Debug Register Access Locking Register (DBG_LOCK) - 3.2 English

MicroBlaze Debug Module LogiCORE IP Product Guide (PG115)

Document ID
Release Date
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.