Figure 3-1. block diagram of gpib-com, Gpib, Figure 3-1 shows a block diagram of the gpib-com – National Instruments GPIB-COM User Manual

Page 22

Function Description

Section Three

GPIB-COM User Manual

3-2

© National Instruments Corporation

Figure 3-1 shows a block diagram of the GPIB-COM.

Address Bus

Interrupt

Control

Address

Decoding

INS8250A

Compatible

Registers

IRQ3

IRQ4

AEN

IOW*

IOR*

Data Bus

GPIB

Config.

Jumpers

Config.

Jumpers

PC I/O Channel

Direction

Buffer

Direction

Buffer

Mode Control

Logic

Acceptor

Handshake

Source

Handshake

GPIB

Transceivers

Figure 3-1. Block Diagram of GPIB-COM