|Home > Debug registers > ETM registers > TRCPIDR4, ETM Peripheral Identification Register 4|
The TRCPIDR4 provides information to identify a trace component.
The TRCPIDR4 is a 32-bit register.
|Size of the component. Log2 the number of 4KB pages from the start of the component to the end of the component ID registers.|
|Arm Limited. This is bits[3:0] of the 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 TRCPIDR4 can be accessed through the external debug interface, offset