Processor Signal Descriptions

A.9 ETM interface signals

Table A-14shows 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

 

 

 

 

ARM DDI 0363E

Copyright © 2009 ARM Limited. All rights reserved.

A-19

ID013010

Non-Confidential, Unrestricted Access

 

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Image 432
ARM R4F, r1p3 manual Table A-14shows the ETM interface signals, Table A-14 ETM interface signals