PRODUCT PREVIEW

TMS320DM355

Digital Media System-on-Chip (DMSoC)

www.ti.com

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

Table 2-14. ASP Terminal Functions (continued)

TERMINAL

TYPE (1)

OTHER (2) (3)

DESCRIPTION

NAME

NO.

 

 

 

ASP0_CL

 

 

 

ASP0: Transmit Clock

KX /

F18

I/O/Z

VDD

GIO: GIO[029]

GIO029

 

 

 

 

ASP0_DR

 

 

 

ASP0: Receive DataF

/

E18

I/O/Z

VDD

GIO: GIO[027]

GIO027

 

 

 

 

ASP0_DX

 

 

 

ASP0: Transmit Data

/

H15

I/O/Z

VDD

GIO: GIO[030]

GIO030

 

 

 

 

ASP0_FS

 

 

 

ASP0: Receive Frame Synch

R /

F16

I/O/Z

VDD

GIO: GIO[025]

GIO025

 

 

 

 

ASP0_FS

 

 

 

 

X /

G17

I/O/Z

VDD

ASP0: Transmit Frame SynchGIO: GIO[028]

GIO028

 

 

 

 

ASP1_CL

D18

I/O/Z

VDD

ASP1: Receive Clock

KR

ASP1_CL

D17

I/Z

VDD

ASP1: Master Clock

KS

ASP1_CL

D19

I/O/Z

VDD

ASP1: Transmit Clock

KX

ASP1_DR

C19

I/O/Z

VDD

ASP1: Receive Data

ASP1_DX

C18

I/O/Z

VDD

ASP1: Transmit Data

ASP1_FS

E17

I/O/Z

VDD

ASP1: Receive Frame Synch

R

ASP1_FS

E16

I/O/Z

VDD

ASP1: Transmit Frame Sync

X

2.4.9UART Interface

The includes three UART ports. These ports are multiplexed with GIO and other signals.

Table 2-15. UART Terminal Functions

TERMINAL

 

TYPE (1)

OTHER (2) (3)

DESCRIPTION

NAME

NO.

 

 

 

UART0_RXD

U18

I

VDD

UART0: Receive data. Used for UART boot mode

UART0_TXD

T18

O

VDD

UART0: Transmit data. Used for UART boot mode

UART1_RXD/

R15

I/O/Z

VDD

UART1: Receive data.

GIO013

GIO: GIO013

UART1_TXD/

R17

I/O/Z

VDD

UART1: Transmit data.

GIO012

GIO: GIO012

MMCSD1_DA

 

 

 

MMCSD1: DATA2

TA2/

 

 

 

A16

I/O/Z

VDD

GIO: GIO021

GIO021/

UART2_CTS

 

 

 

UART2: CTS

 

 

 

 

MMCSD1_DA

 

 

 

MMCSD1: DATA3

TA3/

 

 

 

B16

I/O/Z

VDD

GIO: GIO022

GIO022/

UART2_RTS

 

 

 

UART2: RTS

 

 

 

 

MMCSD1_DA

 

 

 

MMCSD1: DATA1

TA1/

 

 

 

B15

I/O/Z

VDD

GIO: GIO020

GIO020/

UART2_RXD

 

 

 

UART2: RXD

 

 

 

 

(1)I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal.

(2)Specifies the operating I/O supply voltage for each signal. See Section 5.3, Power Supplies for more detail.

(3)PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 kΩ resistor should be used.)

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Device Overview

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Texas Instruments TMS320DM355 warranty Uart Interface, Uart Terminal Functions

TMS320DM355 specifications

The Texas Instruments TMS320DM355 is a versatile digital signal processor designed to support a wide array of multimedia applications, specifically in the realms of digital video and audio processing. As part of the TMS320 family of digital signal processors, the DM355 brings a blend of computational power, energy efficiency, and integrated features that make it highly effective for tasks such as video encoding, decoding, and general signal processing.

One of the standout features of the DM355 is its advanced DaVinci architecture, which is specifically optimized for multimedia tasks. This architecture integrates both DSP and application processing functionalities. The dual-core architecture includes a high-performance DSP core that specializes in real-time signal processing alongside an ARM926EJ-S RISC microprocessor, facilitating the execution of complex algorithms and control tasks.

The DM355 offers robust multimedia processing capabilities with support for several video formats, including MPEG-2, MPEG-4, H.264, and JPEG. This enables developers to create powerful video applications for a variety of devices, from industrial systems to consumer electronics. Its processing capabilities extend to audio processing, allowing it to efficiently handle audio codecs and enhance audio quality in applications ranging from IP cameras to set-top boxes.

In terms of connectivity, the TMS320DM355 supports various interfaces including USB 2.0, Ethernet, and various serial interfaces like UART, SPI, and I2C. This wide range of connectivity options ensures that the DM355 can easily interface with different peripherals and network components, making it a suitable choice for networked applications.

Energy efficiency is another significant advantage of the DM355. With a focus on low power consumption, the device is designed to operate effectively in battery-powered and heat-sensitive environments. Its low thermal design power allows for extended operational life and reduced thermal management requirements, making it ideal for portable devices.

Furthermore, the DM355 is supported by a comprehensive software development framework, including the TI Code Composer Studio and a range of middleware tools, which streamline application development and speed up time to market. Its rich ecosystem enhances its usability across different applications, ensuring that developers can leverage the full potential of the hardware.

In summary, the Texas Instruments TMS320DM355 stands out as a powerful yet cost-effective DSP solution, combining advanced multimedia processing capabilities, robust connectivity options, and energy efficiency. Its unique architecture and extensive support resources make it a preferred choice for developers seeking to create innovative multimedia solutions.