Datasheet

Table Of Contents
Section 2 CPU
Page 24 of 846 REJ09B0140-0900 Rev. 9.00
Sep 16, 2010
H8S/2215 Group
16 × 16-bit register-register multiply: 20 states
32 ÷ 16-bit register-register divide: 20 states
Two CPU operating modes
Normal mode
*
Advanced mode
Note: * Normal mode is not available in this LSI.
Power-down state
Transition to power-down state by SLEEP instruction
CPU clock speed selection
2.1.1 Differences between H8S/2600 CPU and H8S/2000 CPU
The differences between the H8S/2600 CPU and the H8S/2000 CPU are as shown below.
Register configuration
The MAC register is supported only by the H8S/2600 CPU.
Basic instructions
The four instructions MAC, CLRMAC, LDMAC, and STMAC are supported only by the
H8S/2600 CPU.
The number of execution states of the MULXU and MULXS instructions
Execution States
Instruction Mnemonic H8S/2600 H8S/2000
MULXU MULXU.B Rs, Rd 3 12
MULXU.W Rs, ERd 4 20
MULXS MULXS.B Rs, Rd 4 13
MULXS.W Rs, ERd 5 21
In addition, there are differences in address space, CCR and EXR register functions, power-down
modes, etc., depending on the model.