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3.4.39. OS Lock Access Register

The TRCOSLAR characteristics are:

Purpose

Sets and clears the OS Lock, to lock out external debugger accesses to the ETM-R7 registers.

Usage constraints

There are no usage constraints.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 3.1 and Table 3.8.

Figure 3.45 shows the TRCOSLAR bit assignments.

Figure 3.45. TRCOSLAR bit assignments

Figure 3.45. TRCOSLAR bit assignments

Table 3.56 shows the TRCOSLAR bit assignments.

Table 3.56. TRCOSLAR bit assignments
BitsNameFunction
[31:1]-RAZ/WI
[0]OSLK

OS Lock key value:

0

Unlock the OS Lock.

1

Lock the OS Lock.


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