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Authentication Status Register

The TRCAUTHSTATUS characteristics are:

Purpose

Indicates the current level of tracing permitted by the system.

Usage constraints

There are no usage constraints.

Configurations

Available in all configurations.

Attributes

See the register summary in Table 13.3

Figure 13.61 shows the TRCAUTHSTATUS bit assignments.

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Table 13.63 shows the TRCAUTHSTATUS bit assignments.

Table 13.63. TRCAUTHSTATUS bit assignments
Bits Name Function
[31:8] - Reserved, res0.
[7:6] SNID

Secure Non-invasive Debug:

0b10

Secure Non-invasive Debug implemented but disabled.

0b11

Secure Non-invasive Debug implemented and enabled.

[5:4] SID

Secure Invasive Debug:

0b00

Secure Invasive Debug is not implemented.

[3:2] NSNID

Non-secure Non-invasive Debug:

0b10

Non-secure Non-invasive Debug implemented but disabled, NIDEN=0.

0b11

Non-secure Non-invasive Debug implemented and enabled, NIDEN=1.

[1:0] NSID

Non-secure Invasive Debug:

0b00

Non-secure Invasive Debug is not implemented.


The TRCAUTHSTATUS can be accessed through the internal memory-mapped interface and the external debug interface, offset 0xFB8.

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