NEC mPD784225 Series User Manual page 58

(1) When the LOCATION 0H instruction is executed
• Internal memory
The internal data area and internal ROM area are as follows.
Part Number
µ PD784224
0F100H to 0FFFFH
µ PD784225
0EE00H to 0FFFFH
Caution The following area, which is overlapped with the internal data area in the on-chip ROM,
cannot be used while the LOCATION 0H instruction is executed.
Part Number
µ PD784224
µ PD784225
• External memory
External memory is accessed in the external memory expansion mode.
(2) When the LOCATION 0FH instruction is executed
• Internal memory
The internal data area and internal ROM area are as follows.
Part Number
µ PD784224
FF100H to FFFFFH
µ PD784225
FEE00H to FFFFFH
• External memory
External memory is accessed in the external memory expansion mode.
58
CHAPTER 3 CPU ARCHITECTURE
Internal Data Area Internal ROM Area
00000H to 0F0FFH
10000H to 17FFFH
00000H to 0EDFFH
10000H to 1FFFFH
Unused Area
0F100H to 0FFFFH (3,840 bytes)
0EE00H to 0FFFFH (4,608 bytes)
Internal Data Area Internal ROM Area
00000H to 17FFFH
00000H to 1FFFFH
User's Manual U12697EJ3V0UM