SPRS293A − OCTOBER 2005 − REVISED NOVEMBER 2005

 

 

 

 

 

 

 

 

 

 

 

 

Table 14. Device Configurations Pins at Device Reset

 

 

 

 

(LENDIAN, EMIFBE, BOOTMODE[1:0], and CLKMODE0)

 

 

 

 

 

 

 

 

 

 

 

CONFIGURATION

GDP/ZDP

 

 

FUNCTIONAL DESCRIPTION

 

 

PIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EMIF Big Endian mode correctness

 

 

 

 

 

 

 

(EMIFBE)

 

 

 

 

 

 

When Big Endian mode is selected (LENDIAN = 0), for proper device operation the

 

 

 

 

 

EMIFBE pin must be externally pulled low.

 

 

EMIFBE

C15

 

 

 

 

 

 

 

 

 

 

 

 

This new functionality does not affect systems using the current default value of C15 pin=1. For

 

 

 

 

 

more detailed information on the Big Endian mode correctness, see the EMIF Big Endian Mode

 

 

 

 

 

Correctness portion of this data sheet.

 

 

 

 

 

 

 

 

 

 

 

Device Endian mode (LEND)

 

 

 

 

 

0

System operates in Big Endian mode.

 

LENDIAN

B17

 

 

The EMIFBE pin must be pulled low.

 

 

 

 

 

1

System operates in Little Endian mode (default)

 

 

 

 

 

 

 

 

 

 

 

Bootmode Configuration Pins (BOOTMODE)

 

 

 

 

 

00 – Emulation boot

 

 

 

 

 

01 – CE1 width 8-bit, Asynchronous external ROM boot with default

 

 

 

 

 

 

 

timings (default mode)

 

BOOTMODE[1:0]

C19, C20

10 −

CE1 width 16-bit, Asynchronous external ROM boot with default

 

 

 

timings

 

 

 

 

 

 

 

 

 

 

 

 

11 −

Reserved, do not use

 

 

 

 

 

For more detailed information on these bootmode configurations, see the bootmode section of

 

 

 

 

 

this data sheet.

 

 

 

 

 

 

 

 

 

 

 

Clock generator input clock source select

 

 

 

 

 

0

Reserved. Do not use.

 

CLKMODE0

C4

1

CLKIN square wave [default]

 

 

 

 

 

 

 

 

 

 

 

For proper device operation, this pin must be either left unconnected or externally pulled up

 

 

 

 

 

with a 1-kresistor.

 

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Texas Instruments TMS320C6712D Configuration GDP/ZDP Functional Description PIN, Emifbe, Lendian, BOOTMODE10, CLKMODE0

TMS320C6712D specifications

The Texas Instruments TMS320C6712D is a high-performance, fixed-point digital signal processor (DSP) that belongs to the TMS320C6000 family, well known for its advanced processing capabilities tailored for demanding signal processing applications. Launched in the early 2000s, the C6712D combines high computational power with a rich set of features, making it suitable for a variety of applications such as telecommunications, audio processing, and industrial control systems.

One of the standout characteristics of the TMS320C6712D is its architecture, which is based on a highly efficient VLIW (Very Long Instruction Word) design. This architecture allows the processor to execute multiple instructions in a single clock cycle, significantly increasing performance. The device operates at clock speeds of up to 150 MHz, providing substantial computational throughput that can handle complex algorithms and real-time processing tasks.

Another key feature of the TMS320C6712D is its 32-bit fixed-point processing capabilities, which allows it to perform difficult mathematical computations efficiently. With an instruction set optimized for DSP applications, the processor includes specialized instructions for multiplying and accumulating operations, as well as support for advanced filtering and generation of audio signals.

The C6712D offers an extensive memory architecture, supporting up to 128 MB of external memory via a 32-bit data bus. It features on-chip SRAM, which provides fast access to data and program storage, enhancing the system's overall performance. Additionally, the device includes a powerful set of peripherals, such as dual asynchronous serial ports (UART), I2C interfaces, and DSP-specific interfaces that facilitate connectivity with other components and systems.

Power consumption is another vital aspect of the TMS320C6712D. It incorporates technologies allowing for low-power operation, which is essential for portable and battery-operated devices. The capability to operate in various power modes helps optimize performance while minimizing energy usage.

In conclusion, the Texas Instruments TMS320C6712D is a versatile and powerful DSP that excels in high-performance applications. Its VLIW architecture, fixed-point processing capabilities, extensive memory options, and low power consumption make it an ideal choice for engineers looking to implement complex signal processing tasks efficiently. Whether used in telecommunications, audio processing, or industrial applications, the C6712D remains a reliable and capable solution in the digital signal processing landscape.