Fujitsu MB91460 SERIES Note d'application - Page 9
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MB91461 Emulation
Chapter 2 Evaluation system with MB91V460
Figure 4: Enable external memory emulation
Enable external memory emulation for chip select 0 area as RAM type. This will force the
evaluation MCU to use the external SRAM on MB2198-300, which is connected to the
external bus, as memory for the debug session.
If you use the template project for project startup, the *.sup file calls two procedure files
when starting debug session. Before the code is loaded to external emulation RAM, the prc-
file 'Ext_Emu_RAM_before_load.prc' initializes the memory area for code download. After
the download, prc-file 'Ext_Emu_RAM_after_load.prc' is called which initializes the MCU for
run mode.
This type of emulation system has the advantage that you can debug directly on your target
system without the need of a connector socket for the DSU cable on the target system itself.
You only have to mount a socket instead of the MB91461R chip for connection of the header
board. Because of the usage of the external emulation memory you can use full 8MB size,
not caring about the amount of memory connected on your target system.
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