For the TMSC Pin PowerPAD plastic quad flatpack, the external . Another key feature of the C67x CPU is the load/store architecture, where all. C DSK Features. • A Texas Instruments TMSC DSP operating at MHz. • An AIC23 stereo codec. • 16 Mbytes of synchronous DRAM. Starter Kit (DSK), based on the TMSC floating point DSP running at MHz. The C processor has KB of internal memory, and can potentially address a pretty good idea of the TMSC architecture and features.

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Some DSP algorithms are best carried out in stages. Most present day DSPs use this dual bus architecture. We only need other architectures when very fast processing is required, and we are willing to pay the price of increased complexity. The overriding goal is to proessor the data in, perform the math, and move the data out before the next sample is available.

These are extremely high speed connections. These are duplicate registers that can be switched with their counterparts in a single clock cycle. However, on additional executions of the loop, the program instructions can be pulled from the instruction fsp. For instance, IIR filters are more stable if processro as a cascade of biquads a stage containing two poles and up to two zeros.


Everything else is secondary. At first glance, this doesn’t seem to help the situation; now we must transfer one value over the data memory bus the input signal samplebut two values over the program memory bus the program instruction and the coefficient. The Codec has 4 channels: This feature allows step 4 on our list managing the sample-ready interrupt to be handled very quickly and efficiently.


Just as important, dedicated hardware allows these data streams to be transferred directly into memory Direct Memory Access, or DMAwithout having to pass through the CPU’s registers. The main buses program memory bus and data memory bus are also accessible from outside the chip, providing an additional interface to off-chip memory and peripherals.

Fingerprint Capture And Verification Module. In comparison, an interrupt in the SHARC family is handled by moving the internal data into the shadow registers in a single clock cycle. They are used for fast context switchingthe ability to handle interrupts quickly.

Osborne Nicolas The McASP also provides extensive error-checking and recovery features, such as processoe bad clock detection circuit for each high-frequency master clock tmsc architecture verifies that the master clock is within a programmed frequency range.

CCS has a graphical capabilities and supports real time debugging. This executable file can be loaded and run directly on the dsp processors. Some DSPs have on-board analog-to-digital and digital-to-analog converters, a feature called mixed signal.

In this mode, the DAGs are configured to generate bit-reversed addresses into the circular buffers, a necessary part of the FFT algorithm. Since the buses operate independently, program instructions and data can be fetched at the same time, improving the speed over the single bus design.

The desired amount of multiplication can be obtained by selecting a proper divide by N network,where N is an integer. The C series is notable for its high performance set of on-chip control peripherals including PWMADCquadrature encoder modules, and capture modules. You can expect it pfocessor require about to clock cycles per sample architectue execute i.


The data register section of the CPU is used in the same way as in traditional microprocessors. A frequency multiplier can be designed using a PLL and a ‘divided by N’ counter.

If needed, these registers can also be used to control loops and counters; however, the SHARC DSPs have extra hardware registers to carry out many of these functions. Figure a shows how this seemingly simple task is done in a traditional microprocessor.

Architecture of the Digital Signal Processor

However, all DSPs can interface with external converters through serial or parallel ports. Due to features like PWM waveform synchronization with the ADC unit, the C line is well suited to many tmsc architecture control applications.

Block diagram of frequency multiplier: There are also many important features of the SHARC family architecture that aren’t shown in this simplified illustration.

This includes datasuch as samples from the input signal and the filter coefficients, as well as program instructionsthe binary codes that go into the program sequencer. Now let’s look inside the CPU. To design and setup an Frequency modulator circuit using IC and measure its modulation index. How to order your own hardcover copy Wouldn’t you rather have a bound book architectuure of loose pages?

The math processing is broken into three sections, a multiplieran arithmetic logic unit ALUand a barrel shifter.

One of the biggest bottlenecks in executing DSP algorithms is transferring information to and from memory.

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