The PERIPHID4 Register characteristics are:
Part of the set of Peripheral Identification registers. Contains part of the designer identity and the memory footprint indicator.
Present in all configurations.
Figure 3.39 shows the PERIPHID4 Register bit assignments.
Table 3.40 shows the PERIPHID4 Register bit assignments.
This is a 4-bit value that indicates the total contiguous size of the memory window used by this component in powers of two from the standard 4KB.
JEDEC continuation code indicating the designer of the component and the identity code.