Renesas rl78 User Manual

Page of 1004
 
RL78/G1A 
 
CHAPTER  3   CPU  ARCHITECTURE 
R01UH0305EJ0200  Rev.2.00 
 
 
58  
Jul 04, 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 3-5. Format 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
 
 
00000H to 0FFFFH is mirrored to F0000H to FFFFFH 
 1 
Setting is 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.