Renesas SH-4A User Manual page 77

Microcomputer development environment system
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(6) Monitoring function
The emulator monitors a value in the area that has been accessed without suspending the execution
of program and displays it on the window. The virtual address that has been accessed by the CPU
can be only monitored.
(7) Emulation memory function
The emulator allocates the memory for emulation in the CS0 area.
(8) Other memory operation functions
Other functions are as follows:
• Memory fill
• Memory copy
• Memory save
• Memory verify
• Memory search
• Internal I/O display
• Cache table display and edit (only for devices incorporating caches)
• TLB table display or edit (only for devices incorporating MMU)
• Displaying label and variable names and their contents
For details, refer to the online help.
Notes: 1. Memory access during user program execution:
When a memory is accessed from the memory window, etc. during execution of the
user program, execution stops for the memory access and is then resumed. Therefore,
realtime emulation cannot be performed. The stopping time of the user program
depends on the performance of the host machine in use or the JTAG clock; that time
under the following environment is shown below:
Environment:
Host machine: 800 MHz (Pentium
SH7323: 96 MHz (CPU clock)
JTAG clock: 30 MHz
When a one-byte memory is read in the command-line window, the stopping time will
be about 96 ms.
2.
Memory access during user program break:
The program can also be downloaded for the flash memory area by the emulator.
Other memory write operations are enabled for the RAM area. Therefore, an
operation such as memory write or BREAKPOINT should be set only for the RAM
®
III)
53

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