PRODUCT PREVIEW

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

Power

PU

Reset

Description (4)

Mux Control

 

 

ID

(1)

 

Supply (2)

PD (3)

State

 

 

USB_VBUS

E5

A I/O

USBP

 

 

 

For host or device mode operation, tie the

 

 

 

 

 

HY

 

 

 

VBUS/USB power signal to the USB

 

 

 

 

 

 

 

 

 

connector.

 

 

 

 

 

 

 

 

 

When used in OTG mode operation, tie

 

 

 

 

 

 

 

 

 

VBUS to the external charge pump and to

 

 

 

 

 

 

 

 

 

the VBUS signal on the USB connector.

 

 

 

 

 

 

 

 

 

When the USB is not used, tie VBUS to

 

 

 

 

 

 

 

 

 

VSS_USB.

 

USB_DRVVBU

C5

O

USBP

VDD

 

 

Digital output to control external 5 V supply

 

S

 

 

 

HY

 

 

 

 

 

VSS_USB_REF

C8

GND

USBP

VDD

 

 

USB Ground Reference

 

 

 

 

 

HY

 

 

 

 

 

 

 

 

 

 

 

 

 

Connect directly to ground and to USB_R1

 

 

 

 

 

 

 

 

 

via

 

 

 

 

 

 

 

 

 

10K Ω ±1% resistor placed as close to the

 

 

 

 

 

 

 

 

 

device as possible.

 

VDDA33_USB

J8

PWR

USBP

VDD

 

 

Analog 3.3 V power USB PHY (Transceiver)

 

 

 

 

 

HY

 

 

 

 

 

VSS_USB

B7

GND

USBP

VDD

 

 

Analog 3.3 V ground for USB PHY

 

 

 

 

 

HY

 

 

 

(Transceiver)

 

VDDA33_USB_PLL

B6

PWR

USBP

VDD

 

 

Common mode 3.3 V power for USB PHY

 

 

 

 

 

HY

 

 

 

(PLL)

 

VSS_USB

D6

GND

USBP

VDD

 

 

Common mode 3.3 V ground for USB PHY

 

 

 

 

 

HY

 

 

 

(PLL)

 

VDDA13_USB

H7

PWR

USBP

VDD

 

 

Analog 1.3 V power for USB PHY

 

 

 

 

 

HY

 

 

 

 

 

VSS_USB

E6

GND

USBP

VDD

 

 

Analog 1.3 V ground for USB PHY

 

 

 

 

 

HY

 

 

 

 

 

VDDD13_USB

C6

PWR

USBP

VDD

 

 

Digital 1.3 V power for USB PHY

 

 

 

 

 

HY

 

 

 

 

 

MMCSD0_CLK

A15

I/O

MMC

VDD

 

out L

MMCSD0: Clock

PINMUX4[2].MMCS

 

 

 

 

SD0

 

 

 

 

D0_MS

MMCSD0_CMD

C14

I/O

MMC

VDD

 

in

MMCSD0: Command

PINMUX4[2].MMCS

 

 

 

 

SD0

 

 

 

 

D0_MS

MMCSD0_DAT

A14

I/O

MMC

VDD

 

in

MMCSD0: DATA3

PINMUX4[2].MMCS

A3

 

 

 

SD0

 

 

 

 

D0_MS

MMCSD0_DAT

B13

I/O

MMC

VDD

 

in

MMCSD0: DATA2

PINMUX4[2].MMCS

A2

 

 

 

SD0

 

 

 

 

D0_MS

MMCSD0_DAT

D14

I/O

MMC

VDD

 

in

MMCSD0: DATA1

PINMUX4[2].MMCS

A1

 

 

 

SD0

 

 

 

 

D0_MS

MMCSD0_DAT

B14

I/O

MMC

VDD

 

in

MMCSD0: DATA0

PINMUX4[2].MMCS

A0

 

 

 

SD0

 

 

 

 

D0_MS

UART0_RXD

U18

I

UART

VDD

 

in

UART0: Receive Data

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

Used for UART boot mode

 

UART0_TXD

T18

O

UART

VDD

 

out H

UART0: Transmit Data

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

Used for UART boot mode

 

SPI0_SDENA[0]

B12

I/O

SPI0 /

VDD

 

in

SPI0: Enable / Chip Select 0

PINMUX4[0].SPI0_S

/ GIO103

 

 

GIO

 

 

 

 

DENA

 

 

 

 

 

 

 

 

GIO: GIO[103]

 

SPI0_SCLK

C12

I/O

SPI0

VDD

 

in

SPI0: Clock

 

SPI0_SDI /

A12

I/O

SPI0 /

VDD

 

in

SPI0: Data In

PINMUX4[1].SPI0_S

GIO102

 

 

GIO

 

 

 

 

DI

 

 

 

 

 

 

 

 

GIO: GIO[102]

 

50

Device Overview

 

 

 

 

 

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Texas Instruments TMS320DM355 Usbvbus Usbp, Usbdrvvbu Usbp, GND Usbp, PWR Usbp, Pll, MMCSD0CLK, PINMUX42.MMCS, GIO Dena

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.