p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 57

• Manufacturer Part Number: p2125vps20
• Description: 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.
• More general registers and control registers
• Extended address space
• Enhanced addressing
• Enhanced instructions
• Higher speed
2.1.3
In comparison to the H8/300H CPU, the H8S/2000 CPU has the following enhancements.
• Additional control register
• Enhanced instructions
• Higher speed
 Eight 16-bit extended registers and one 8-bit control register have been added.
 Normal mode supports the same 64 Kbytes address space as the H8/300 CPU.
 Advanced mode supports a maximum 16 Mbytes address space.
 The addressing modes have been enhanced to make effective use of the 16 Mbytes address
 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.
 Basic instructions are executed twice as fast.
 One 8-bit control register has been added.
 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.
 Basic instructions are executed twice as fast.
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Differences from H8/300 CPU
Differences from H8/300H CPU
Rev. 1.00 Sep. 21, 2006 Page 19 of 658
REJ09B0310-0100
Section 2 CPU