TMS320DM355

Digital Media System-on-Chip (DMSoC)

www.ti.com

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

6 Revision History

This data sheet revision history highlights the technical changes made to the SPRS463 device-specific data sheet to make it an SPRS463A revision.

Scope: Updated DM355 Pin Descriptions table, etc.

ADDS/CHANGES/DELETES

Section 1.1, Features:

Video Processing Subsystem feature:

14-Bit Parallel AFE (Analog Front End) Interface: Changed speed from 75 MHz to 67.5 MHz

Table 2-1, Characteristics of the Processor:

Corrected the Product Status

Updated Table 2-3, DM355 ARM Configuration Bus Access to Peripherals

Updated Figure 2-1, Pin Map [Quadrant A]

Updated Figure 2-2, Pin Map [Quadrant B]

Updated Figure 2-3, Pin Map [Quadrant C]

Updated Figure 2-4, Pin Map [Quadrant D]

Table 2-7, Digital Video Terminal Functions:

Changed Terminal No. of YOUT7-R7 from "C2" to "C3"

Table 2-9, Asynchronous EMIF/NAND/OneNAND Terminal Functions:

Changed Terminal No. of EM_BA0/GIO054/EM_A14 from "T19" to "N19"

H16: Changed Terminal Name from EM_AVD/GIO032 to EM_ADV/GIO032

Table 2-10, DDR Terminal Functions:

R11: Changed Terminal Name from DDR_VSSDLL to VSSA_DLL

R10: Changed Terminal Name from DDR_VDDDLL to VDDA33_DDRDLL

Updated Table 2-11, GPIO Terminal Functions

Section 2.4.7, Universal Serial Bus (USB) Interface:

Deleted NOTE about OTG supplies not being supported

Updated Table 2-13, USB Terminal Functions

Table 2-17, SPI Terminal Functions:

Changed Terminal No. of GIO007/SPI0_SDENA[1] from "B12" to "C17"

Table 2-21, System/Boot Terminal Functions:

Updated all Terminal Names — changed "GOP" to "GIO"

Updated Table 2-23, DM355 Pin Descriptions

Section 3.1.1, Components of the ARM Subsystem:

Updated the "Video Processing Front End (VPFE)" sub-list

Updated Table 3-7, PLL2 Supported Clocking Configurations for DM355-270 (24 MHz reference)

Table 3-9:

Changed title from "PLL2 Supported Clocking Configurations for DM355L (36 MHz reference)" to "PLL2 Supported Clocking Configurations for DM355-270 (36 MHz reference)"

Updated table

Section 3.12.1, Boot Modes Overview:

"If BTSEL[1:0] = 01" bulleted item: Changed "Asynchronous EMIF (AEMIF or NOR Flash) boot." to "Asynchronous EMIF (AEMIF) boot."

Section 4.2, Recommended Operating Conditions:

Changed VDD_PLL1 to VDDA_PLL1

Changed VDD_PLL2 to VDDA_PLL2

Added VDDA33_DDRDLL (Supply voltage, DDR DLL Analog)

Removed VDDA18 (Supply voltage, Analog)

Changed VSSA_USB to VSS_USB

Removed VSSA (Supply ground, Analog)

Updated descriptions of VSS_MX1 and VSS_MX2

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Revision History

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Texas Instruments TMS320DM355 warranty Revision History, Adds/Changes/Deletes

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.