Advantech PCI-1710HG Dokumentacja Pobierz pdf (Strona 131)

121

C.8 Status Register — BASE+6 and BASE+7

The registers of BASE+6 and BASE+7 provide information for A/D

configuration and operation.

Table C-10 Status Register

Write A/D Control Register

Bit # 7 6 5 4 3 2 1 0

BASE + 7 * CAL IRQ F/F

F/H F/E

BASE + 6 *AD16/12

CNT0

ONE/FH

IRQEN

GATE

EXT

PACER

*: CAL is only supported for PCI-1716/1716L

The content of the status register of BASE+6 is the same as that of

the control register.

F/E FIFO Empty flag

This bit indicates whether the FIFO is empty.

1 means that the FIFO is empty.

F/H FIFO Half-full flag

This bit indicates whether the FIFO is half-full.

1 means that the FIFO is half-full.

F/F FIFO Full flag

This bit indicates whether the FIFO is full.

1 means that the FIFO is full.

IRQ Interrupt flag

This bit indicates the interrupt status.

1 means that an interrupt has occurred.

1 2 ... 126 127 128 129 130 131 132 133 134 135 136 ... 163 164

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Advantech PCI-1710HG Dokumentacja Strona 131