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Texas Instruments TSB12LV26 manual Ohci Version Register, Ohci version

Models: TSB12LV26

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4.1 OHCI Version Register

This register indicates the OHCI version support, and whether or not the serial ROM is present. See Table 4±2 for a complete description of the register contents.

Bit

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Name

 

 

 

 

 

 

 

OHCI version

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

0

0

0

0

0

0

0

X

0

0

0

0

0

0

0

1

Bit

15

14

13

12

 

11

10

9

8

7

6

5

 

4

3

2

1

0

Name

 

 

 

 

 

 

 

 

 

 

 

 

OHCI version

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type

R

 

R

R

 

R

 

R

R

R

R

R

 

R

R

 

R

R

R

R

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

0

 

0

0

 

0

 

 

0

0

0

0

0

 

0

0

 

0

0

0

0

0

 

Register:

OHCI version

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type:

Read-only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Offset:

00h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default:

0X01 0000h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 4±2. OHCI Version Register Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BIT

FIELD NAME

 

 

TYPE

 

 

 

 

 

 

 

DESCRIPTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31±25

 

RSVD

 

 

R

 

Reserved. Bits 31±25 return 0s when read.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24

GUID_ROM

 

 

R

 

The TSB12LV26 sets this bit if the serial ROM is detected. If the serial ROM is present, then the

 

 

 

Bus_Info_Block is automatically loaded on hardware reset.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23±16

 

version

 

 

R

 

Major version of the OHCI. The TSB12LV26 is compliant with the 1394 Open Host Controller Interface

 

 

 

 

Specification; thus, this field reads 01h.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15±8

 

RSVD

 

 

R

 

Reserved. Bits 15±8 return 0s when read.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7±0

 

revision

 

 

R

 

Minor version of the OHCI. The TSB12LV26 is compliant with the 1394 Open Host Controller Interface

 

 

 

 

Specification; thus, this field reads 00h.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4±4

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Texas Instruments TSB12LV26 manual Ohci version, ±2. Ohci Version Register Description
Page 41 Page 43

TSB12LV26 specifications

The Texas Instruments TSB12LV26 is a high-performance, low-voltage transceiver designed for Serial Bus applications. It is widely recognized for its robust features and versatility, making it a popular choice among engineers and designers in various industries. One of the primary features of the TSB12LV26 is its support for high-speed data transmission, enabling it to operate at speeds up to 400 Mbps. This capability is essential for applications that demand rapid data transfer, such as in multimedia and communication systems.

The TSB12LV26 is part of the IEEE 1394 standard, also known as FireWire, which is widely used for connecting devices like digital cameras, external hard drives, and printers. The chip operates within a voltage range of 2.7V to 3.6V, making it suitable for low-power applications where energy efficiency is critical. The integration of advanced Low-Voltage Differential Signaling (LVDS) technology within the TSB12LV26 enhances signal integrity and reduces electromagnetic interference, resulting in more reliable performance over longer distances.

In terms of its physical characteristics, the TSB12LV26 is available in a compact 48-pin HTQFP package, which is beneficial for space-constrained designs. The device features a comprehensive set of input and output pins, allowing for flexible connectivity options. Additionally, the TSB12LV26 includes advanced power management features, including low-power modes that help extend battery life in portable devices.

Another significant advantage of the TSB12LV26 is its capability for peer-to-peer communication, enabling devices to connect and communicate directly without the need for a central controller. This functionality supports a wide range of device configurations and simplifies system architecture. Furthermore, the transceiver offers built-in support for asynchronous and isochronous data transfer, making it adaptable for various application requirements.

The TSB12LV26 also adheres to stringent EMI and ESD protection standards, ensuring reliable operation in challenging environments. With a rich feature set, excellent performance characteristics, and compliance with industry standards, the Texas Instruments TSB12LV26 remains an ideal choice for engineers looking to implement high-speed and reliable communication in their designs. Overall, it represents a significant advancement in the field of data transmission technology, making it a preferred component for numerous electronic applications.