Renesas Single-Chip Microcomputer M37531T-ADS User Manual download pdf (Page 45)

M38000T2-CPE User’s Manual 3. Usage (How to Use the Emulator Debugger)

REJ10J0301-0400 Rev.4.00 March 01, 2006

Page 45 of 78

3. Example of the trace window display

Bus display (BUS)

Explanation of the trace window (bus

display)

The following explains the displayed contents, from left to

right.

- Address

Shows the status of the address bus.

- Data

Shows the status of the data bus.

- SYNC

Output during instruction opcode fetch, this signal

assumes the value 1 when opcode is fetched. If the

displayed Sync value is enclosed in parentheses as in (1),

it means a dummy Sync, in which case the instruction in

that line actually is not executed. If not accessed, the

value is displayed as “-“.

- Read

Indicates the data bus state. This signal determines the

direction of the data bus. When in a Read state, it

indicates the value 0.

- Write

Indicates the data bus state. This signal determines the

direction of the data bus. When in a Write state, it

indicates the value 0.

Disassemble display (DIS)

Source display (SRC)

Data access display (DATA)

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 77 78

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Renesas Single-Chip Microcomputer M37531T-ADS User Manual Page 45