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CNTSR, Counter Status Register

The CNTSR characteristics are:

Purpose

Provides counter resolution status information.

Configuration

It is IMPLEMENTATION DEFINED whether CNTSR is implemented in the Core power domain or in the Debug power domain.

For more information, see 'Power and reset domains for the system level implementation of the Generic Timer'.

Attributes

CNTSR is a 32-bit register.

Field descriptions

Bits [31:18]

FCACK, bits [17:8]

Bits [7:2]

DBGH, bit [1]

Bit [0]

Accessing CNTSR

In a system that supports the Realm Management Extension, the CNTControlBase frame, which includes this register, is implemented only in the Root physical address space.

In a system that supports Secure and Non-secure physical address spaces, the CNTControlBase frame, which includes this register, is implemented only in the Secure physical address space.

CNTSR can be accessed through the memory-mapped interfaces:

Accesses to this register are RO.

2026-03-26 20:27:25, 2026-03_rel

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