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.
Figure D3-14 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 registers.
- DES_2, [3:0]
Arm Limited This is the least significant nibble JEP106 continuation code.
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