ARM R4 Manuale Utente
Processor Signal Descriptions
ARM DDI 0363E
Copyright © 2009 ARM Limited. All rights reserved.
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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