TMS320DM355

Digital Media System-on-Chip (DMSoC)

www.ti.com

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

5.2 Recommended Clock and Control Signal Transition Behavior

All clocks and control signals should transition between VIH and VIL (or between VIL and VIH) in a monotonic manner.

5.3 Power Supplies

The power supplies of DM355 are summarized in Table 5-1.

Table 5-1. Power Supplies

Customer

Tolerance Package

Chip Plane

Board

Plane

Name

Supply

 

 

Description

Comments

PRODUCT PREVIEW

1.3 V

±5%

1.3 V

3.3 V

±5%

3.3 V

3.3 V

±5%

3.3 V

1.8 V

±5%

1.8 V

1.8 V

±5%

1.8 V

1.8 V

±5%

1.8 V

0 V

n/a

0 V

0 V

n/a

0 V

0 V

n/a

0 V

0 V

n/a

0 V

0 V

n/a

0 V

0 V

n/a

0 V

0 V

n/a

0 V

0 V

n/a

0 V

CVDD

VDDA_PLL1

VDDA_PLL2

VDDD13_USB

VDDA13_USB

VDD

VDD

VDD

VDD

VDDA33_DDRDLL

VDDA33_USB

VDDA33_USB_PLL

VDD

VDD_VIN

VDD_VOUT

VDD_DDR

VDDA18

VDDA18_DAC

VSS_MX1

VSS_MX2

VSS

VSSA

VSA_PLL1

VSSA_PLL2

VSSA_DLL

VSS_USB

Core VDD

 

PLL1 VDDA

 

PLL2 VDDA

 

USB 1.3 V supply

 

USB 1.3 V supply

 

IO VDD for LVCMOS

VDDSHV

IO VDD for MXI/O1

VDDSHV

IO VDD for MXI/O2

VDDSHV1

IO VDD for ISB DRVVBUS

VDDSHV2

DDR DLL analog VDD

 

Analog 3.3 V power USB PHY

 

Common mode 3.3 V power for USB

 

PHY (PLL)

 

IO VDD for peripherals

 

IO VDD for VideoIN I/F

 

IO VDD for VideoOUT I/F

 

 

Analog 1.8 V power

 

Place decoupling caps (0.1μF/10μf) close

 

to chip

 

Connect to external crystal capacitor

 

ground

 

Connect to external crystal capacitor

 

ground

Chip ground

 

USB ESD ground

 

ground

VSS

ground

Keep separate from digital ground VSS

PLL1 VSSA

 

PLL2 VSSA

 

DLL ground

 

USB ground

VSSA13_USB

 

VSSA13_USB

 

VSSA33_USB

 

VSSA33_USB_PLL

0 V

n/a

0 V

VSS_USB_REF

0 V

n/a

0 V

VSSA_DAC

VDDS*0.5

 

VDDS*0.5

VREFSSTL

5 V

 

5 V

USB_VBUS

USB PHY reference ground

VSSREF

DAC ground

Keep separate from digital ground VSS

DRR ref voltage

VDDS divided by 2, through board resistors

VBUS

Connect to external charge pump

96

Peripheral Information and Electrical Specifications

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Texas Instruments TMS320DM355 Recommended Clock and Control Signal Transition Behavior, Power Supplies, Tolerance Package
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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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