Datasheet

RL78/L12 CHAPTER 3 CPU ARCHITECTURE
R01UH0330EJ0200 Rev.2.00 61
Dec 13, 2013
• Processor mode control register (PMC)
This register sets the flash memory space for mirroring to area from F0000H to FFFFFH.
The PMC register can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to 00H.
Figure 3-4. Format of Configuration of Processor Mode Control Register (PMC)
Address: FFFFEH After reset: 00H R/W
Symbol 7 6 5 4 3 2 1 <0>
PMC 0 0 0 0 0 0 0 MAA
MAA Selection of flash memory space for mirroring to area from F0000H to FFFFFH
0 00000H to 0FFFFH is mirrored to F0000H to FFFFFH
1 Setting prohibited
Cautions 1. Be sure to clear bit 0 (MAA) of this register to 0 (default value).
2. After setting the PMC register, wait for at least one instruction and access the
mirror area.