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Ethernet Media Access Controller (EMAC) Registers

 

Table 39. Ethernet Media Access Controller (EMAC) Registers (continued)

 

 

Offset

Acronym

Register Description

Section

 

164h

MACSTATUS

MAC Status Register

Section 5.30

 

168h

EMCONTROL

Emulation Control Register

Section 5.31

 

16Ch

FIFOCONTROL

FIFO Control Register

Section 5.32

 

170h

MACCONFIG

MAC Configuration Register

Section 5.33

 

174h

SOFTRESET

Soft Reset Register

Section 5.34

 

1D0h

MACSRCADDRLO

MAC Source Address Low Bytes Register

Section 5.35

 

1D4h

MACSRCADDRHI

MAC Source Address High Bytes Register

Section 5.36

 

1D8h

MACHASH1

MAC Hash Address Register 1

Section 5.37

 

1DCh

MACHASH2

MAC Hash Address Register 2

Section 5.38

 

1E0h

BOFFTEST

Back Off Test Register

Section 5.39

 

1E4h

TPACETEST

Transmit Pacing Algorithm Test Register

Section 5.40

 

1E8h

RXPAUSE

Receive Pause Timer Register

Section 5.41

 

1ECh

TXPAUSE

Transmit Pause Timer Register

Section 5.42

 

500h

MACADDRLO

MAC Address Low Bytes Register, Used in Receive Address Matching

Section 5.43

 

504h

MACADDRHI

MAC Address High Bytes Register, Used in Receive Address Matching

Section 5.44

 

508h

MACINDEX

MAC Index Register

Section 5.45

 

600h

TX0HDP

Transmit Channel 0 DMA Head Descriptor Pointer Register

Section 5.46

 

604h

TX1HDP

Transmit Channel 1 DMA Head Descriptor Pointer Register

Section 5.46

 

608h

TX2HDP

Transmit Channel 2 DMA Head Descriptor Pointer Register

Section 5.46

 

60Ch

TX3HDP

Transmit Channel 3 DMA Head Descriptor Pointer Register

Section 5.46

 

610h

TX4HDP

Transmit Channel 4 DMA Head Descriptor Pointer Register

Section 5.46

 

614h

TX5HDP

Transmit Channel 5 DMA Head Descriptor Pointer Register

Section 5.46

 

618h

TX6HDP

Transmit Channel 6 DMA Head Descriptor Pointer Register

Section 5.46

 

61Ch

TX7HDP

Transmit Channel 7 DMA Head Descriptor Pointer Register

Section 5.46

 

620h

RX0HDP

Receive Channel 0 DMA Head Descriptor Pointer Register

Section 5.47

 

624h

RX1HDP

Receive Channel 1 DMA Head Descriptor Pointer Register

Section 5.47

 

628h

RX2HDP

Receive Channel 2 DMA Head Descriptor Pointer Register

Section 5.47

 

62Ch

RX3HDP

Receive Channel 3 DMA Head Descriptor Pointer Register

Section 5.47

 

630h

RX4HDP

Receive Channel 4 DMA Head Descriptor Pointer Register

Section 5.47

 

634h

RX5HDP

Receive Channel 5 DMA Head Descriptor Pointer Register

Section 5.47

 

638h

RX6HDP

Receive Channel 6 DMA Head Descriptor Pointer Register

Section 5.47

 

63Ch

RX7HDP

Receive Channel 7 DMA Head Descriptor Pointer Register

Section 5.47

 

640h

TX0CP

Transmit Channel 0 Completion Pointer Register

Section 5.48

 

644h

TX1CP

Transmit Channel 1 Completion Pointer Register

Section 5.48

 

648h

TX2CP

Transmit Channel 2 Completion Pointer Register

Section 5.48

 

64Ch

TX3CP

Transmit Channel 3 Completion Pointer Register

Section 5.48

 

650h

TX4CP

Transmit Channel 4 Completion Pointer Register

Section 5.48

 

654h

TX5CP

Transmit Channel 5 Completion Pointer Register

Section 5.48

 

658h

TX6CP

Transmit Channel 6 Completion Pointer Register

Section 5.48

 

65Ch

TX7CP

Transmit Channel 7 Completion Pointer Register

Section 5.48

 

660h

RX0CP

Receive Channel 0 Completion Pointer Register

Section 5.49

 

664h

RX1CP

Receive Channel 1 Completion Pointer Register

Section 5.49

 

668h

RX2CP

Receive Channel 2 Completion Pointer Register

Section 5.49

 

66Ch

RX3CP

Receive Channel 3 Completion Pointer Register

Section 5.49

 

670h

RX4CP

Receive Channel 4 Completion Pointer Register

Section 5.49

 

674h

RX5CP

Receive Channel 5 Completion Pointer Register

Section 5.49

 

SPRUEQ6–December 2007

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

85

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Page 85
Image 85
Texas Instruments TMS320DM646x Macstatus, Emcontrol, Fifocontrol, Macconfig, Macsrcaddrlo, Macsrcaddrhi, MACHASH1, Rxpause

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.