Measurement-computing Analyzer488 Uživatelský manuál stáhnout pdf (Strana 107)

Section 4 Serial Controller

4.13

mode allows control of the IEEE 488 bus using high level commands.

Low Level Controller mode allows direct control over all data and bus

management lines using an alternate command set.

4.11.6 Bus States

This section describes the bus command and data transfers using

IEEE 488 bus mnemonics abbreviated as follows:

DIO lines

87 65 43 21

ATN Attention

data Data String

DCL Device Clear x 0 0 1 0 1 0 0

EOI End Or Identify

GET Group Execute Trigger x 0 0 0 1 0 0 0

GTL Go To Local x0 00 00 01

IFC Interface Clear

LAG Listen Address Group x 0 1 a d d r n

LLO Local Lock Out x 0 0 1 0 0 0 1

MLA My Listen Address x 0 1 a d d r n

MTA My Talk Address x 1 0 a d d r n

PPC Parallel Poll Configure x 0 0 0 0 1 0 1

PPD Parallel Poll Disable x 1 1 1 0 0 0 0

PPE Parallel Poll Enable x 1 1 0 S P3 P2 P1

PPU Parallel Poll Unconfigure x 0 0 1 0 1 0 1

REN Remote Enable

SDC Selected Device Clear x 0 0 0 0 1 0 0

SPD Serial Poll Disable x 0 0 1 1 0 0 1

SPE Serial Poll Enable x0 01 10 00

SRQ Service Request

TAG Talker Address Group x 1 0 a d d r n

TCT Take Control x 0 0 0 1 0 0 1

UNL Unlisten x 0 1 1 1 1 1 1

UNT Untalk x1 01 11 11

(x = "don't care")

1 2 ... 102 103 104 105 106 107 108 109 110 111 112 ... 280 281

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Measurement-computing Analyzer488 Uživatelský manuál Strana 107