D10.36 TRCIDR9, ID Register 9

The TRCIDR9 returns the number of P0 right-hand keys that the trace unit can use.

Bit field descriptions

The TRCIDR9 is a 32-bit register.

Figure D10-33 TRCIDR9 bit assignments
To view this graphic, your browser must support the SVG format. Either install a browser with native support, or install an appropriate plugin such as Adobe SVG Viewer.


NUMP0KEY, [31:0]

The number of P0 right-hand keys that the trace unit can use.

0Number of P0 right-hand keys.

Bit fields and details not provided in this description are architecturally defined. See the Arm® Embedded Trace Macrocell Architecture Specification ETMv4.

The TRCIDR9 can be accessed through the external debug interface, offset 0x184.

Non-ConfidentialPDF file icon PDF version100798_0400_00_en
Copyright © 2016–2019 Arm Limited or its affiliates. All rights reserved.