HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 68
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
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2.1.1
The differences between the H8S/2600 CPU and the H8S/2000 CPU are as shown below.
Instruction
MULXU
MULXS
In addition, there are differences in address space, CCR and EXR register functions, power-down
modes, etc., depending on the model.
2.1.2
In comparison to the H8/300 CPU, the H8S/2000 CPU has the following enhancements.
Rev. 2.0, 08/02, page 28 of 788
Two CPU operating modes
Normal mode
Advanced mode
Power-down state
Transition to power-down state by SLEEP instruction
Selectable CPU clock speed
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
More general registers and control registers
Eight 16-bit extended registers and one 8-bit control register have been added.
Expanded address space
Normal mode supports the same 64-kbyte address space as the H8/300 CPU.
Advanced mode supports a maximum 16-Mbyte address space.
Enhanced addressing
The addressing modes have been enhanced to make effective use of the 16-Mbyte address
space.
Differences from H8/300 CPU
Differences between H8S/2600 CPU and H8S/2000 CPU
Mnemonic
MULXU.B Rs, Rd
MULXU.W Rs, ERd
MULXS.B Rs, Rd
MULXS.W Rs, ERd
H8S/2600
3
4
4
5
Execution States
12
13
21
H8S/2000
20
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