NXP Semiconductors MPC5566 - Page 195

Peripheral Bridge (PBRIDGE A and PBRIDGE B)
MPC5566 Microcontroller Reference Manual, Rev. 2
5-6 Freescale Semiconductor
3
MPL0
Master privilege level. Determines how the privilege level of the CPU is determined. Accesses not forced to
user mode by default.
0 Accesses from the CPU are forced to user mode.
1 Accesses from the CPU are not forced to user mode.
4
MBW1
Master buffer writes. Determines whether the PBRIDGE is enabled to buffer writes from the Nexus. Writes not
able to be buffered by default.
0 Write accesses from the Nexus are not bufferable
1 Write accesses from the Nexus are allowed to be buffered
5
MTR1
Master trusted for reads. Determines whether the Nexus is trusted for read accesses. Trusted by default.
0 The Nexus is not trusted for read accesses.
1 The Nexus is trusted for read accesses.
6
MTW1
Master trusted for writes. Determines whether the master is trusted for write accesses. Trusted by default.
0 The Nexus is not trusted for write accesses.
1 The Nexus is trusted for write accesses.
7
MPL1
Master privilege level. Determines how the privilege level of the Nexus is determined. Accesses not forced to
user mode by default.
0 Accesses from the Nexus are forced to user mode.
1 Accesses from the Nexus are not forced to user mode.
8
MBW2
Master buffer writes. Determines whether the PBRIDGE is enabled to buffer writes from the eDMA. Writes not
able to be buffered by default.
0 Write accesses from the eDMA are not bufferable
1 Write accesses from the eDMA are allowed to be buffered
9
MTR2
Master trusted for reads. Determines whether the eDMA is trusted for read accesses. Trusted by default.
0 The eDMA is not trusted for read accesses.
1 The eDMA is trusted for read accesses.
10
MTW2
Master trusted for writes. Determines whether the master is trusted for write accesses. Trusted by default.
0 The eDMA is not trusted for write accesses.
1 The eDMA is trusted for write accesses.
11
MPL2
Master privilege level. Determines how the privilege level of the eDMA is determined. Accesses not forced to
user mode by default.
0 Accesses from the eDMA are forced to user mode.
1 Accesses from the eDMA are not forced to user mode.
12
MBW3
Master buffer writes. Determines whether the PBRIDGE is enabled to buffer writes from the EBI. Writes not
able to be buffered by default.
0 Write accesses from the EBI are not bufferable
1 Write accesses from the EBI are allowed to be buffered
13
MTR3
Master trusted for reads. Determines whether the EBI is trusted for read accesses. Trusted by default.
0 The EBI is not trusted for read accesses.
1 The EBI is trusted for read accesses.
14
MTW3
Master trusted for writes. Determines whether the master is trusted for write accesses. Trusted by default.
0 The EBI is not trusted for write accesses.
1 The EBI is trusted for write accesses.
15
MPL3
Master privilege level. Determines how the privilege level of the EBI is determined. Accesses not forced to
user mode by default.
0 Accesses from the EBI are forced to user mode.
1 Accesses from the EBI are not forced to user mode.
Table 5-4. PBRIDGE_x_MPCR Field Descriptions (continued)
Field Description