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QB-V850ESFJ3 Preliminary User's Manual
6.1 Memory Emulation Function
This section explains the functional outline of the memory emulation function and differences in specifications
that occur after the addition of this function.
6.1.1 Functional outline
Using the memory emulation function, the QB-V850ESFJ3 can be substituted for the external memory on the
target system, so that programs and data can be allocated to the QB-V850ESFJ3.
This function was designed for use in cases such as the following.
• Development of the target system is delayed, so program development for external spaces cannot be started.
Through memory substitution, program development can be started in advance.
• Writing to the flash memory on the target system takes too much time and thus development is inefficient.
Through memory substitution, the program development efficiency can be improved.
Refer to the user's manual for the debugger for details on use of the memory emulation function.
When using the memory emulation function, do not map the area used for memory emulation to the space where
the data flash area is allocated.
6.1.2 Differences from hardware specifications
After addition of the memory emulation function, differences from the hardware specifications described in this
manual are as follows.
• External dimensions
The height increases by 9 mm.
Note
When the rear spacer is adjusted to the lowest height (107 mm max.)
• Weight
The weight increases by approximately 70 g.
68 mm
ZUD-CD-05-0149
Note
77 mm
46/57
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