h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 53

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

2.1.2
In comparison to the H8/300 CPU, the H8S/2600 CPU has the following enhancements:
2.1.3
In comparison to the H8/300H CPU, the H8S/2600 CPU has the following enhancements:
More general registers and control registers
Expanded address space
Enhanced addressing
Enhanced instructions
Higher speed
More control registers
Enhanced instructions
Higher speed
Eight 16-bit extended registers, and one 8-bit and two 32-bit control registers, have been
added.
Normal mode supports the same 64-kbyte address space as the H8/300 CPU.
Advanced mode supports a maximum 16-Mbyte address space.
The addressing modes have been enhanced to make effective use of the 16-Mbyte address
space.
Addressing modes of bit-manipulation instructions have been enhanced.
Signed multiply and divide instructions have been added.
A multiply-and-accumulate instruction has 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 and two 32-bit control registers have been added.
Addressing modes of bit-manipulation instructions have been enhanced.
A multiply-and-accumulate instruction has 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.
Differences from H8/300 CPU
Differences from H8/300H CPU
Rev. 3.00 Oct 04, 2005 page 13 of 598
REJ09B0155-0300
Section 2 CPU