Measurement-computing PCM-DAC08 Manual do Utilizador descarregar pdf (Página 20)

DIO0DIO1DIO2DIO3DIO4DIO5DIO6DIO7

01234567

BASE + 4 - Interrupt Control & Digital I/O Direction Control

WRITE: Set control bits.

READ: Read status of control bits.

LDIRUDIRINT_ENINTREQXXXX

01234567

INTREQ

Default is no interrupt has occurred = 0. When set to 1 an interrupt has occurred.

External interrupts, when enabled, occur at TTL high (2.5<TTL High<5V).

A read base+1 clears this bit.

Interrupt status routinues may want to read and verify this bit then clear it with a read

of Base +1.

INT_EN

Enable external interrupt. Enable = 1. Disable = 0.

1 2 ... 15 16 17 18 19 20 21 22 23

Sem comentários

Measurement-computing PCM-DAC08 Manual do Utilizador Página 20