3.7.13. Device Configuration register

The DEVID register characteristics are:

Purpose

Indicates the capabilities of the component.

Usage constraints

There are no usage constraints.

Configurations

This register is available in all configurations.

Attributes

See the register summary in Table 3.33.

Figure 3.41 shows the bit assignments.

Figure 3.41. DEVID register bit assignments

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Table 3.46 shows the bit assignments.

Table 3.46. DEVID register bit assignments

BitsNameFunction
[31:8]Reserved

-

[7:4]SCHEME

Indicates the priority scheme implemented in this component.

0b0011

Program the slave ports to have higher or lower priority with respect to each other.

[3:0]PORTCOUNT

Indicates the number of input ports connected. 0x0 and 0x1 are illegal values.

0b0010

Two ATB slave ports.

0b0011

Three ATB slave ports.

0b0100

Four ATB slave ports.

0b0101

Five ATB slave ports.

0b0110

Six ATB slave ports.

0b0111

Seven ATB slave ports.

0b1000

Eight ATB slave ports.


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