HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 52

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

3.1.2 Address Space
The address space size depends on the operating mode.
The H8/534 or H8/536 MCU has five operating modes, which are selected by the input to the
mode pins (MD
operating 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.
CPU operating mode
2
to MD
0
) when the chip comes out of a reset. The CPU, however, has only two
Figure 3-1 CPU Operating Modes
Maximum mode
Minimum mode
32
Maximum address space: 64 kbytes
Hightest address: H'FFFF
Maximum address space: 1 Mbyte
Hightest address: H'FFFFF