TMS320C6202

FIXED-POINT DIGITAL SIGNAL PROCESSOR

SPRS072B ± AUGUST 1998 ± REVISED AUGUST 1999

XHOLD/XHOLDA TIMING

timing requirements for expansion bus arbitration (internal arbiter enabled)² (see Figure 38)

NO.

 

MIN

MAX

UNIT

 

 

 

 

 

3

toh(XHDAH-XHDH)Output hold time, XHOLD high after XHOLDA high

P

ns

² P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

switching characteristics for expansion bus arbitration (internal arbiter enabled)²³ (see Figure 38)

NO.

 

PARAMETER

MIN

MAX

UNIT

 

 

 

 

 

 

1

tR(XHDH-XBHZ)

Response time, XHOLD high to XBus high impedance

4P

§

ns

2

td(XBHZ-XHDAH)

Delay time, XBus high impedance to XHOLDA high

0

2P

ns

4

tR(XHDL-XHDAL)

Response time, XHOLD low to XHOLDA low

4P

 

ns

5

td(XHDAL-XBLZ)

Delay time, XHOLDA low to XBus low impedance

0

2P

ns

²P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns. ³ XBus consists of XBE[3:0]/XA[5:2], XAS, XW/R, and XBLAST.

§ All pending XBus transactions are allowed to complete before XHOLDA is asserted.

 

DSP Owns Bus

External Requestor

DSP Owns Bus

 

Owns Bus

 

 

3

 

 

 

XHOLD (input)

 

 

 

 

 

2

4

XHOLDA (output)

 

 

 

 

 

1

5

XBus²

C6202

 

C6202

² XBus consists of XBE[3:0]/XA[5:2], XAS, XW/R, and XBLAST.

Figure 38. Expansion Bus ArbitrationÐInternal Arbiter Enabled

ADVANCE INFORMATION

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Texas Instruments TMS320C6202 specifications XHOLD/XHOLDA Timing, DSP Owns Bus External Requestor Xhold input, XBus ² C6202

TMS320C6202 specifications

The Texas Instruments TMS320C6202 is a powerful digital signal processor (DSP) that is well-regarded in the realm of high-performance computing applications. As part of the TMS320C6000 family, the C6202 was designed to meet the demanding requirements of telecommunications, audio and video processing, and other real-time digital signal processing tasks.

One of the primary features of the TMS320C6202 is its superscalar architecture. This allows the processor to execute multiple instructions simultaneously, significantly improving throughput and efficiency. With two functional units, the DSP can execute both fixed-point and floating-point operations in parallel, optimizing performance for various computational workloads.

The core clock frequency of the TMS320C6202 typically reaches up to 150 MHz, which means it can process instructions at impressive speeds. This high frequency, combined with an advanced instruction set that includes efficient looping and branching instructions, makes the C6202 highly adept at handling complex algorithms common in digital signal processing.

Memory access is another critical characteristic of the TMS320C6202. It supports a unified memory architecture featuring both on-chip SRAM and external memory interfaces. This enables seamless data transfer between the processor and memory, improving overall system performance. The processor can interface with diverse memory types, including SDRAM and other high-speed memory technologies, further enhancing its versatility.

Furthermore, the TMS320C6202 incorporates a range of built-in features designed to facilitate efficient development. Its integrated hardware multipliers and accumulators allow rapid computation of mathematical functions, while on-chip debugging support simplifies the development process. Additionally, the processor features a host of peripheral interfaces, enabling integrations for input/output operations, essential for real-time applications such as multimedia processing.

Texas Instruments excels in providing software and development tools for the TMS320C6202. The Code Composer Studio (CCS) and various libraries enhance the ease of programming and optimization for this DSP, which helps engineers accelerate product development.

Overall, the Texas Instruments TMS320C6202 is a robust digital signal processor characterized by its high-speed performance, dual functional units, innovative memory architecture, and support for sophisticated algorithms. It has become a preferred choice for applications requiring intensive signal processing capabilities, making significant contributions to fields such as telecommunications, multimedia, and industrial automation.