Control Registers and Control Packets
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SPNU563A–March 2018
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Direct Memory Access Controller (DMA) Module
20.3.1.64 DMA Memory Protection Control Register 1 (DMAMPCTRL1)
Figure 20-81. DMA Memory Protection Control Register 1 (DMAMPCTRL1) [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-0 R/WP-0
LEGEND: R/W = Read/Write; R = Read only; WP = Write in privilege mode only; -n = value after reset
Table 20-71. DMA Memory Protection Control Register 1 (DMAMPCTRL1) 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).