Advantech PCL-734 Manual do Utilizador descarregar pdf (Página 57)

The PCI-1733 Interrupt Status Register control the status of four interrupt

signal sources (IDI0, IDI1, IDI16, IDI17).

Table C-9 Register for interrupt status

Read Interrupt Status Register

Bit # 7 6 5 4 3 2 1 0

BASE + 8H IDI17EN IDI16EN IDI1EN IDI0EN

BASE + CH IDI17RF IDI16RF IDI1RF IDI0RF

BASE + 10H IDI17F IDI16F IDI1F IDI0F

IDInF Interrupt flag bits (n = 0, 1, 16, 17)

This bit is a flag indicating the status of an interrupt. User

can read this bit to get the status of the interrupt

0 No interrupt

1 Interrupt occurred

IDInEN Interrupt enable control bits (n = 0, 1, 16, 17)

Read this bit to Enable/Disable the interrupt.

0 Disable

1 Enable

IDInRF Interrupt triggering control bits (n = 0, 1, 16, 17)

The interrupt can be triggered by a rising edge or falling

edge of the interrupt signal, as determined by the value in

this bit.

0 Rising edge trigger

1 Falling edge trigger

1 2 ... 52 53 54 55 56 57 58 59

Sem comentários

Advantech PCL-734 Manual do Utilizador Página 57