TMS320DM355

Digital Media System-on-Chip (DMSoC)

www.ti.com

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

Table 2-23. DM355 Pin Descriptions (continued)

Name

BGA Type Group

 

ID

(1)

 

 

Power

PU

Reset

Description (4)

Mux Control

Supply (2)

PD (3)

State

 

 

DDR_VREF

U10

PWR

DDRI

 

 

 

O

VSSA_DLL

R11

GND

DDRD

 

 

 

LL

VDDA33_DDRDLL

R10

PWR

DDRD

 

 

 

LL

DDR_ZN

T9

I/O

DDRI

 

 

 

O

VDD_DDR

VDD_DDR

VDD_DDR

VDD_DDR

DDR: Voltage input for the SSTL_18 IO buffers

DDR: Ground for the DDR DLL

DDR: Power (3.3 Volts) for the DDR DLL

DDR: Reference output for drive strength calibration of N and P channel outputs. Tie to ground via 50 ohm resistor @ 0.5% tolerance.

EM_A13 /

V19

I/O AEMI

GIO067 /

 

F /

BTSEL[1]

 

GIO /

 

 

syste

 

 

m

EM_A12 /

U19

I/O AEMI

GIO066 /

 

F /

BTSEL[0]

 

GIO /

 

 

syste

 

 

m

EM_A11 /

R16

I/O AEMI

GIO065 /

 

F /

AECFG[3]

 

GIO /

 

 

syste

 

 

m

EM_A10 /

R18

I/O AEMI

GIO064 /

 

F /

AECFG[2]

 

GIO /

 

 

syste

 

 

m

VDD

PD

in L

Async EMIF: Address Bus bit[13]

PINMUX2[0].EM_A1

 

 

 

 

3_3,

 

 

 

GIO: GIO[067]

default set by

 

 

 

 

AECFG[0]

 

 

 

System: BTSEL[1:0] sampled at

 

 

 

 

Power-on-Reset to determine Boot method

 

 

 

 

(00:NAND, 01:Flash, 10:UART, 11:SD)

 

VDD

PD

in L

Async EMIF: Address Bus bit[12]

PINMUX2[0].EM_A1

 

 

 

 

3_3,

 

 

 

GIO: GIO[066]

default set by

 

 

 

 

AECFG[0]

 

 

 

System: BTSEL[1:0] sampled at

 

 

 

 

Power-on-Reset to determine Boot method

 

 

 

 

(00:NAND, 01:Flash, 10:UART, 11:SD)

 

VDD

PU

in H

Async EMIF: Address Bus bit[11]

PINMUX2[0].EM_A1

 

 

 

 

3_3,

 

 

 

GIO: GIO[065]

default set by

 

 

 

 

AECFG[0]

 

 

 

System: AECFG[3:0] sampled at

 

 

 

 

Power-on-Reset to set AEMIF Configuration

 

 

 

 

AECFG[3] sets default for

 

 

 

 

PinMux2.EM_D15_8: AEMIF Default Bus

 

 

 

 

Width (0:16 or 1:8 bits)

 

VDD

PU

in H

Async EMIF: Address Bus bit[10]

PINMUX2[0].EM_A1

 

 

 

 

3_3,

 

 

 

GIO: GIO[064]

default set by

 

 

 

 

AECFG[0]

 

 

 

System: AECFG[3:0] sampled at

 

 

 

 

Power-on-Reset to set AEMIF Configuration

 

 

 

 

AECFG[2:1] sets default for

 

 

 

 

PinMux2.EM_BA0: AEMIF EM_BA0

 

 

 

 

Definition (00: EM_BA0, 01: EM_A14,

 

 

 

 

10:GIO[054], 11:rsvd)

 

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Device Overview

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Texas Instruments TMS320DM355 warranty PWR Ddri, GND Ddrd, PWR Ddrd Ddrzn Ddri, Aemi, BTSEL1 GIO, BTSEL0 GIO, AECFG3 GIO
Page 42 Page 44

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.
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