Measurement-computing CIO-INT-32 Manuel d'utilisateur télécharger pdf (Page 13)

4.0 SPECIFICATIONS

Typical for 25°C unless otherwise specified.

Power consumption

+5V Operating 440 mA typical, 720 mA max

Counter/Timer and Parallel I/O

Device Zilog Z85C36 (2)

Output High 2.4 volts min @ -250uA

Output Low 0.5 volts max @ +3.2 mA

Input High 2.0 volts min, 7 volts absolute max

Input Low 0.8 volts max, -0.3 volts absolute min

Power-up / reset state Input mode (high impedance)

Configured as Digital Input/Output Ports:

Digital Configuration 4 banks of 8 (Ports A and B), 2 banks of 4

(Port C), programmable by bit or bank as input

or output

Number of channels 40 I/O

Configured as Counter/Timers: (Port A is a Digital I/O port only)

Counter type Zilog Z85C36

Counter Configuration 6 16-bit counter/timers (Port B - High and Low

nibble - and Port C)

All Trigger (C1-C3 TRIG), Source (C1-C3

IN), Gate (C1-C3 GATE), and Output (C1-C3

OUT) available at user connector.

Clock input frequency 3Mhz max

High pulse width (clock input) 150ns min

Low pulse width (clock input) 150ns min

Trigger pulse width (high,low) 130ns min

Interrupts:

The Z8536 is programmable to generate interrupts based on bit change, pattern

recognition, level or edge triggered, whether configured as a digital I/O port or

counter port. See Z8536 manual for further options.

Interrupts Levels 2 through 7, jumper selectable (IRQ

LEVEL)

Interrupt enable Jumper selectable (IRQ LEVEL) and external

(INT ENABLE), active low (pulled high

through resistor).

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 23 24

Pas de commentaire

Measurement-computing CIO-INT-32 Manuel d'utilisateur Page 13