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3.3.11. Current Buffer Fill Level

The CBUFLEVEL Register characteristics are:

Purpose

When TraceCaptEn is HIGH, this register indicates the current fill level of the trace memory in 32-bit words. When TraceCaptEn is LOW, reading this register returns a value of 0x00000000. This register is not available if the TMC is programmed for scatter-gather operation in ETR configuration. In this case, reading this register returns a value of 0x00000000.

Configurations

Present in all configurations.

Figure 3.11 shows the CBUFLEVEL Register bit assignments.

Figure 3.11. CBUFLEVEL Register bit assignments

Figure 3.11. CBUFLEVEL Register bit assignments

Table 3.12 shows the CBUFLEVEL Register bit assignments.

Table 3.12. CBUFLEVEL Register bit assignments
BitsNameFunction
[31:0][a]CBUFLEVEL

Indicates the current fill level of the trace memory in 32-bit words

[a] The width of this register is dependent on the TMC configuration.


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