A
Class 0 empty?
Yes
No
Class 1 empty
and
class 2 not empty
?
Class 2 empty
and
class 1 not empty
?
Class 1 not empty
and
class 2 not empty
?
No
No
No
Class 0
C0 Win
Class 2
C2 Win
Yes
Class 1
C1 Win
Yes
Yes
Class 1
C1 Win
C0 - C1 -C2
Class 2
C2 Win
C0 - C2 -C1
SMS_INTERCLASS_ARBITER[7:0] CLASS1PRIO field:
defines the number M of transactions dedicated to class 1.
SMS_INTERCLASS_ARBITER[23:16] CLASS2PRIO field:
defines the number N of transactions dedicated to class 2.
A: The arbitration decision
PWM
Arbitration
sdrc-029
Public Version
www.ti.com
SDRAM Controller (SDRC) Subsystem
Figure 10-72. Arbitration Between Classes
2291
SWPU177N – December 2009 – Revised November 2010
Memory Subsystem
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