TMS320DM642AZNZ7

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The Texas Instruments TMS320DM642AZNZ7 is an embedded digital signal processor (DSP) mainly found in system-on-chip (SoC) applications. It is based on a complex dual-core architecture with a floating-point 32-bit VLIW core, making it suitable for various demanding applications.

Applications of the TMS320DM642AZNZ7 are mainly found in multimedia and audio/video applications, automotives, imaging and traction control, medical equipment, military and avionics systems, consumer electronics, audio/video systems, and more.

The main features of the TMS320DM642AZNZ7 include two 32-bit RISC processor cores, 16KB data and 8KB instruction L1 caches, two 400MHz TMS320C6455 floating-point DSP cores, 48KB instruction and 16KB data L2 caches, SDRAM controller and EDMA2, eight DMA engines, eight 16-bit A/D converters, four 16-bit D/A converters, embedded SRAM and ROM up to 6MB, three dual-channel 165MHz LVDS ports, one single-channel 165MHz LVDS port, one dual-channel 66MHz LVDS port, 10/100 Ethernet media access controller, five 32-bit 266 or 333 MHz PCI peripherals, one SPI, I2C, interrupt controller, one Ethernet switch, and a JTAG port.

The TMS320DM642AZNZ7 also includes three complex instruction sets: the fixed-point instruction set, the floating-point instruction set, and the extended-precision floating-point instruction set. The fixed-point instruction set is composed of two 16-bit fixed-point data lengths, allowing for more compact code and faster execution speeds. The floating-point instruction set is based on the IEEE 754-1985 standard and allows for optimization of both single-estate and double-precision arithmetic operations. The extended-precision floating-point instruction set, based on IEEE 892-1985, is directed towards applications requiring extended-precision floating-point operations.

The TMS320DM642AZNZ7 is programmed using several supported development environments, such as C++, Assembly Language, ANSI C, and Object-Oriented Programming. It uses the CodeCoherency Processor Unit (CCPU) to manage transfers of code and data between the two independent cores. This enables applications to run simultaneously and efficiently on each core without sacrificing performance due to code or data transfers. This processor also supports full-featured DSP libraries and Fixed-Point Math libraries from the Code Generation Tools (CGT) family, providing access to application-specific optimization and code libraries.

In summary, the TMS320DM642AZNZ7 is an advanced embedded digital signal processor, suitable for various applications requiring high-performance computing. It is based on a sophisticated 32-bit VLIW architecture with two independent clocked processor cores running at twice the clock rate of the single-core solutions, speeds of up to 400MHz, and multiple16-bit and 32-bit memory interfaces. It supports a wide range of programming environments and several instruction sets, making it an attractive choice for embedded applications.

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