Advantech PCM-3718H handleiding
Handleiding
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39 Chapter 4
4.9 Control Register - BASE+9
Read/write register BASE+9 provides information on the PCM-3718’s
operating modes.
INTE Disable/enable PCM-3718 card’s interrupt generation
0 Disables the generation of interrupts. No interrupt signal
will be sent to the PC bus.
1 Enables the generation of interrupts.
If DMAE = 0, the PCM-3718 card will generate an inter-
rupt when it completes an A/D conversion. Use this set-
ting for interrupt-driven data transfer.
If DMAE = 1, the PCM-3718 card will generate an inter-
rupt when it receives a T/C (terminal count)
signal from the PC’s DMA controller, indicating that a
DMA transfer has been completed. Use this setting for
DMA data transfer. The DMA transfer is stopped by the
interrupt caused by the T/C signal. See DMAE below.
I2 to I0 Selects the interrupt level.
BASE+9 - Control
Bit D7 D6 D5 D4 D3 D2 D1 D0
Value INTE I2 I1 I0 X DMAE ST1 ST0
Interrupt level INL2 INL1 INL0
N/A 0 0 0
N/A 0 0 1
IRQ2 0 1 0
IRQ3 0 1 1
IRQ4 1 0 0
IRQ5 1 0 1
IRQ6 1 1 0
IRQ7 1 1 1
Note Make sure that the IRQ level you choose is not
being used by another I/O device.
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Productinformatie
Merk | Advantech |
Model | PCM-3718H |
Categorie | Niet gecategoriseerd |
Taal | Nederlands |
Grootte | 5483 MB |