UPD789304 Datasheet, PDF (14/64 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD789304, 789306, 789314, 789316
4. MEMORY SPACE
Figure 4-1 shows the memory map of the µPD789304, 789306, 789314, and 789316.
Figure 4-1. Memory Map
FFFFH
Special function registers
(SFR)
256 × 8 bits
FF00H
FEFFH
Internal high-speed RAM
512 × 8 bits
Data memory
space
FD00H
FCFFH
FA18H
FA17H
FA00H
F9FFH
nnnnH+1
nnnnH
Reserved
LCD display RAM
24 × 4 bits
Reserved
nnnnH
Program area
Program memory
space
Internal ROM^Note
0000H
0080H
007FH
0040H
003FH
0022H
0021H
0000H
CALLT table area
Program area
Vector table area
Note The internal ROM capacity depends on the product (see the following table).
Part Number
µPD789304, 789314
µPD789306, 789316
Last Address of Internal ROM
nnnnH
1FFFH
3FFFH
14
Data Sheet U14384EJ1V0DS