NEC 78K0 Series User Manual page 52

F F F F H
Special function registers
F F 0 0 H
F E F F H
F E E 0 H
F E D F H
F B 0 0 H
F A F F H
Data memory
space
F 8 0 0 H
F 7 F F H
Program RAM area
RAM spcae in
which instruction
can be fetched
F 0 0 0 H
E F F F H
Program
memory space
0 0 0 0 H
Notes 1. When boot swap is not used: Set the option bytes to 0080H to 0084H.
When boot swap is used:
2. Writing boot cluster 0 can be prohibited depending on the setting of security (see 26.8 Security
Setting).
52
CHAPTER 3 CPU ARCHITECTURE
Figure 3-5. Memory Map (
(SFR)
256 x 8 bits
General-purpose
registers
32 x 8 bits
Internal high-speed RAM
1024 x 8 bits
Reserved
Internal expansion RAM
2048 x 8 bits
Flash memory
61440 x 8 bits
Set the option bytes to 0080H to 0084H and 1080H to 1084H.
Preliminary User's Manual U17260EJ3V1UD
µ
PD78F0535)
E F F F H
Program area
1 0 8 5 H
Note1
1 0 8 4 H Option byte area
1 0 8 0 H
5 x 8 bits
1 0 7 F H
Program area
1 0 0 0 H
0 F F F H
CALLF entry area
2048 x 8 bits
0 8 0 0 H
0 7 F F H
Program area
1915 x 8 bits
0 0 8 5 H
0 0 8 4 H
Option byte area
5 x 8 bits
0 0 8 0 H
0 0 7 F H
CALLT table area
64 x 8 bits
0 0 4 0 H
0 0 3 F H
Vector table area
64 x 8 bits
0 0 0 0 H
1 F F F H
Boot cluster 1
Note2
Note1 Boot cluster 0