h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 81

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

2.1.2
In comparison to the H8/300 CPU, the H8S/2000 CPU has the following enhancements.
2.1.3
In comparison to the H8/300H CPU, the H8S/2000 CPU has the following enhancements.
More general registers and control registers
Eight 16-bit extended registers and one 8-bit control register have been added.
Expanded address space
Normal mode supports the same 64-kbyte address space as the H8/300 CPU.
Advanced mode supports a maximum 16-Mbyte address space.
Enhanced addressing
The addressing modes have been enhanced to make effective use of the 16-Mbyte address
space.
Enhanced instructions
Addressing modes of bit-manipulation instructions have been enhanced.
Signed multiply and divide instructions have been added.
Two-bit shift and two-bit rotate instructions have been added.
Instructions for saving and restoring multiple registers have been added.
A test and set instruction has been added.
Higher speed
Basic instructions are executed twice as fast.
Additional control register
One 8-bit control register has been added.
Enhanced instructions
Addressing modes of bit-manipulation instructions have been enhanced.
Two-bit shift and two-bit rotate instructions have been added.
Instructions for saving and restoring multiple registers have been added.
A test and set instruction has been added.
Higher speed
Basic instructions are executed twice as fast.
Differences from H8/300 CPU
Differences from H8/300H CPU
Rev. 3.00 Mar 21, 2006 page 27 of 788
REJ09B0300-0300
Section 2 CPU