TNETE211 Register Descriptions

Figure B±3. TNETE211 Registers

GEN_ctl

GEN_sts

GEN_id_hi

GEN_id_lo

AN advertisement

AN far end ability

AN reserved

Reserved

Reserved

Reserved

TLPHY_id

TLPHY_ctl

TLPHY_sts

Register

Description

0x00

PHY generic control register

 

0x01

PHY generic status register

 

0x02

PHY generic identifier (high)

 

0x03

PHY generic identifier (low)

 

0x04

Not implemented

 

0x05

Not implemented

 

0x06

Not implemented

 

0x07

 

through

Reserved by 802.3

0x0F

 

0x10

ThunderLAN PHY identifier

 

0x11

ThunderLAN PHY control register

 

0x12

ThunderLAN PHY status register

 

B.2.1 PHY Generic Control Register±GEN_ctl @ 0x0

Byte 1

 

 

 

 

 

 

 

 

 

 

 

 

 

Byte 0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESET

LOOPBK

0

0

PDOWN

ISOLATE

0

0

COL

 

 

Reserved

 

 

TEST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table B±1. PHY Generic Control Register Bits

Bit

Name

Function

15

RESET

PHY reset: Writing a 1 to this bit causes the PHY and its internal registers to reset. This

 

 

bit is self-clearing; the bit returns a value of 1 when read until the internal reset is com-

 

 

plete. This bit also serves to reset the 802.12 MAC state machine to MAC0.

14

LOOPBK

Loopback: This bit enables/disables internal loopback within the PHY device. When this

 

 

bit is set to 1 (default), data is internally wrapped within the PHY and does not appear on

 

 

the network. When this bit is set to 0, data is transmitted to and received from the network.

 

 

While the PHY is in the loopback state, all network lines are placed in a noncontentious

 

 

state. This bit also resets the 802.12 MAC state machine to MAC0.

13

0

Speed selection bit: Not implemented

12

0

Autoconfiguration enable: Not implemented

 

 

 

TNETE211 100VG-AnyLAN Demand Priority Physical Media Independent (PMI) Interface

B-7

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Texas Instruments TNETE110A, TNETE211 Table B±1. PHY Generic Control Register Bits, 0x01 PHY generic status register 0x02
Page 171 Page 173

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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