9.3.5. Master Filtering Start Address Register

The Master Filtering Start Address Register characteristics are:

Purpose

Provides the start address for use with master port 1 in a two-master port configuration.

Usage constraints

This register is read-only.

Configurations

Available in all two-master port configurations. When only one master port is present these registers are not implemented. Writes have no effect and reads return a value 0x0 for all filtering registers.

Attributes

See the register summary in Table 9.2.

Figure 9.6 shows the Filtering Start Address Register bit assignments.

Figure 9.6. Master Filtering Start Address Register bit assignments

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Table 9.7 shows the Filtering Start Address Register bit assignments.

Table 9.7. Master Filtering Start Address Register bit assignments

Bits Name Description
[31:20]Filtering start address

Start address for use with master port 1 in a two-master port configuration when address filtering is enabled.

This value is the value of MFILTERSTART sampled on exit from reset. The value on the input gives the upper address bits with 1MB granularity.

[19:0]ReservedSBZ

See AXI master port 1.

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