The value of NVMREGS is set to ‘1
’ to access these regions.
The memory regions listed above will be pointed to by PC[15] = 1
, but
not all addresses reference valid data. Different access may exist for reads and writes.
Refer to the table below. When read access is initiated on an address outside the
parameters listed in the following table, the NVMDATH: NVMDATL register pair is cleared, reading back ‘0
’s.
Address | Function | Read Access | Write Access |
---|---|---|---|
0x8000 - 0x8003 | User IDs | Yes | Yes |
0x8005 - 0x8006 | Device ID/Revision ID | Yes | No |
0x8007 - 0x800B | Configuration Words 1-5 | Yes | Yes |
0x8100 - 0x82FF | DIA and DCI | Yes | No |