h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 52

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

Section 2 CPU
Note: * Normal mode is not available in this LSI.
2.1.1
In addition, there are differences in address space, CCR and EXR register functions, and power-
down modes, etc., depending on the model.
Rev. 3.00 Oct 04, 2005 page 12 of 598
REJ09B0155-0300
Instruction
MULXU
MULXS
The differences between the H8S/2600 CPU and the H8S/2000 CPU are shown below.
Two CPU operating modes
Power-down state
Register configuration
The MAC register is supported by the H8S/2600 CPU only.
Basic instructions
The four instructions MAC, CLRMAC, LDMAC, and STMAC are supported by the H8S/2600
CPU only.
The number of execution states of the MULXU and MULXS instructions;
16
32 ÷ 16-bit register-register divide:
Normal mode *
Advanced mode
Transition to power-down state by the SLEEP instruction
CPU clock speed selection
Differences between H8S/2600 CPU and H8S/2000 CPU
16-bit register-register multiply:
Mnemonic
MULXU.B Rs, Rd
MULXU.W Rs, ERd
MULXS.B Rs, Rd
MULXS.W Rs, ERd
4 states
20 states
H8S/2600
3
4
4
5
Execution States
H8S/2000
12
20
13
21