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Chapter 2 CPU Basics
II - 12
Memory Space
2-2 Memory Space
2-2-1 Memory Mode
ROM is the read only area and RAM is the memory area which contains readable/writable data. In
addition to these, peripheral resources such as memory-mapped special registers are allocated. The
MN101C series supports single chip mode in its memory model.
Table 2-2-1 Memory Mode Setup
MMOD pin should be fixed to "L" level.
Set the CS1EXT flag of the memory area control register (AREACTR) to "0" in single-chip
mode.
EXMEM flag in EXADV3 to 1 flag in
(MEMCTR register) (EXADV register)
Single chip mode L 0 -
Memory mode MMOD pin