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SM320DM642-EP Arkusz danych(PDF) 2 Page - Texas Instruments |
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SM320DM642-EP Arkusz danych(HTML) 2 Page - Texas Instruments |
2 / 170 page www.ti.com 1.2 Description SM320DM642-EP Video/Imaging Fixed Point Digital Signal Processor SGUS058B – JUNE 2007 – REVISED JANUARY 2008 • Two Multichannel Buffered Serial Ports • 548 Pin Ball Grid Array (BGA) Package (McBSPs) (GDK and ZDK Suffixes), 0.8 mm Ball Pitch • Three 32 Bit General Purpose Timers • 548-Pin Ball Grid Array (BGA) Package (GNZ and ZNZ Suffixes), 1.0 mm Ball Pitch • Sixteen General Purpose I/O (GPIO) Pins • 0.13 µm/6 Level Cu Metal Process (CMOS) • Flexible PLL Clock Generator • 3.3 V I/O, 1.2 V Internal (-500) • IEEE-1149.1 (JTAG) Boundary- Scan-Compatible • 3.3 V I/O, 1.4 V Internal (A-500, A-600, -600, -720) The C64x™ DSPs (including the SM320DM642-EP device) are the highest-performance fixed-point DSP generation in the C6000™ DSP platform. The DM642 device is based on the second-generation high-performance, advanced VelociTI™ very-long-instruction-word (VLIW) architecture (VelociTI.2™) developed by Texas Instruments (TI), making these DSPs an excellent choice for digital media applications. The C64x is a code-compatible member of the C6000 DSP platform. With performance of up to 5760 million instructions per second (MIPS) at a clock rate of 720 MHz, the DM642 device offers cost-effective solutions to high-performance DSP programming challenges. The DM642 DSP possesses the operational flexibility of high-speed controllers and the numerical capability of array processors. The C64x™ DSP core processor has 64 general-purpose registers of 32-bit word length and eight highly independent functional units—two multipliers for a 32-bit result and six arithmetic logic units (ALUs)—with VelociTI.2™ extensions. The VelociTI.2 extensions in the eight functional units include new instructions to accelerate the performance in video and imaging applications and extend the parallelism of the VelociTI™ architecture. The DM642 can produce four 16-bit multiply-accumulates (MACs) per cycle for a total of 2880 million MACs per second (MMACS), or eight 8-bit MACs per cycle for a total of 5760 MMACS. The DM642 DSP also has application-specific hardware logic, on-chip memory, and additional on-chip peripherals similar to the other C6000 DSP platform devices. The DM642 uses a two-level cache-based architecture and has a powerful and diverse set of peripherals. The Level 1 program cache (L1P) is a 128-Kbit direct mapped cache and the Level 1 data cache (L1D) is a 128-Kbit 2-way set-associative cache. The Level 2 memory/cache (L2) consists of an 2-Mbit memory space that is shared between program and data space. L2 memory can be configured as mapped memory, cache, or combinations of the two. The peripheral set includes: three configurable video ports; a 10/100 Mbps Ethernet MAC (EMAC); a management data input/output (MDIO) module; a VCXO interpolated control port (VIC); one multichannel buffered audio serial port (McASP0); an inter-integrated circuit (I2C) Bus module; two multichannel buffered serial ports (McBSPs); three 32-bit general-purpose timers; a user-configurable 16-bit or 32-bit host-port interface (HPI16/HPI32); a peripheral component interconnect (PCI); a 16-pin general-purpose input/output port (GP0) with programmable interrupt/event generation modes; and a 64-bit glueless external memory interface (EMIFA), which is capable of interfacing to synchronous and asynchronous memories and peripherals. The DM642 device has three configurable video port peripherals (VP0, VP1, and VP2). These video port peripherals provide a glueless interface to common video decoder and encoder devices. The DM642 video port peripherals support multiple resolutions and video standards (e.g., CCIR601, ITU-BT.656, BT.1120, SMPTE 125M, 260M, 274M, and 296M). These three video port peripherals are configurable and can support either video capture and/or video display modes. Each video port consists of two channels — A and B with a 5120-byte capture/display buffer that is splittable between the two channels. For more details on the Video Port peripherals, see the TMS320C64x™ DSP Video Port/VCXO Interpolated Control (VIC) Port Reference Guide (literature number SPRU629). SM320DM642 Video/Imaging Fixed-Point Digital Signal Processor 2 Submit Documentation Feedback |
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