Texas Instruments TMS320DM355 UART2R MMCSD1, UART2C MMCSD1, ASP0FS, ASP0CL, ASP0DR, ASP0DX

Models: TMS320DM355

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TMS320DM355

Digital Media System-on-Chip (DMSoC)

www.ti.com

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

Table 2-11. GPIO Terminal Functions (continued)

TERMINAL

TYPE (1)

NAME

NO.

 

MMCSD1

 

 

_DATA1 /

 

 

GIO020 /

B15

I/O/Z

UART2_R

 

 

XD

 

 

MMCSD1

 

 

_DATA2 /

 

 

GIO021 /

A16

I/O/Z

UART2_C

 

 

TS

 

 

MMCSD1

 

 

_DATA3 /

 

 

GIO022 /

B16

I/O/Z

UART2_R

 

 

TS

 

 

MMCSD1

 

 

_CMD /

A17

I/O/Z

GIO023

 

 

MMCSD1

 

 

_CLK /

C15

I/O/Z

GIO024

 

 

ASP0_FS

 

 

R /

F16

I/O/Z

GIO025

 

 

ASP0_CL

 

 

KR /

F17

I/O/Z

GIO026

 

 

ASP0_DR

E18

I/O/Z

/ GIO027

 

 

ASP0_FS

 

 

X /

G17

I/O/Z

GIO028

 

 

ASP0_CL

 

 

KX /

F18

I/O/Z

GIO029

 

 

ASP0_DX

H15

I/O/Z

/ GIO030

 

 

EM_CLK /

E19

I/O/Z

GIO031

 

 

EM_ADV /

H16

I/O/Z

GIO032

 

 

EM_WAIT

G18

I/O/Z

/ GIO033

 

 

EM_OE /

F19

I/O/Z

GIO034

 

 

EM_WE /

J15

I/O/Z

GIO035

 

 

EM_CE1 /

G19

I/O/Z

GIO036

 

 

EM_CE0 /

J16

I/O/Z

GIO037

 

 

EM_D00 /

H18

I/O/Z

GIO038

 

 

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OTHER (2) (3)

VDD

VDD

VDD

VDD

VDD

VDD

VDD

VDD

VDD

VDD

VDD

VDD

PD

VDD

PU

VDD

VDD

VDD

VDD

VDD

VDD

DESCRIPTION

MMCSD1: DATA1

GIO: GIO[020]

UART2: Receive Data

MMCSD1: DATA2

GIO: GIO[021]

UART2: CTS

MMCSD1: DATA3

GIO: GIO[022]

UART2: RTS

MMCSD1: Command

GIO: GIO[023]

MMCSD1: Clock

GIO: GIO[024]

ASP0: Receive Frame Synch

GIO: GIO[025]

ASP0: Receive Clock

GIO: GIO[026]

ASP0: Receive Data

GIO: GIO[027]

ASP0: Transmit Frame Synch

GIO: GIO[028]

ASP0: Transmit Clock

GIO: GIO[029]

ASP0: Transmit Data

GIO: GIO[030]

OneNAND: Clock signal for OneNAND flash interface GIO: GIO[031]

OneNAND: Address Valid Detect for OneNAND interface

GIO: GIO[032]

Async EMIF: Async WAIT NAND/SM/xD: RDY/_BSY input

GIO: GIO[033]

Async EMIF: Output Enable

NAND/SM/xD: RE (Read Enable) output

GIO: GIO[034]

Async EMIF: Write Enable

NAND/SM/xD: WE (Write Enable) output

GIO: GIO[035]

Async EMIF: Second Chip Select., Can be programmed to be used for standard

asynchronous memories (example: flash), OneNand or NAND memory.

GIO: GIO[036]

Async EMIF: Lowest numbered Chip Select. Can be programmed to be used for

standard asynchronous memories (example: flash), OneNand or NAND memory. Used for the default boot and ROM boot modes.

GIO: GIO[037]

Async EMIF: Data Bus bit[00]

GIO: GIO[038]

Device Overview

23

PRODUCT PREVIEW

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Texas Instruments TMS320DM355 UART2R MMCSD1, UART2C MMCSD1, ASP0FS, ASP0CL, ASP0DR, ASP0DX, MMCSD1 DATA1, MMCSD1 DATA2

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.