Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet

Product codes

AT91SAM9N12-EK

Signal Descriptions

A-12

ARM DDI0198D

A.7

ETM interface signals

Table A-6 describes the ARM926EJ-S processor ETM interface signals.

Table A-6 ETM interface signals

Name

Direction

Description

ETMBIGEND

Output

ETM big-endian configuration indication.

ETMCHSD[1:0]

Output

ETM coprocessor handshake decode signals.

ETMCHSE[1:0]

Output

ETM coprocessor handshake execute signals.

ETMDA[31:0]

Output

ETM data address.

ETMDABORT

Output

ETM data abort.

ETMDBGACK

Output

ETM debug mode indication.

ETMDMAS[1:0]

Output

ETM data size indication.

ETMDMORE

Output

ETM more sequential data indication.

ETMDnMREQ

Output

ETM data memory request.

ETMDnRW

Output

ETM data not read/write.

ETMDSEQ

Output

ETM sequential data indication.

ETMEN

Input

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

ETMHIVECS

Output

ETM exception vectors configuration.

ETMIA[31:0]

Output

ETM instruction address.

ETMIABORT

Output

ETM instruction abort.

ETMID15TO11[15:11]

Output

ETM instruction data field bits [15:11].

ETMID31TO25[31:25]

Output

ETM instruction data field bits [31:25].

ETMIJBIT

Output

ETM Jazelle state indication.

ETMInMREQ

Output

ETM instruction memory request.

ETMINSTREXEC

Output

ETM instruction execute indication.

ETMINSTRVALID

Output

ETM instruction valid indication.

ETMISEQ

Output

ETM sequential instruction access.