3.5.4. Peripheral ID1 Register

The PIDR1 characteristics are:

Purpose

Part of the set of peripheral identification registers. Contains part of the designer-specific part number and part of the designer identity.

Usage constraints

There are no usage constraints.

Configurations

This register is available in all configurations.

Attributes

See the register summary in Table 3.22.

Figure 3.22 shows the bit assignments.

Figure 3.22. PIDR1 bit assignments

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Table 3.26 shows the bit assignments.

Table 3.26. PIDR1 bit assignments

BitsNameFunction
[31:8]Reserved

-

[7:4]DES_0

Together, PIDR1.DES_0, PIDR2.DES_1, and PIDR4.DES_2 identify the designer of the component.

Either the targetid[4:1] from the DAP or a sub-system identifier.

[3:0]PART_1

Bits[11:8] of the 12-bit part number of the component. The designer of the component assigns this part number.

Either the targetid[27:24] from the DAP or a sub-system identifier.


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