3.9.13. Peripheral ID4 Register

The PIDR4 characteristics are:

Purpose

Part of the set of peripheral identification registers. Contains part of the designer identity and the memory size.

Usage constraints

There are no usage constraints.

Configurations

This register is available in all configurations.

Attributes

See the register summary in Table 3.57.

Figure 3.64 shows the bit assignments.

Figure 3.64. PIDR4 bit assignments

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Table 3.70 shows the bit assignments.

Table 3.70. PIDR4 bit assignments

BitsNameFunction
[31:8]Reserved

-

[7:4]SIZE

Always 0b0000. Indicates that the device only occupies 4KB of memory.

[3:0]DES_2

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

0b0100

JEDEC continuation code.


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