Interrupt Controller Registers
6.5.1.7
INTC_PROTECTION Register (offset = 4Ch) [reset = 0h]
INTC_PROTECTION is shown in
and described in
.
This register controls protection of the other registers. This register can only be accessed in priviledged
mode, regardless of the curent value of the protection bit.
Figure 6-10. INTC_PROTECTION Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
Protection
R-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 6-10. INTC_PROTECTION Register Field Descriptions
Bit
Field
Type
Reset
Description
31-1
Reserved
R
0h
Write 0's for future compatibility.
Reads returns 0
0
Protection
R/W
0h
Protection mode
0x0 = ProtMDis : Protection mode disabled (default)
0x1 = ProtMEnb : Protection mode enabled. When enabled, only
priviledged mode can access registers.
212
Interrupts
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated