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| Home > Functional Description > APB-AP > Debug APB ROM Address, ROM, 0xF8 | |||
A ROM table must be present in all CoreSight systems. See ROM table programmer’s model for more information. Figure 2.15 shows the bit assignments.
Table 2.18 shows the bit assignments.
Table 2.18. Debug APB ROM Address Register bit assignments
| Bits | Type | Name | Function |
|---|---|---|---|
| [31:12] | RO | ROM Address [31:12] | Base address of the ROM table. The ROM provides
a look-up table of all CoreSight Debug APB components. Read only.
Set to 0xFFFFF if no ROM is present. In the initial
CoreSight release this must be set to 0x80000. |
| [11:0] | RO | ROM Address [11:0] | Set to 0x000 if ROM is present.
Set to 0xFFF if ROM table is not present. In the
initial CoreSight release this must be set to 0x000. |