Renesas Emulator Debugger M16C PC4701, User Manual

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1 Features
1.2.3 Protect Break
This function causes the target program to stop upon detecting a data write to the ROM area or an
access to an unused area (read/write or instruction execution).
Protect Break is a function to detect a write of data to the ROM area and an access (read, write,
command execution) to an unused area and stop the target program.
1.2.3.1 Protect Attribute
You can specify the following attributes in byte.
• Access Disable
• Read Only
• R/W Enable
1.2.3.2 Access Protect Area
A protect area is a continuous 256-KB area starting from the 64KB boundary. Its start address is
called protect base address.
The protect base address immediately after starting the emulator is set to 0h.
The entire protect area is set to "R/W Enable" by default at start of the emulator.
1.2.3.3 Set Method of Protect Break
The two types of designation methods are provided:
• To fetch the memory attribute from the target program section information
• To specify the memory attribute of any area
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