ABC of electronics terms
(To find chips for distinct functions, see the functional pages.)
| local |
This entry got it's own page. |
I2S
Can mean:
- Hard disk bus standard: Integrated Device/Drive Electronics
- Integrated Development Environment
IDE (Hard disk bus standard)
Integrated Device Electronics (also sometimes called: Integrated Drive Electronics).
The reason it's called Integrated Device Electronics is cause most of the goo needed to make the drive talk is integrated into the drive. In contrast with the ST506 days when the controller and drive BIOS were on a separate card. The design was made to be better, cheaper and more upgradeable. There's more the drive manufacturer can play with to suit themselves, such as packing more sectors in the outer cylinders, caching and upping speeds, without affecting the rest of the system.
I believe it was a Micropolis invention, but my memory is getting a little rusty here.
Bill
Roger Barraud later suggested that it was invented by Quantum.
Someone from Electronics 2000 in Australia (international computer company, I think)
recalls that the first ones they could buy came from Miniscribe, were 40 Mbyte in size
and used a 8051 MCU*.
Miniscribe was later swallowed up by Maxtor who then used the factory to produce
the infamous turn it on and see if it will boot this time 7040 and 7080
drives. They had no solid connectors between the drive and the controller
board but landing pads on each side with a rubber connector with vertical
metal strips in it. Press together job to make the connection. The problem
with these was the expansion and contraction of the rubber with temperature
breaking the bond (just after warranty of course).
ATA Packet Interface (ATAPI) for CD-ROM, SFF 8020I
- Global Engineering Documents
- 15 Inverness Way East
- Englewood, CO 80112-5704
- tel: +1-800-854-7179
- tel: +1-303-792-2181
- fax: +1-303-397-2740
Book:
General sites:
See also:
IDE (Integrated Development Environment)
| www.ristancase.ch/ |
Their "Development Assistant for C" supports directly the Keil C51, IAR 8051 and HIWARE 8051 compilers and has very useful functions: Editor with structured and non structured Flow Chart, Browser, Lint, Call and Type Hierarchy Graph, Software Metrics, Make file generator, Version Control Systems and Debugger interface, Tools integration, Project management, ... |
| www.datarepresentations.com/ |
Small but wonderful Java IDE. Written in Java itself so portable. Costs about $150. Downloadable demo that can't compile. |
See also the chapters Assembler, Disassembler, Emulator and Simulator. These things are also called SDK (Software Development Kit), when it's for developing software for specific hardware.
IEC
International Electrotechnical Commission.
Standards commission. For example: IEC-601 is a well recognized international EMC and/or electrical safety standard suite.
Institute of Electrical and Electronics Engineers
They establish electrical standards among other things.
See www.ieee.org/
See also ANSI, CCITT, CEN, DIN, ISO, NEN
IEEE 1284
IEEE 1394
This is a fast serial bus. Apple calls it 'firewire'. Sony calls it 'i-wire' I think.
Image Sensor
This is a part that can record a whole image at once.
It used to be done with very expensive radio tubes,
but now there are solid state CCD* and CMOS* image sensors resulting in
cheap appliances as WebCam's.
See also IRDA, local.
Instruction Set
The set of instructions a processor or controller understands and can execute.
Instrument
Insulator
Internet
Internet is the world-wide network connecting a lot of computers.
See Internet.
The bus of the original IBM PC/XT.
Later expanded to the EISA bus.
- ISA Bus Specification P996
- IEEE Service Center
- 445 Hoes Lane
- PO Box 1331
- Piscataway, New Jersey 08855
See also EISA
Another interesting source of information on ISA is the documentation from
various support chipset manufacturers. The quality varies, but they usually
define ISA signals, supply timing diagrams, provide AC specs, etc. Ask you
local distributor for datasheets on as many different products as you can
get.
For example:
- 82420/82430 PCIset ISA and EISA Bridges
- Intel
- order # 290483-002
is one I have handy, and may still be available. This is for a chip that
converts signals between PCI* and ISA. As a byproduct, you get documentation
on ISA signals.
RadiSys sells chipsets for embedded applications. Our datasheets cover these
signals, but the quantity and quality of documentation is poorer than what
is found in Solari. We can't afford to write a book for every chipset we
make. You can find our stuff at www.radisys.com/.
Bohdan Tashchuk
AT Bus Design
- Solari
- Covers the ISA-bus* in painful detail.
- About as much fun as reading an ISO document though.
Integrated Services Digital Network. This is the conventional form of digital telephony.
Lots of books about ISDN.
International Standards Organization
www.iso.ch/
www.iso.com/ - Not this one, it's the Insurance Services Office, Inc.
See also ANSI, CCITT, CEN, DIN, IEEE, NEN
This is a (bit hypy) quality norm for businesses.
For info about free ISO 9000 information seminars, call +1-248-543-6040, ext. 412.
www.integsolutions.com/ - Integral Solutions <integsol@internetmedia.net>
