You copied the Doc URL to your clipboard.

13.8.40. OS Lock Access Register

The TRCOSLAR characteristics are:

Purpose

Sets and clears the OS Lock, to lock out external debugger accesses to the ETM trace unit registers.

Usage constraints

There are no usage constraints.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 13.3.

Figure 13.42 shows the TRCOSLAR bit assignments.

Figure 13.42. TRCOSLAR bit assignments

Figure 13.42. TRCOSLAR bit assignments

Table 13.43 shows the TRCOSLAR bit assignments.

Table 13.43. TRCOSLAR bit assignments
BitsNameFunction
[31:1]-TRCRSCTLRn
[0]OSLK

OS Lock key value:

0

Unlock the OS Lock.

1

Lock the OS Lock.


The TRCOSLAR can be accessed through the external debug interface, offset 0x300.

Was this page helpful? Yes No