Rainbow Electronics W90N740 User 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