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3.3.17. Data Buffer Address High Register

The DBAHI Register characteristics are:

Purpose

This register, together with the DBALO Register, enables the TMC to locate the trace buffer in system memory. This register contains the eight MSBs of the 40-bit address that is used to locate the trace buffer. For additional information, see Data Buffer Address Low Register.

Configurations

Present in ETR configuration only.

Figure 3.17 shows the DBAHI Register bit assignments.

Figure 3.17. DBAHI Register bit assignments

Figure 3.17. DBAHI Register bit assignments

Table 3.18 shows the DBAHI Register bit assignments.

Table 3.18. DBAHI Register bit assignments
BitsNameFunction
[31:8]Reserved

Reserved

[7:0]BUFADDRHI

Holds the upper eight bits of the 40-bit address used to locate the trace buffer in system memory


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