UPD784938 Datasheet, PDF (71/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

Figure 3-3. µPD784937 Memory Map
When location 0 instruction is executed
FFFFFH
External memory
(832 Kbytes)
30000H
2FFFFH
10000H
0FFFFH
0FFDFH
0FFD0H
0FF00H
0FEFFH
Internal ROM
(131,072 bytes)
Special function registers (SFRs)
Note 1
(256 bytes)
0DF00H
0DEFFH
Internal RAM
(8,192 bytes)
Note 4
Internal ROM
(57,088 bytes)
00000H
0FEFFH
0FE80H
0FE7FH
General-purpose
registers
(128 bytes)
FFEFFH
FFE80H
FFE7FH
When location 0FH instruction is executed
FFFFFH
FFFDFH
FFFD0H
FFF00H
FFEFFH
Special function registers (SFR)
Note 1
(256 bytes)
FDF00H
FDEFFH
Internal RAM
(8,192 bytes)
0 F E 3 9 H _{Macro service control}
0 F E 0 6 H ^{word area (42 bytes)}
FFE2FH
FFE06H
0FD00H
0FCFFH
0DF00H
Data area (512 bytes)
Program/data area
(7,680 bytes)
FFD00H
FFCFFH
FDF00H
2FFFFH
10000H
0DEFFH
01000H
00FFFH
00800H
007FFH
00080H
0007FH
00040H
0003FH
00000H
Note 2
Program/data area^{Note 3}
CALLF entry area
(2 Kbytes)
CALLT table area
(64 bytes)
Vector table area
(64 bytes)
2FFFFH
External memory^{Note 1}
(843,520 bytes)
30000H
2FFFFH
Internal ROM
Note 4
(192 Kbytes)
00000H
Notes 1. Accessed in external memory expansion mode.
2. The 8,488 bytes of this area can be used as internal ROM only when the LOCATION 0FH instruction is executed.
3. 188,160 bytes when the LOCATION 0 instruction is executed, and 196,608 bytes when the LOCATION 0FH instruction is
executed.
4. Base area, reset or interrupt entry area, excluding internal RAM in the case of reset.