Measurement-computing CIO-INT-32 Manuel d'utilisateur télécharger pdf (Page 11)

3.6 CONNECTOR DIAGRAM

The CIO-INT32 I/O connector is a 50 pin header type connector accessible from the

rear of the PC through the expansion backplate. The signals available are direct

connections to a Z8536 digital I/O chip.

If frequent changes to signal connections or signal conditioning is required, please

refer to catalog information on the CIO-MINI50 screw terminal board.

3.7 Z8536 CONTROL & DATA REGISTERS

Each CIO-INT32 is composed of two Z8536 parallel I/O chips. Each chip contains

three data and one control register occupying four consecutive I/O locations.

Complete programming and interface information is included in the Zilog Z8536

manuals.

Control and output of the Z8536 chips is accomplished by I/O writes, status and inputs

may be read from I/O ports.

OUT/

INTA

INTB OUT

FIRST Z8536

BASE + 0, 1, 2

SECOND Z8536

BASE + 4, 5, 6

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 23 24

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Measurement-computing CIO-INT-32 Manuel d'utilisateur Page 11