Interrupt Flag; Clear Interrupt- Write Base+22 - Advantech PCI-1714 User Manual

C.12.2 Interrupt Flag
These bits correspond to the same bit number of the interrupt control reg-
ister to indicate which interrupt occurred. Read 1 means interrupt
occurred.
INTF0
INTF1
INTF2
INTF3
INTF4
INTF5
INTF6
INTF7
INTF8
INTF
C.13 Clear Interrupt- Write BASE+22
Table C.15: Register for Clear Interrupt
Base PCI-1714 Register Format
Address
+ HEX
15
22h W Clear Interrupt
Clear Interrupt
Write any value to this address will clear interrupt. It will clear all flags to
0 if there is no any interrupt in coming.
FIFO 0 Half Full interrupt flag
FIFO 0 Almost Full interrupt flag
FIFO 1 Half Full interrupt flag
FIFO 1 Almost Full interrupt flag
FIFO 2 Half Full interrupt flag
FIFO 2 Almost Full interrupt flag
FIFO 3 Half Full interrupt flag
FIFO 3 Almost Full interrupt flag
DMA counter Terminal Count interrupt flag
Total Interrupt flag
14 13 12 11 10 9 8 7
67
6 5 4 3 2 1 0
Appendix C