TMS320DM355ZCEA135

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In the embedded system applications, digital signal processing (DSP) is an important design element in many products. The very popular TMS320DM355ZCEA135 is an application processor that provides high performance, low-power and excellent scalability, which is especially suitable for advanced digital media applications, such as video and audio for consumer electronics and embedded multimedia. In this article, we will discuss the application field and working principle of the TMS320DM355ZCEA135.

The TMS320DM355ZCEA135 is a single-chip application processor that combines a TMS320C55x™ digital signal processor (DSP) core with a rich set of application-specific peripherals, allowing for high-performance, low-power and flexible designs for the most demanding digital multimedia applications. It provides up to 1200 MIPS DSP performance with the precise clock and memory control.

The processor also integrates on-chip 256KB of unified Hi-performance Cache (HPC) to reduce the delay between external DDR memory accesses. In addition, it integrates multiple buses to direct advanced peripheral access and memory transfers, including a 64-bit-wide multiple bus, a Peripheral Interface Bus (PIB), and a 32-bit Advanced High-performance Bus (AHB). These buses enable flexible peripheral configuration and memory access efficiency.

The TMS320DM355ZCEA135 supports mobile applications with a power consumption as low as 0.63 mW/MHz. It minimizes system current and reduces leakage current thus increasing standby battery life. In addition, it can conserve power via active power-down modes, making it an excellent choice for ultra-low-power applications.

The TMS320DM355ZCEA135 DSP core supports up to 128-bit single-instruction multiple-data (SIMD) operations, providing powerful digital signal processing capabilities. It has an on-chip addressing capability of over 4GB, allowing access to variable devices such as external DDR memory, FPGA-based logic elements, companion processors, and other peripherals. In addition, it provides enhanced I/O support that can be used to simultaneously read and write data to several peripherals.

The TMS320DM355ZCEA135 is suitable for a variety of multimedia applications such as digital video camera recorders, HDTVs, DVD players, streaming media player, and other consumer electronic products based on ARM architecture. It features an ultra-wide bus width up to 64-bits, enabling high throughput and lower system cost. It can be used to provide fast data access times, excellent quality of service and increased overall application performance.

The TMS320DM355ZCEA135 has a 5-stage scalar RISC architecture and is optimized for video applications. It supports up to 128-bit SIMD operations, providing powerful digital signal processing capabilities. Additionally, its Unified Bus offers powerful data and instruction virtualization, allowing access to different peripherals and near-zero latency memory accesses.

The TMS320DM355ZCEA135 DSP integrates several technologies, such as short-vector math processors and the Hyperlane bus. The short-vector math processors provide an area- and power-efficient implementation of 128-bit SIMD operations, reducing the amount of circuitry used to carry out a given computation. The Hyperlane bus improves memory access by reducing memory latency, which allows faster response to incoming data streams.

In summary, the TMS320DM355ZCEA135 is an advanced application processor for media-rich embedded designs. Its optimized 5-stage scalar RISC architecture, ultra-wide bus width up to 64-bits, HPC and Hyperlane bus provide high performance, low power, and excellent scalability for advanced digital multimedia applications. As a single-chip solution, it enables systems designers to maximize system performance and minimize total product cost.

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