HD6475328-CP10 HITACHI [Hitachi Semiconductor], HD6475328-CP10 Datasheet - Page 51

• Manufacturer Part Number: HD6475328-CP10
• Description: original Hitachi CMOS microcomputer unit (MCU)
• Manufacturer: HITACHI [Hitachi Semiconductor]

3.1.2 Address Space
The address space size depends on the operating mode.
The H8/532 MCU has five operating modes, which are selected by the input to the mode pins
(MD
modes. The MCU operating mode determines the CPU operating mode, which in turn determines
the maximum address space size as indicated in figure 3-1.
2
to MD
CPU operating mode
0
) when the chip comes out of a reset. The CPU, however, has only two operating
Figure 3-1 CPU Operating Modes
Maximum mode
Minimum mode
32
Maximum address space: 64 k
bytes Hightest address: H'FFFF
Maximum address space: 1 M byte
Hightest address: H'FFFFF