Information
MCM_PLAMC field descriptions
Field Description
15–8
Reserved
This read-only field is reserved and always has the value zero.
7–0
AMC
Each bit in the AMC field indicates whether there is a corresponding connection to the AXBS master input
port.
0 A bus master connection to AXBS input port n is absent
1 A bus master connection to AXBS input port n is present
17.2.3 Crossbar Switch (AXBS) Control Register (MCM_PLACR)
The PLACR register selects the arbitration policy for the crossbar masters.
Address: MCM_PLACR is E008_0000h base + Ch offset = E008_000Ch
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
ARB
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
MCM_PLACR field descriptions
Field Description
31–10
Reserved
This read-only field is reserved and always has the value zero.
9
ARB
Arbitration select
0 Fixed-priority arbitration for the crossbar masters
1 Round-robin arbitration for the crossbar masters
8–0
Reserved
This read-only field is reserved and always has the value zero.
Chapter 17 Miscellaneous Control Module (MCM)
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 313
