3.11.8. ETB RAM Write Data register

The RWD register characteristics are:


Provides data that writes to ETB Trace RAM.

Usage constraints

There are no usage constraints.


This register is available in all configurations.


See the register summary in Table 3.79.

Figure 3.80 shows the bit assignments.

Figure 3.80. RWD register bit assignments

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Table 3.87 shows the bit assignments.

Table 3.87. RWD register bit assignments


When CTL.TraceCaptEn is 0:

  • Writes to this register write the data to the ETB trace RAM. The RAM Write Pointer Register value is incremented.

  • Reads of this register return an UNKNOWN value.

When CTL.TraceCaptEn is 1:

  • Writes to this register are ignored. The data is not written to the ETB trace RAM and the RAM Write Pointer is not affected.

  • Reads of this register return an UNKNOWN value.

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