3.3.12. QoS range Register

The qos_range Register characteristics are:

Purpose

Enables you to program the minimum and maximum values for the ARQOS and AWQOS signals that the latency regulators generate. See Latency regulation for more information.

Usage constraints

Do not set ar_min_qos to a value greater than ar_max_qos because this causes unpredictable behavior.

Configurations

Only available when you select latency regulation in AMBA Designer.

Attributes

Figure 3.12 shows the bit assignments.

Figure 3.12. qos_range Register bit assignments

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Table 3.14 shows the bit assignments.

Table 3.14. qos_range Register bit assignments

BitsNameFunction
[31:28]-Reserved. Do not modify. Read as zero.
[27:24]ar_max_qosMaximum ARQOS.
[23:20]-Reserved. Do not modify. Read as zero.
[19:16]ar_min_qosMinimum ARQOS.
[15:12]-Reserved. Do not modify. Read as zero.
[11:8]aw_max_qosMaximum AWQOS.
[7:4]-Reserved. Do not modify. Read as zero.
[3:0]aw_min_qosMinimum AWQOS.

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