h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 55
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
- Current page: 55 of 1165
- Download datasheet (6Mb)
In addition, there are differences in address space, CCR and EXR register functions, power-down
modes, etc., depending on the model.
2.1.3
In comparison to the H8/300 CPU, the H8S/2600 CPU has the following enhancements.
• More general registers and control registers
• Expanded address space
Note: * Not available in the H8S/2646 Group.
• Enhanced addressing
• Enhanced instructions
• Higher speed
2.1.4
In comparison to the H8/300H CPU, the H8S/2600 CPU has the following enhancements.
• Additional control register
• Enhanced instructions
Eight 16-bit expanded registers, and one 8-bit and two 32-bit control registers, have been
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
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.
added.
space.
Differences from H8/300 CPU
Differences from H8/300H CPU
Rev. 5.00 Sep 22, 2005 page 29 of 1136
REJ09B0257-0500
Section 2 CPU
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