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Arm Cortex-A55 Core Technical Reference Manual : TRCITIATBINR, Integration Instruction ATB In Register

TRCITIATBINR, Integration Instruction ATB In Register

The TRCITIATBINR reads the state of the input pins described in this section.

Bit field descriptions

Figure D8-42 TRCITIATBINR bit assignments


For all non-reserved bits:

  • When an input pin is LOW, the corresponding register bit is 0.
  • When an input pin is HIGH, the corresponding register bit is 1.
  • The TRCITIATBINR bit values always correspond to the physical state of the input pins.
[31:2]
Reserved. Read undefined.
AFVALIDM, [1]
Returns the value of the AFVALIDMn input pin.
ATREADYM, [0]
Returns the value of the ATREADYMn input pin.

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 TRCITIATBINR can be accessed through the external debug interface, offset 0xEF4.

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