TMS320DM355

Digital Media System-on-Chip (DMSoC)

www.ti.com

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

2.4.5GPIO

The General Purpose I/O signals provide generic I/O to external devices. Most of the GIO signals are multiplexed with other functions.

Table 2-11. GPIO Terminal Functions

PRODUCT PREVIEW

TERMINAL

NAME

NO.

GIO000

C16

GIO001

E14

GIO002

F15

GIO003

G15

GIO004

B17

GIO005

D15

GIO006

B18

GIO007 /

 

SPI0_SDE

C17

NA[1]

 

SPI1_SD

 

O /

E12

GIO008

 

SPI1_SDI

 

/ GIO009 /

A13

SPI1_SDE

 

NA[1]

 

SPI1_SCL

 

K /

C13

GIO010

 

SPI1_SDE

 

NA[0] /

E13

GIO011

 

UART1_T

 

XD /

R17

GIO012

 

UART1_R

 

XD /

R15

GIO013

 

I2C_SCL /

R14

GIO014

 

I2C_SDA /

R13

GIO015

 

CLKOUT3

C11

/ GIO016

 

CLKOUT2

A11

/ GIO017

 

CLKOUT1

D12

/ GIO018

 

MMCSD1

 

_DATA0 /

 

GIO019 /

A18

UART2_T

 

XD

 

TYPE (1) OTHER (2) (3)

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

I/O/ZVDD

DESCRIPTION

GIO: GIO[000] Active low during MMC/SD boot (can be used as MMC/SD power control).

Can be used as external clock input for Timer 3.

GIO: GIO[001] Can be used as external clock input for Timer 3.

GIO: GIO[002] Can be used as external clock input for Timer 3. GIO: GIO[003] Can be used as external clock input for Timer 3. GIO: GIO[004]

GIO: GIO[005]

GIO: GIO[006]

GIO: GIO[007]

SPI0: Chip Select 1

SPI1: Data Out

GIO: GIO[008]

SPI1: Data In -OR- SPI1: Chip Select 1 GIO: GIO[009]

SPI1: Clock GIO:

GIO[010]

SPI1: Chip Select 0

GIO: GIO[011]

UART1: Transmit Data

GIO: GIO[012]

UART1: Receive Data

GIO: GIO[013]

I2C: Serial Clock GIO:

GIO[014]

I2C: Serial Data

GIO: GIO[015]

CLKOUT: Output Clock 3

GIO: GIO[016]

CLKOUT: Output Clock 2

GIO: GIO[017]

CLKOUT: Output Clock 1

GIO: GIO[018]

MMCSD1: DATA0

GIO: GIO[019]

UART2: Transmit Data

(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.)

22

Device Overview

Submit Documentation Feedback

Page 22
Image 22
Texas Instruments TMS320DM355 warranty Gpio 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.