Texas Instruments TMS320C6712D warranty Edma Registers, Quick DMA Qdma and Pseudo Registers†

Models: TMS320C6712D

1 102
Download 102 pages 54.97 Kb
Page 15
Image 15

SPRS293A − OCTOBER 2005 − REVISED NOVEMBER 2005

peripheral register descriptions (continued)

For more details on the EDMA parameter RAM 6-word parameter entry structure, see Figure 2.

Word 0

Word 1

Word 2

Word 3

Word 4

Word 5

310

EDMA Channel Options Parameter (OPT)

EDMA Channel Source Address (SRC)

Array/Frame Count (FRMCNT)

Element Count (ELECNT)

 

 

EDMA Channel Destination Address (DST)

 

 

Array/Frame Index (FRMIDX)

Element Index (ELEIDX)

 

 

Element Count Reload (ELERLD)

Link Address (LINK)

 

 

EDMA Parameter

OPT

SRC

CNT

DST

IDX

RLD

Figure 2. EDMA Channel Parameter Entries (6 Words) for Each EDMA Event

 

 

 

Table 8. EDMA Registers

 

 

 

 

HEX ADDRESS RANGE

ACRONYM

 

REGISTER NAME

 

 

 

 

01A0 0800 − 01A0 FEFC

Reserved

 

 

 

 

01A0 FF00

ESEL0

EDMA event selector 0

01A0 FF04

ESEL1

EDMA event selector 1

01A0 FF08 − 01A0 FF0B

Reserved

 

 

 

 

01A0 FF0C

ESEL3

EDMA event selector 3

01A0 FF1F − 01A0 FFDC

Reserved

 

 

 

 

01A0 FFE0

PQSR

Priority queue status register

 

 

 

 

01A0 FFE4

CIPR

Channel interrupt pending register

 

 

 

 

01A0 FFE8

CIER

Channel interrupt enable register

 

 

 

 

01A0 FFEC

CCER

Channel chain enable register

 

 

 

 

01A0 FFF0

ER

Event register

 

 

 

 

01A0 FFF4

EER

Event enable register

 

 

 

 

01A0 FFF8

ECR

Event clear register

 

 

 

 

01A0 FFFC

ESR

Event set register

 

 

 

 

01A1 0000 − 01A3 FFFF

Reserved

 

 

 

 

 

Table 9. Quick DMA (QDMA) and Pseudo Registers

 

 

 

 

HEX ADDRESS RANGE

ACRONYM

 

REGISTER NAME

 

 

 

 

0200 0000

QOPT

 

QDMA options parameter register

 

 

 

 

0200 0004

QSRC

 

QDMA source address register

 

 

 

 

0200 0008

QCNT

 

QDMA frame count register

 

 

 

 

0200 000C

QDST

 

QDMA destination address register

 

 

 

 

0200 0010

QIDX

 

QDMA index register

 

 

 

 

0200 0014 − 0200 001C

 

Reserved

 

 

 

 

0200 0020

QSOPT

 

QDMA pseudo options register

 

 

 

 

0200 0024

QSSRC

 

QDMA pseudo source address register

 

 

 

 

0200 0028

QSCNT

 

QDMA pseudo frame count register

 

 

 

 

0200 002C

QSDST

 

QDMA pseudo destination address register

 

 

 

 

0200 0030

QSIDX

 

QDMA pseudo index register

All the QDMA and Pseudo registers are write-accessible only

POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

15

Page 15
Image 15
Texas Instruments TMS320C6712D warranty Edma Registers, Quick DMA Qdma and Pseudo Registers†

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.