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Home > Programmers model > css600_apbrom_gpr introduction > Register descriptions > Peripheral Identification Register 4, PIDR4 |
The PIDR4 register is part of the set of peripheral identification registers.
The PIDR4 register characteristics are:
Offset |
|
Type | Read-only |
Reset |
|
Width | 32 |
The following figure shows the bit assignments.
The following table shows the bit assignments.
Table 9-219 PIDR4 register bit assignments
Bits | Reset value | Name | Function |
---|---|---|---|
[31:8] | 0x0 |
RES0 | Reserved bit or field with Should-Be-Zero-or-Preserved (SBZP) behavior. |
[7:4] | 0b0000 |
SIZE | Indicates the memory size that is used by this component. Returns 0 indicating that the component uses an UNKNOWN number of 4KB blocks. Using the SIZE field to indicate the size of the component is deprecated. |
[3:0] | 0b0100 |
DES_2 | JEP106 continuation code. Together, with PIDR2.DES_1 and PIDR1.DES_0, they indicate the designer of the component and not the implementer, except where the two are the same. |