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A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T. U. V. W. X. Y. Z.
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| A. |
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| B. |
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| C. |
- 'C4x
- High power DSP made by Texas Instruments.
- 'C6x
- An even higher power DSP made by Texas Instruments.
- Cable(s)
- An encased group of insulated wires for transmitting electricity etc.
Communication ports (TMS320Cxx) or Comm-port
- Communications Ports: the 8-bit data parallel inter-processor ports of the ‘C4x processor
- Conversion Speed or Rate
- The number of conversions per second to a specified resolution or accuracy.
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| D. |
- DAT
- Digital Audio Tape
- DDC
- Digital Down Converter.
- DCT
- Discrete Co-sine Transform: used to transform discrete data from the domain of time or space to the frequency domain, without analyzing the phase of the signal
- DMA
- Direct Memory Access: a type of data transfer which does not require the intervention of the main processor
- DMA Coprocessor (TMS320C4x)
- Coprocessor used to control DMA transfers.
- DNL
- Differential Non-Linearity. DNL is a measure of the deviation from ideal between any two adjacent codes. An ideal converter has the code exactly the same size, and a DNL of 0 (zero).
- DRAM
- Dynamic Random Access Memory: a cheap and compact form of RAM which needs to be periodically refreshed in order to retain its contents
- DSP
- Digital Signal Processor.
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| E. |
- EDRAM
- Enhanced Dynamic Random Access Memory.
- EEPROM
- Electrically Eraseable Programmable Read Only Memory
- ENOB
- Effective Number of Bits. The ENOB is a means of evaluating the performance of A / D converters.
- EPROM
- Eraseable Programmable Read Only Memory: ROM which can be erased using ultra-violet light and reprogrammed
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| F. |
- FCT
- Fast Co-sine Transform
- FIR
- Finite Impulse Response filter: an unconditionally stable filter
- FFT
- Fast Fourier Transform: a computationally efficient algorithm for implementing the Discrete Fourier Transform which is used to transform discrete data from the domain of time or space to the frequency domain
- FLASH ADCs
- High speed ADCs, typically used in video applications
- FLASH ROM
- Fast Electrically Erasable ROM
- FPDP
- Front Panel Data Port: a standard digital interface used for the rapid transfer of data between I/O boards and DSP boards
- FPGA
- Field Programmable Gate Array: a general purpose chip which can be programmed to carry out a specific hardware function
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| G. |
- Gain Error / Full Scale Error
- The difference between the ideal and actual output when a converter input is at full scale.
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| H. |
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| I. |
- I2C
- Industry standard serial communications interface
- IDC
- Insulation Displacement Connector
- ID-ROM
- Identity Read Only Memory. A small EEPROM used to store configurational data.
- IIR
- Infinite Impulse Response filter: A filter which utilises feeback to provide very sharp transitions from the pass-band to the stop-band; can be unstable
- INL
- Integral Non-Linearity. Error measurement used to describe the absolute accuracy of a converter.
- ISA
- Industry Standard Architecture
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| J. |
- JTAG
- Joint Test Action Group. A serial scan test bus, which can be used for testing and exercising the processor.
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| K. |
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| L. |
- LUT
- Look Up Table
- LSB
- Least Significant Bit. The right-most bit in a data converter code.
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| M. |
- MIPS
- Million Instructions Per Second
- MSB
- Most Significant Bit. The left-most bit in a data converter table.
- MSPS
- Mega Samples Per Second
- MFLOPS
- Million Floating Points Operations per Second
- MHz
- Mega Hertz (Million cycles per second)
- MOPS
- Million Operations Per Second
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| N. |
- NTSC
- Color TV standard (60Hz, 525 lines) developed in the US
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| O. |
- OEM
- Original Equipment Manufacturer
- Offset
- The difference between the ideal and the actual output when the converter input is zero.
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- PAL
- Phase Alternate Lines: colour TV standard (50Hz, 625 lines) used in most European countries and widely throughout the world
- PC-Card
- Formerly known as PCMCIA cards
- PCI Bus
- Peripheral Component Interconnect Local Bus. A high speed avenue for transferring data between the CPU and peripherals.
- PMC
- PCI Mezzanine Card: an industry standard PCI based subsystem in which mezzanine cards are connected to a carrier board by means of a local PCI bus
- PROM
- Programmable ROM: ROM which is supplied blank and is once programmable
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| Q. |
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| R. |
- RAMDAC
- Random Access Memory Digital Analogue Converter
- Resolution
- In the realm of A / D conversion this refers the Number of bits representing an analogue signal, generally ranging form 6 - 24. The higher the number of bits, the higher the resolution and generally the greater accuracy.
- RISC
- Reduced Instruction Set Computer
- RS-170
- US monochrome TV standard (60Hz, 525 lines)
- RTOS
- Real-Time Operating System
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- SBSRAM
- Synchronous Burst Static RAM: SRAM which contains its own clock to provide high bandwidth memory accesses
- SCSI
- Small Computer Systems Interface
- SDRAM
- Synchronous Dynamic RAM: DRAM which contains its own clock to provide high bandwidth memory accesses
- SFDR
- Spurious Free Dynamic Range. Refers to the range between the highest level of the fundamental frequency and the highest level of any spurious signal.
- Sigma-Delta ADCs
- ADCs which employ oversampling to achieve a high signal to noise ratio
- SRAM
- Static Random Access Memory: the conventional form of RAM
SDB
- The Sundance Digital Bus (SDB) is the new communication link developed by Sundance to transfer data between TIMs. It is a 16-bit parallel data link that allows transfer at up to 200Mbytes/s using a ground interlaced signal cable
Technical Specification (285 Kb)
SHB
- The Sundance High-speed Bus (SHB) is the second generation of the Sundance Digital Bus (SDB) and offers a 60-way COAX-cable connection (http://www.precisionint.com/tdibrsb/content/howtouse.asp) between each Module; The SHB can be used as a custom-design 60-way I/O port from the FPGA or can be configured as 2x 16-bit SDB ports, 1x 8-bit & 1x 32-bit or 5x 8-bit ports. The maximum speed for the SHB is rated up to 200MHz using Virtex-2 FPGAs fitted on the Module sites.
Technical Specification (285 Kb)
- SDL
- The Sundance Datapipe Link (SDL) is a 8-bit parallel data link that allows transfer at 50Mbytes/s between FPGAs using the standard comm-port link
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| T. |
- THD
- Total Harmonic Distortion. the ratio of the fundamental frequency to it's harmonic.
- TIM-40
- Short for Texas Instruments Module, a form-factor devised by TI for the TMS320C4x processor.
- TRAM
- Short for TRAnsputer Module, a form-factor devised by Inmos for the transputer.
- Transputer
- A high-performance RISC processor, with memory and communication channels.
- TTL I/O
- Transistor Transistor Logic Input/Output
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| U. |
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| V. |
- VME
- Versa Module Eurocard: industry standard 32-bit data bus offering theoretical transfer rates up to 40Mbytes/s. VME64 is a 64-bit version achieved by multiplexing the VMEbus’ 32 data lines and 32 address lines and offering theoretical transfer rates up to 80Mbytes/s
- VRAM
- Video Random Access Memory.
- VXI
- VMEbus Extensions for Instrumentation
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| W. |
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| X. |
- XDS510
- TI in-system emulator controller card
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| Y. |
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| Z. |
ZBT SRAM
- ZBT SRAM is synchronous fast static RAM designed to eliminate dead bus cycles during back-to-back read/write and back-to-back write/read cycles by providing 100% bus utilization.
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