IEEE 488 - definição. O que é IEEE 488. Significado, conceito
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O que (quem) é IEEE 488 - definição

GENERAL PURPOSE INTERFACE BUS (GPIB) SPECIFICATION
IEEE 488; General-Purpose Instrumentation Bus; General Purpose Instrumentation Bus; Hewlett-Packard Instrumentation Bus; Hewlett Packard Instrumentation Bus; GPIB; HP-IB; IEEE-4888; Hewlett-Packard Interface Bus; GP-IB; HPIB; Ieee 448; IEC 60488; IEC 60625; IEC-60488; IEC-625; General Purpose Interface; IEEE488; IEC-60625; IEC 625; General Purpose Interface Bus
  • [[National Instruments]] GPIB controller for PC ISA bus
  • IEEE-488 port with listed capabilities on a [[spectrum analyzer]].

IEEE 488         
<hardware, standard> (GPIB, General-Purpose Interface Bus, HP-IB, Hewlett-Packard Interface Bus) An 8-bit parallel bus common on test equipment. The IEEE-488 standard was proposed by Hewlett-Packard in the late 1970s and has undergone a couple of revisions. HP documentation (including data sheets and manuals) calls it HP-IB, or Hewlett-Packard Interface Bus. It allows up to 15 intelligent devices to share a single bus, with the slowest device participating in the control and data transfer handshakes to drive the speed of the transaction. The maximum data rate is about one megabit per second. Other standards committees have adopted HP-IB (American Standards Institute with ANSI Standard MC 1.1 and International Electro-technical Commission with IEC Publication 625-1). To paraphrase from the HP 1989 Test & Measurement Catalog (the 50th Anniversary version): The HP-IB has a party-line structure wherein all devices on the bus are connected in parallel. The 16 signal lines within the passive interconnecting HP-IB (IEEE-488) cable are grouped into three clusters according to their functions (Data Bus, Data Byte Transfer Control Bus, General Interface Management Bus). In June 1987 the IEEE approved a new standard for programmable instruments called IEEE Std. 488.2-1987 Codes, Formats, Protocols, and Common Commands. It works with the IEEE Standard Digital Interface for Programmable Instrumentation, IEEE 488-1978 (now 488.1). HP-IB is Hewlett-Packard's implementation of IEEE 488.1. (1996-05-10)
Hewlett-Packard Interface Bus         
General Purpose Interface Bus         

Wikipédia

IEEE-488

IEEE 488 is a short-range digital communications 8-bit parallel multi-master interface bus specification developed by Hewlett-Packard as HP-IB (Hewlett-Packard Interface Bus). It subsequently became the subject of several standards, and is generically known as GPIB (General Purpose Interface Bus).

Although the bus was created in the late 1960s to connect together automated test equipment, it also had some success during the 1970s and 1980s as a peripheral bus for early microcomputers, notably the Commodore PET. Newer standards have largely replaced IEEE 488 for computer use, but it is still used by some test equipment.