Debug Register Access Locking Register (DBG_LOCK) - 3.2 English

MicroBlaze Debug Module LogiCORE IP Product Guide (PG115)
Document ID
PG115
Release Date
2021-01-21
Version
3.2 English

The lock register is used to unlock access to the AXI Debug register access registers DBG_CTRL and DBG_DATA by writing the magic value 0xEBAB. Writing any other value locks access. This is a write only register. Bit assignment in the register is shown in the following table. The register is only implemented if C_DBG_REG_ACCESS is set to 1.

Table 1. Debug Register Access Locking Register (DBG_LOCK)
Reserved DBG_LOCK
31 16 15 0

For details on how to use the Debug Register Access, see Debug Register Access Sequence.