3.19.6. Peripheral ID4 Register, PIDR4

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.

Attributes

See the register summary in Table 3.246.

Figure 3.214 shows the bit assignments.

Figure 3.227. PIDR4 bit assignments

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Table 3.252 shows the bit assignments.

Table 3.252. 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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