www.ti.com

TERMINAL

TMS320DM355

Digital Media System-on-Chip (DMSoC)

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

Table 2-15. UART Terminal Functions (continued)

TYPE (1) OTHER (2) (3) DESCRIPTION

NAMENO.

MMCSD1_DA

TA0/

MMCSD1: DATA0

A18 I/O/Z VDD GIO: GIO019

GIO019/UART2: TXD

UART2_TXD

2.4.10 I2C Interface

The includes an I2C two-wire serial interface for control of external peripherals. This interface is multiplexed with GIO signals.

Table 2-16. I2C Terminal Functions

TERMINAL

TYPE (1)

OTHER (2) (3)

DESCRIPTION

NAME

NO.

 

 

 

I2C_SDA/

R13

I/O/Z

VDD

I2C: Serial data

GIO015

GIO: GIO015

I2C_SCL/

R14

I/O/Z

VDD

I2C: Serial clock

GIO014

GIO: GIO014

(1)I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal.

(2)Specifies the operating I/O supply voltage for each signal. See Section 5.3, Power Supplies for more detail.

(3)PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 kΩ resistor should be used.)

2.4.11 Serial Interface

The includes three independent serial ports. These interfaces are multiplexed with GIO and other signals.

Table 2-17. SPI Terminal Functions

PRODUCT PREVIEW

TERMINAL

 

TYPE (1)

NAME

NO.

 

SPI0_SCLK

C12

I/O/Z

SPI0_SDENA[0]/

B12

I/O/Z

GIO103

 

 

GIO007

C17

I/O/Z

SPI0_SDENA[1]

 

 

SPI0_SDI/

A12

I/O/Z

GIO102

 

 

SPI0_SDO

B11

I/O/Z

SPI1_SCLK/

C13

I/O/Z

GIO010

 

 

SPI1_SDENA[0]/

E13

I/O/Z

GIO011

 

 

SPI1_SDI/

 

 

GIO009/

A13

I/O/Z

SPI1_SDENA[1]

 

 

SPI1_SDO/

E12

I/O/Z

GIO008

 

 

OTHER (2) (3) DESCRIPTION

VDD

SPI0: Clock

VDD

SPI0: Chip select 0

GIO: GIO[103]

VDD

GIO: GIO[007]

SPI0: Chip select 1

VDD

SPI0: Data in

GIO: GIO[102]

VDD

SPI0: Data out

VDD

SPI1: Clock

GIO: GIO[010]

 

SPI1: Chip select 0

VDD

GIO: GIO[011] - Active low during MMC/SD boot (can be used as

 

MMC/SD power control)

 

SPI1: Data in or

VDD

SPI1: Chip select

 

GIO: GIO[09]

VDD

SPI1: Data out

GIO: GIO[008]

(1)I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal.

(2)Specifies the operating I/O supply voltage for each signal. See Section 5.3, Power Supplies for more detail.

(3)PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 kΩ resistor should be used.)

Submit Documentation Feedback

Device Overview

31

Page 31
Image 31
Texas Instruments TMS320DM355 10 I2C Interface, Serial Interface, 16. I2C Terminal Functions, SPI Terminal Functions

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.