Control Registers and Control Packets
602
SPNU503C – March 2018
Copyright © 2018, Texas Instruments Incorporated
Direct Memory Access Controller (DMA) Module
16.3.1.54 DMA Memory Protection Control Register (DMAMPCTRL)
Figure 16-70. DMA Memory Protection Control Register (DMAMPCTRL) [offset = 1B0h]
31
29
28
27
26
25
24
Reserved
INT3AB
INT3ENA
REG3AP
REG3ENA
R-0
R/WP-0
R/WP-0
R/WP-0
R/WP-0
23
21
20
19
18
17
16
Reserved
INT2AB
INT2ENA
REG2AP
REG2ENA
R-0
R/WP-0
R/WP-0
R/WP-0
R/WP-0
15
13
12
11
10
9
8
Reserved
INT1AB
INT1ENA
REG1AP
REG1ENA
R-0
R/WP-0
R/WP-0
R/WP-0
R/WP-0
7
5
4
3
2
1
0
Reserved
INT0AB
INT0ENA
REG0AP
REG0ENA
R-0
R/WP-0
R/WP-0
R/WP-00
R/WP-0
LEGEND: R/W = Read/Write; R = Read only; WP = Write in privilege mode only; -
n
= value after reset
Table 16-62. DMA Memory Protection Control Register (DMAMPCTRL) Field Descriptions
Bit
Field
Value
Description
31-29
Reserved
0
Reads return 0. Writes have no effect.
28
INT3AB
Interrupt assignment of region 3 to Group A or Group B.
0
The interrupt is routed to the VIM (Group A).
1
The interrupt is routed to the second CPU (Group B).
27
INT3ENA
Interrupt enable of region 3.
0
The interrupt is disabled.
1
The interrupt is enabled.
26-25
REG3AP
Region 3 access permission. These bits determine the access permission for region 3.
0
All accesses are allowed.
1h
Read only accesses are allowed.
2h
Write only accesses are allowed.
3h
No accesses are allowed.
24
REG3ENA
Region 3 enable.
0
The region is disabled (no address checking done).
1
The region is enabled (address and access permission checking done).
23-21
Reserved
0
Reads return 0. Writes have no effect.
20
INT2AB
Interrupt assignment of region 2 to Group A or Group B.
0
The interrupt is routed to the VIM (Group A).
1
The interrupt is routed to the second CPU (Group B).
19
INT2ENA
Interrupt enable of region 2.
0
The interrupt is disabled.
1
The interrupt is enabled.
18-17
REG2AP
Region 2 access permission. These bits determine the access permission for region 2.
0
All accesses are allowed.
1h
Read only accesses are allowed.
2h
Write only accesses are allowed.
3h
No accesses are allowed.
16
REG2ENA
Region 2 enable.
0
The region is disabled (no address checking done).
1
The region is enabled (address and access permission checking done).