TNETV2685FIBZUT9 datasheet(37/191 Pages) TI1

37 / 191 page

TMS320DM647

TMS320DM648

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SPRS372H – MAY 2007 – REVISED APRIL 2012

PCI host via the integrated PCI master/slave bus interface. The PCI port interfaces to the

DSP via the enhanced DMA (EDMA) controller. This architecture allows for both PCI master

and slave transactions, while keeping the EDMA channel resources available for other

applications.

SPRUEL5

TMS320DM647/DM648 DSP Host Port Interface (UHPI) User's Guide describes the host

port interface (HPI) in the TMS320DM647/DM648 Digital Signal Processor (DSP). The HPI is

a parallel port through which a host processor can directly access the CPU memory space.

The host device functions as a master to the interface, which increases ease of access. The

host and CPU can exchange information via internal or external memory. The host also has

direct access to memory-mapped peripherals. Connectivity to the CPU memory space is

provided through the enhanced direct memory access (EDMA) controller.

SPRUEL8

TMS320DM647/DM648 DSP Universal Asynchronous Receiver/Transmitter (UART)

User's Guide describes the universal asynchronous receiver/transmitter (UART) peripheral

in the TMS320DM647/DM648 Digital Signal Processor (DSP). The UART peripheral

performs serial-to-parallel conversion on data received from a peripheral device, and

parallel-to-serial conversion on data received from the CPU.

SPRUEL9

TMS320DM647/DM648 DSP VLYNQ Port User's Guide describes the VLYNQ port in the

TMS320DM647/DM648 Digital Signal Processor (DSP). The VLYNQ port is a high-speed

point-to-point serial interface for connecting to host processors and other VLYNQ compatible

devices. It is a full-duplex serial bus where transmit and receive operations occur separately

and simultaneously without interference.

SPRUEM1

TMS320DM647/DM648 DSP Video Port/VCXO Interpolated Control (VIC) Port User's

Guide discusses the video port and VCXO interpolated control (VIC) port in the

TMS320DM647/DM648 Digital Signal Processor (DSP). The video port can operate as a

video capture port, video display port, or transport channel interface (TCI) capture port. The

VIC port provides single-bit interpolated VCXO control with resolution from 9 bits to up to 16

bits. When the video port is used in TCI mode, the VIC port is used to control the system

clock, VCXO, for MPEG transport channel.

SPRUEM2

TMS320DM647/DM648 DSP Serial Port Interface (SPI) User's Guide discusses the Serial

Port Interface (SPI) in the TMS320DM647/DM648 Digital Signal Processor (DSP). This

reference guide provides the specifications for a 16-bit configurable, synchronous serial

peripheral interface. The SPI is a programmable-length shift register, used for high speed

communication between external peripherals or other DSPs.

SPRUEU6

TMS320DM647/DM648 DSP Subsystem User's Guide describes the subsystem in the

TMS320DM647/DM648 Digital Signal Processor (DSP). The subsystem is responsible for

performing digital signal processing for digital media applications. The subsystem acts as the

overall system controller, responsible for handling many system functions such as system-

level initialization, configuration, user interface, user command execution, connectivity

functions, and overall system control.

SPRUF57

TMS320DM647/DM648 DSP 3 Port Switch (3PSW) Ethernet Subsystem User's Guide

describes the operation of the 3 port switch (3PSW) ethernet subsystem in the

TMS320DM647/DM648 Digital Signal Processor (DSP). The 3 port switch gigabit ethernet

subsystem provides ethernet packet communication and can be configured as an ethernet

switch (DM648 only). It provides the serial gigabit media independent interface (SGMII), the

management data input output (MDIO) for physical layer device (PHY) management.

Device Overview

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