HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 43

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

2.1.3
In comparison to the H8/300 CPU, the H8S/2000 CPU has the following enhancements.
2.1.4
In comparison to the H8/300H CPU, the H8S/2000 CPU has the following enhancements.
More general registers and control registers
Expanded address space
Enhanced addressing
Enhanced instructions
Higher speed
Additional control register
Enhanced instructions
Higher speed
Eight 16-bit expanded registers, and one 8-bit control register, have been added.
Normal mode supports the same 64-kbyte address space as the H8/300 CPU. (ZTAT, mask
Advanced mode supports a maximum 16-Mbyte address space.
The addressing modes have been enhanced to make effective use of the 16-Mbyte address
Addressing modes of bit-manipulation instructions have been enhanced.
Signed multiply and divide instructions have been added.
Two-bit shift instructions have been added.
Instructions for saving and restoring multiple registers have been added.
A test and set instruction has been added.
Basic instructions execute twice as fast.
One 8-bit control register has been added.
Addressing modes of bit-manipulation instructions have been enhanced.
Two-bit shift instructions have been added.
Instructions for saving and restoring multiple registers have been added.
A test and set instruction has been added.
Basic instructions execute twice as fast.
ROM, and ROMless versions only)
space.
Differences from H8/300 CPU
Differences from H8/300H CPU
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