Data Memory Configuration And Addressing Range For Each Addressing Mode - NEC PD754144 User Manual

CHAPTER 3 FEATURES OF ARCHITECTURE AND MEMORY MAP
Figure 3-2. Data Memory Configuration and Addressing Range for Each Addressing Mode
Addressing mode
Memory bank enable flag MBE = 0 MBE = 1 MBE = 0 MBE = 1
000H
General-
purpose
01FH register area
020H
Data area (SRAM)
07FH
Memory bank 0
Not
incorporated
0FFH
400H
Data area
(EEPROM16 × 8)
41FH
Memory bank 4
Not
incorporated
4FFH
F80H
FB0H Peripheral
hardware area
FBFH
(memory bank 15)
FC0H
FF0H
FFFH
Remark – : don't care
Caution EEPROM can be manipulated by the following 8-bit manipulation instructions only.
MOV XA, @HL
MOV XA, mem
MOV @HL, XA
MOV mem, XA
mem @HL
mem. bit @H+mem. bit
MBS = 0 MBS = 0
MBS = 4 MBS = 4
MBS = MBS =
15 15
XCH XA, @HL
XCH XA, mem
SKE XA, @HL
User's Manual U10676EJ3V0UM
@DE
Stack
fmem. bit pmem. @L
addressing
@DL
– – –
SBS = 0
–
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