UPD784938 Datasheet, PDF (70/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

Figure 3-2. µPD784936 Memory Map
When location 0 instruction is executed
FFFFF H
External memory^{Note 1}
(896 Kbytes)
20000 H
1FFFF H
Internal ROM
(65,536 bytes)
10000 H
0 F F F F H _{Special function registers (SFRs)}
0
0
F
F
FDF
FD0
H
H
Note 1
0FF00 H
(256 bytes)
0FEFF H
0E500 H
0E4FF H
Internal RAM
(6,656 bytes)
Internal ROM
(58,624 bytes)
Note 4
00000 H
0FEFF H
0FE80 H
0FE7F H
General-purpose
registers
(128 bytes)
FFEFF H
When location 0FH instruction is executed
F F F F F H _{Special function registers (SFRs)}
FFFDF H
FFFD0 H
Note 1
FFF00 H
(256 bytes)
FFEFF H
Internal RAM
(6,656 bytes)
FFE80 H
FFE7F H
FE500 H
FE4FF H
0 F E 3 9 H _{Macro service control}
word area (42 bytes)
0FE06 H
Data area (512 bytes)
0FD0 0 H
0FCFF H
Program/data area
(6,144 bytes)
0E500 H
FFE2F H
FFE06 H
FFD0 0 H
FFCFF H
FE500 H
External memory^{Note 1}
(910,720 bytes)
1FFFF H
10000 H
Note 2
0E4FF H
Program/data area ^{Note 3}
01000 H
00FFF H
CALLF entry area
0 0 8 0 0 H ^{(2 Kbytes)}
00 7FF H
1FFFF H
20000 H
1FFFF H
00080 H
0 0 0 7 F H _{CALLT table area}
0 0 0 4 0 H ^{(64 bytes)}
0003FH
Vector table area
0 0 0 0 0 H ^{(64 bytes)}
00000 H
Internal ROM ^{Note 4}
(128 Kbytes)
Notes 1. Accessed in external memory expansion mode.
2. The 6,912 bytes of this area can be used as internal ROM only when the LOCATION 0FH instruction is executed.
3. 124,160 bytes when the LOCATION 0 instruction is executed, and 131,072 bytes when the LOCATION 0FH instruction is
executed.
4. Base area, reset or interrupt entry area, excluding internal RAM in the case of reset.