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Struck Documentation
SIS8300-KU
MTCA.4 Digitizer
Page 71 of 92
7.5.47 IRQ Status
#define IRQ_STATUS
0x221
This register lists the latched interrupt bits for which an interrupt has been generated.
Bit
write
read
31
unused
0
...
0
16
unused
0
15
unused
User IRQ happened
14
unused
DAQ Done IRQ happened
13
unused
0
...
2
unused
0
1
unused
Write DMA Done IRQ happened
0
unused
Read DMA Done IRQ happened
7.5.48 IRQ Clear
#define IRQ_CLEAR
0x222
This register clears any handled interrupts and allows the logic to generate new interrupts.
Bit
write
read
31
unused
0
...
0
16
unused
0
15
User IRQ clear
0
14
DAQ Done IRQ clear
0
13
unused
0
...
2
unused
0
1
Write DMA Done IRQ clear
0
0
Read DMA Done IRQ clear
0
7.5.49 IRQ Refresh
#define IRQ_REFRESH
0x223
This register refreshes the interrupt logic. This might be needed in the case an interrupt
happens while the software interrupt service routine was still handling the previous interrupt.
Bit
write
read
any
Refresh IRQ logic
0