Get wired!  

pinout (распиновка)

IEEE488 connector

This page not supported any more. Please visit this page

An HP bidirectional parallel printer interface


24 pin Amphenol male connector
Capable of handling 15 devices @ 500 kBps.
The maximum distance = number of devices * 2 meters with an absolute maximum of 20 meter.

The bus consists of one controller and 1 to 15 devices in a daisy chain fashion:

An IEEE 488 device has per device 4 different addresses for Command, Listen, Talk and Secondary.

Pin Name Description Source
1 DIO1 Data Bit 1 Talker
2 DIO2 Data Bit 2 Talker
3 DIO3 Data Bit 3 Talker
4 DIO4 Data Bit 4 Talker
5 EOI End Or Indentity Talker/Controller
6 DAV Data Valid Controller
7 NRFD Not Ready For Data Listener
8 NDAC No Data Accepted Listener
9 IFC Interface Clear Controller
10 SRQ Service Request Talker
11 ATN Attention Controller
12   Shield -
13 DIO5 Data Bit 5 Talker
14 DIO6 Data Bit 6 Talker
15 DIO7 Data Bit 7 Talker
16 DIO8 Data Bit 8 Talker
17 REN Remote Enabled Controller
18   Ground DAV -
19   Ground NRFD -
20   Ground NDAC -
21   Ground IFC -
22   Ground SRQ -
23   Ground ATN -
24   Logical Ground -

Data Lines:

Name Description
DIO1 to DIO8 Data Input Output

Handshake Lines:

Name Description
DAV Data Valid
NRFD Not Ready For Data
NDAC Not Data Accepted

Interface Management Lines:

Name Description
ATN Attention
IFC Interface Clear
REN Remote Enable
SRQ Service Request
EOI End or Identify

Реклама: