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TERMINAL

NAME NO.

TMS320DM355

Digital Media System-on-Chip (DMSoC)

SPRS463A –SEPTEMBER 2007 –REVISED SEPTEMBER 2007

Table 2-11. GPIO Terminal Functions (continued)

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

EM_A09 /

GIO063 / P17 AECFG[1]

EM_A10 /

GIO064 / R18 AECFG[2]

EM_A11 /

GIO065 / R16 AECFG[3]

EM_A12 /

GIO066 / U19 BTSEL[0]

EM_A13 /

GIO067 / V19 BTSEL[1]

VCLK / H3 GIO068

EXTCLK /

GIO069 /

I/O/Z

I/O/Z

I/O/Z

I/O/Z

I/O/Z

I/O/Z

PD

VDD

PU

VDD

PU

VDD

PD

VDD

PD

VDD

VDD_VOUT

PD

Async EMIF: Address Bus bit[09]

GIO: GIO[063] System: AECFG[3:0] sampled at Power-on-Reset to set AEMIF

Configuration AECFG[2:1] sets default for PinMux2.EM_BA0: AEMIF EM_BA0 Definition (EM_BA0, EM_A14, GIO[054], rsvd)

Async EMIF: Address Bus bit[10]

GIO: GIO[064] System: AECFG[3:0] sampled at Power-on-Reset to set AEMIF

Configuration AECFG[2:1] sets default for PinMux2.EM_BA0: AEMIF EM_BA0 Definition (EM_BA0, EM_A14, GIO[054], rsvd)

Async EMIF: Address Bus bit[11]

GIO: GIO[065] System: AECFG[3:0] sampled at Power-on-Reset to set AEMIF

Configuration AECFG[3] sets default for PinMux2.EM_D15_8: AEMIF Default Bus Width (16 or 8 bits)

Async EMIF: Address Bus bit[12]

GIO: GIO[066] System: BTSEL[1:0] sampled at Power-on-Reset to determine Boot method

Async EMIF: Address Bus bit[13]

GIO: GIO[067] System: BTSEL[1:0] sampled at Power-on-Reset to determine Boot method Used to drive Boot Status LED signal (active low) in ROM boot modes

Video Encoder: Video Output Clock

GIO: GIO[068]

Video Encoder: External clock input, used if clock rates > 27 MHz are needed,

PREVIEW

B2 / PWM3D

FIELD /

G3

I/O/Z

VDD_VOUT

e.g. 74.25 MHz for HDTV digital output

GIO: GIO[069] Digital Video Out: B2 PWM3D

GIO070 /

Video Encoder: Field identifier for interlaced display formats

R2 / PWM3C

H4

GIO: GIO[070] Digital Video Out: R2 PWM3C

VSYNC /

Video Encoder: Vertical Sync

GIO072

G5

GIO: GIO[072]

PRODUCT

HSYNC /

Video Encoder: Horizontal Sync

GIO073

F5

GIO: GIO[073]

COUT0-

B3 /F4 GIO074 /

PWM3B

COUT1-

B4 /F3 GIO075 /

PWM3A

COUT2- B5 /

GIO076 / E4 PWM2D /

RTO3

COUT3- B6 /

GIO077 / E3 PWM2C /

RTO2

COUT4- B7 /

GIO078 / D3 PWM2B /

RTO1

I/O/Z

I/O/Z

I/O/Z

I/O/Z

I/O/Z

I/O/Z

I/O/Z

I/O/Z

VDD_VOUT

PD

VDD_VOUT

PD

VDD_VOUT

VDD_VOUT

VDD_VOUT

VDD_VOUT

VDD_VOUT

VDD_VOUT

Digital Video Out: VENC settings determine function GIO: GIO[074] PWM3B

Digital Video Out: VENC settings determine function GIO: GIO[075] PWM3A

Digital Video Out: VENC settings determine function GIO: GIO[076] PWM2D RTO3

Digital Video Out: VENC settings determine function GIO: GIO[077] PWM2C RTO2

Digital Video Out: VENC settings determine function GIO: GIO[078] PWM2B RTO1

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Device Overview

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Texas Instruments TMS320DM355 warranty Type 1 Other 2 3 Description, PWM3B COUT1

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.