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Processor Signal Descriptions
ARM DDI 0363E Copyright © 2009 ARM Limited. All rights reserved. A-19
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A.9 ETM interface signals
Table A-14 shows the ETM interface signals.
Table A-14 ETM interface signals
Signal Direction Clocking Description
ETMICTL[13:0] Output CLKIN ETM instruction control bus
ETMIA[31:1] Output CLKIN ETM instruction address
ETMDCTL[11:0] Output CLKIN ETM data control bus
ETMDA[31:0] Output CLKIN ETM data address
ETMDD[63:0] Output CLKIN ETM data-data
ETMCID[31:0] Output CLKIN Current value of processor CID register
ETMWFIPENDING Output CLKIN Core is attempting to enter WFI state
EVNTBUS[46:0] Output CLKIN Performance monitor unit output
ETMPWRUP Input CLKIN Power up ETM interface
nETMWFIREADY Input CLKIN ETM FIFO is empty, core can enter WFI state
ETMEXTOUT[1:0] Input CLKIN ETM detected events