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Integration Test Registers
ARM DDI 0363E Copyright © 2009 ARM Limited. All rights reserved. 13-10
ID013010 Non-Confidential, Unrestricted Access
Table 13-7 shows the fields of the ITCTRL Register.
Writing to the ITCTRL register controls whether the processor is in its default functional mode,
or in integration mode, where the inputs and outputs of the device can be directly controlled for
the purpose of integration testing or topology detection. For more information see the ARM
Architecture Reference Manual.
Table 13-7 ITCTRL Register bit assignments
Bits Access Reset value Name Function
[31:1] RAZ/SBZP - - Reserved.
[0] R/W 0 INTMODE Controls whether the processor is in normal operating mode or
integration mode:
b0 = normal operation
b1 = integration mode enabled.