B.8. ETM interface signals

Table B.7 describes the ARM946E-S ETM interface signals.

Table B.7. ETM interface signals

Name

Direction

Description

ETMEN

Input

Synchronous ETM interface enable. This signal must be tied LOW if an ETM is not used.

ETMBIGEND

Output

Big-endian configuration indication for the ETM.

ETMHIVECS

Output

Exception vectors configuration for the ETM.

ETMIA[31:1]

Output

Instruction address for the ETM.

ETMInMREQ

Output

Instruction memory request for the ETM.

ETMISEQ

Output

Sequential instruction access for the ETM.

ETMITBIT

Output

Thumb state indication for the ETM.

ETMIABORT

Output

Instruction Abort for the ETM.

ETMDA[31:0]

Output

Data address for the ETM.

ETMDMAS[1:0]

Output

Data size indication for the ETM.

ETMDMORE

Output

More sequential data indication for the ETM.

ETMDnMREQ

Output

Data memory request for the ETM.

ETMDnRW

Output

Data not read/write for the ETM.

ETMDSEQ

Output

Sequential data indication for the ETM.

ETMRDATA[31:0]

Output

Read data for the ETM.

ETMWDATA[31:0]

Output

Write data for the ETM.

ETMDABORT

Output

Data Abort for the ETM.

ETMnWAIT

Output

ARM9E-S stalled indication for the ETM.

ETMDBGACK

Output

Debug state indication for the ETM.

ETMINSTREXEC

Output

Instruction execute indication for the ETM.

ETMRNGOUT[1:0]

Output

Watchpoint register match indication for the ETM.

ETMID31TO25[31:25]

Output

Instruction data field for the ETM.

ETMID15TO11[15:11]

Output

Instruction data field for the ETM.

ETMCHSD[1:0]

Output

Coprocessor handshake decode signals for the ETM.

ETMCHSE[1:0]

Output

Coprocessor handshake execute signals for the ETM.

ETMPASS

Output

Coprocessor instruction execute indication for the ETM.

ETMLATECANCEL

Output

Coprocessor late cancel indication for the ETM.

ETMPROCID[31:0]

Output

Process identifier for the ETM.

ETMPROCIDWR

Output

ETMPROCID write strobe.

ETMINSTRVALID

Output

Instruction valid indication for the ETM.

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