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Ethernet Media Access Controller (EMAC) Registers

5.35 MAC Source Address Low Bytes Register (MACSRCADDRLO)

The MAC source address low bytes register (MACSRCADDRLO) is shown in Figure 75 and described in Table 74.

Figure 75. MAC Source Address Low Bytes Register (MACSRCADDRLO)

31

 

 

16

 

Reserved

 

 

 

R-0

 

15

8

7

0

 

MACSRCADDR0

 

MACSRCADDR1

 

R/W-0

 

R/W-0

LEGEND: R = Read only; R/W = Read/Write; -n= value after reset

Table 74. MAC Source Address Low Bytes Register (MACSRCADDRLO) Field Descriptions

Bit

Field

Value

Description

31-16

Reserved

0

Reserved

15-8

MACSRCADDR0

0-FFh

MAC source address lower 8 bits (byte 0)

7-0

MACSRCADDR1

0-FFh

MAC source address bits 15-8 (byte 1)

5.36 MAC Source Address High Bytes Register (MACSRCADDRHI)

The MAC source address high bytes register (MACSRCADDRHI) is shown in Figure 76 and described in Table 75.

Figure 76. MAC Source Address High Bytes Register (MACSRCADDRHI)

31

24

23

16

 

MACSRCADDR2

 

MACSRCADDR3

 

R/W-0

 

R/W-0

15

8

7

0

 

MACSRCADDR4

 

MACSRCADDR5

 

R/W-0

 

R/W-0

LEGEND: R = Read only; R/W = Read/Write; -n= value after reset

Table 75. MAC Source Address High Bytes Register (MACSRCADDRHI) Field Descriptions

Bit

Field

Value

Description

31-24

MACSRCADDR2

0-FFh

MAC source address bits 23-16 (byte 2)

23-16

MACSRCADDR3

0-FFh

MAC source address bits 31-24 (byte 3)

15-8

MACSRCADDR4

0-FFh

MAC source address bits 39-32 (byte 4)

7-0

MACSRCADDR5

0-FFh

MAC source address bits 47-40 (byte 5)

116

Ethernet Media Access Controller (EMAC)/Management Data Input/Output (MDIO)

SPRUEQ6–December 2007

 

 

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Texas Instruments TMS320DM646x manual MAC Source Address Low Bytes Register Macsrcaddrlo

TMS320DM646x specifications

The Texas Instruments TMS320DM646x series is a powerful family of digital media processors designed to handle high-performance applications in video, imaging, and audio processing. These devices leverage advanced technologies to deliver efficient processing capabilities for a variety of embedded systems, making them ideal for multimedia solutions.

At the core of the TMS320DM646x is the versatile DSP architecture, which optimizes performance for digital signal processing tasks. This architecture allows for real-time processing, enabling the devices to handle complex algorithms necessary for image and video compression, thereby meeting the rigorous demands of modern multimedia applications.

One of the standout features of the TMS320DM646x series is its dual-core architecture. This consists of a Digital Signal Processor (DSP) alongside an ARM-based application processor. The DSP is predominantly employed for critical processing tasks, allowing it to execute high-throughput data streams efficiently, while the ARM processor manages control tasks and user interfaces. This division of labor enhances overall system performance and responsiveness.

The series supports a wide range of video formats and technologies, including HD video encoding and decoding, which accommodates HD resolution content essential for today’s multimedia applications. Furthermore, the TMS320DM646x integrates hardware accelerators for video compression standards such as H.264 and MPEG-4, which significantly reduce the processing burden on the CPU, resulting in lower power consumption and higher efficiency.

Networking capabilities are another significant feature of the TMS320DM646x. With support for Ethernet, the device can handle streaming media applications and connectivity, facilitating the transmission of high-quality audio and video over the internet. This connectivity is crucial for developing robust IPTV and streaming solutions.

Power management is a primary focus in the design of the TMS320DM646x series. The processors are built to operate efficiently with minimal power consumption, making them suitable for portable and battery-operated devices. The low power characteristics do not compromise performance, enabling high computational capabilities while maintaining energy efficiency.

Overall, the Texas Instruments TMS320DM646x series offers an exceptional combination of processing power, advanced multimedia capabilities, and energy efficiency. It optimally supports a wide array of applications, from video processing and image analysis to audio encoding. This comprehensive feature set, along with its robust architecture, positions the TMS320DM646x as a leading choice for developers in the digital media space.