D3.12 EDPIDR4, External Debug Peripheral Identification Register 4
The EDPIDR4 provides information to identify an external debug component.
Bit field descriptions
The EDPIDR4 is a 32-bit register.
D3-11 EDPIDR4 bit assignments
- RES0, [31:8]
- SIZE, [7:4]
|Size of the component. Log2 the
number of 4KB pages from the start of the component to the end of the component ID
- DES_2, [3:0]
|Arm Limited This is the least significant nibble JEP106
Bit fields and details not provided in this description are
architecturally defined. See the
Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.
The EDPIDR4 can be accessed through the external debug interface, offset