INTERNAL MEMORY
6.6 Virtual Flash Emulation Function
6
6.6.2 Entering Virtual Flash Emulation Mode
To enter virtual flash emulation mode, set the Flash Control Register 1 (FCNT1) FEMMOD bit by writing "1".
After entering virtual flash emulation mode, set the Virtual Flash S Bank Register MODENS bit to "1" to enable
the Virtual Flash Emulation Function.
Even during virtual flash emulation mode, the internal RAM area (H’0080 8000 through H’0080 FFFF) can be
accessed the same way as in usual internal RAM.
Settings start
Write flash data to RAM
Enter virtual flash emulation mode
FEMMOD ← 1
Set RAM location address in
Virtual Flash S Bank Register
SBANKADn ← Address A12–A19
Enable virtual flash emulation
MODENS
←
1
Settings completed
Figure 6.6.4 Virtual Flash Emulation Mode Sequence
32180 Group User’s Manual (Rev.1.0)
6-33
RENESAS [ RENESAS TECHNOLOGY CORP ]
