Table D-2: Dma Channel Assignments; Table D-3: Interrupt Assignments - Advantech PCA-6751 series Manual

D.2 DMA Channel Assignments

Table D-2: DMA channel assignments

Channel
0
1
2
3
4
5
6
7
* Audio DMA select 0, 1 or 3
D.3 Interrupt Assignments

Table D-3: Interrupt assignments

Interrupt#
IRQ 0
IRQ 1
IRQ 2
IRQ 8
IRQ 9
IRQ 10
IRQ 11
IRQ 12
IRQ 13
IRQ 14
IRQ 15
IRQ 3
IRQ 4
IRQ 5
IRQ 6
IRQ 7
* PNP audio IRQ select: 5, 7, 9 or 10
* Ethernet function is auto-sensing
Function
Available
Available
Floppy disk (8-bit transfer)
Available
Cascade for DMA controller 1
Available
Available
Available
Interrupt source
Interval timer
Keyboard
Interrupt from controller 2 (cascade)
Real-time clock
Cascaded to INT 0A (IRQ 2)
Available
Watchdog Timer
PS/2 mouse (non-releasable)
INT from co-processor
Fixed disk controller (Primary)
Fixed disk controller (Secondary)
Serial communication port 2
Serial communication port 1
Parallel port 2
Diskette controller (FDC)
Parallel port 1 (print port)
Appendix D System Assignments 85