field code: This field has a hardwired value of 0001, meaning

 

 

the PHY only supports 802.3 format link code words.

 

 

 

Register Definitions

A-45

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Texas Instruments TNETE100A, TNETE211, TNETE110A manual Autonegotiation Advertisement Register±ANadv @, Tlrflt
Page 157 Page 159

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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