Техническая Спецификация для Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK

Модели

AT91SAM9N12-EK

Signal Descriptions

ARM DDI0198D

A-13

ETMITBIT

Output

ETM Thumb state indication.

ETMLATECANCEL

Output

ETM coprocessor late cancel indication.

ETMnWAIT

Output

ETM clock stall signal.

ETMPASS

Output

ETM coprocessor instruction execute indication.

ETMPROCID[31:0]

Output

ETM process identifier.

ETMPROCIDWR

Output

ETMPROCID write strobe.

ETMRDATA[31:0]

Output

ETM read data.

ETMRNGOUT[1:0]

Output

ETM watchpoint register match indication.

ETMWDATA[31:0]

Output

ETM write data.

ETMZIFIRST

Output

Indicates the current Decode cycle is the first being
traced for the current Java instruction.

ETMZILAST

Output

Indicates the current Decode cycle is the last being
traced for the current Java instruction.

FIFOFULL

Input

ETM FIFO full. This signal must be tied LOW if an
ETM is not used.

Table A-6 ETM interface signals (continued)

Name

Direction

Description