3.16.30. Extended External Input Selection Register, ETMEXTINSELR

The ETMEXTINSELR characteristics are:

Purpose

Selects the extended external inputs. See Extended external inputs.

Usage constraints

There are no usage constraints.

Configurations

Available in all PTM implementations.

The number of extended external input selectors:

  • is implementation defined

  • is specified by ETMCCER bits [2:0]

  • can be zero.

See Configuration Code Extension Register, ETMCCER:

If the PTM implements fewer than four extended external input selectors then the unused extended external input selector fields in the ETMEXTINSELR are RAZ/WI.

If the PTM does not implement any extended external input selectors then the ETMEXTINSELR is RAZ/WI.

Attributes

See the register summary in Table 3.16.

Figure 3.37 shows the ETMEXTINSELR bit assignments.

Figure 3.37. ETMEXTINSELR bit assignments

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Table 3.46 shows the ETMEXTINSELR bit assignments.

Table 3.46. ETMEXTINSELR bit assignments

BitsDescription
[31:24]Extended external input selector 4.
[23:16]Extended external input selector 3.
[15:8]Extended external input selector 2.
[7:0]Extended external input selector 1.

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