Rainbow Electronics W90N740 - Manual (Page 34)

W90N740
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Arbitration Control Register (ARBCON)
Register Address R/W Description Reset Value
ARBCON 0xFFF0.0004 R/W Arbitration Control Register 0x0000.0000
31 30 29 28 27 26 25 24
RESERVED
23 22 21 20 19 18 17 16
RESERVED
15 14 13 12 11 10 9 8
RESERVED
7 6 5 4 3 2 1 0
RESERVED IPACT IPEN PRTMOD
IPACT [2] ： Interrupt priority active
When IPEN=”1”, this bit is set when the ARM core has an unmasked interrupt request.
This bit is available only when the PRTMOD = 0.
IPEN [1] ： Interrupt priority enable bit
0 = the ARM core has the lowest priority.
1 = enable to raise the ARM core priority to second
This bit is available only when the PRTMOD = 0.
PRTMOD [0] ： Priority mode select
0 = Fixed Priority Mode (default)
1 = Rotate Priority Mode