HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 32

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 1 Overview
Table 1.1
Item
CPU
Bus controller
DMA controller *
(DMAC)
Rev.6.00 Sep. 27, 2007 Page 2 of 1268
REJ09B0220-0600
Overview
Specification
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General-register machine
⎯ Sixteen 16-bit general registers (also usable as sixteen 8-bit registers
High-speed operation suitable for realtime control
⎯ Maximum clock rate: 25 MHz
⎯ High-speed arithmetic operations
Instruction set suitable for high-speed operation
⎯ Sixty-five basic instructions
⎯ 8/16/32-bit move/arithmetic and logic instructions
⎯ Unsigned/signed multiply and divide instructions
⎯ Powerful bit-manipulation instructions
CPU operating mode
⎯ Advanced mode: 16-Mbyte address space
Address space divided into 8 areas, with bus specifications settable
independently for each area
Chip select output possible for each area
Choice of 8-bit or 16-bit access space for each area
2-state or 3-state access space can be designated for each area
Number of program wait states can be set for each area
Burst ROM directly connectable
Maximum 8-Mbyte DRAM * directly connectable (or use of interval timer
possible)
External bus release function
Choice of short address mode or full address mode
4 channels in short address mode
2 channels in full address mode
Transfer possible in repeat mode, block transfer mode, etc.
Single address mode transfer possible
Can be activated by internal interrupt
or eight 32-bit registers)
8/16/32-bit register-register add/subtract: 40 ns (at 25-MHz operation)
16 × 16-bit register-register multiply: 800 ns (at 25-MHz operation)
32 ÷ 16-bit register-register divide: 800 ns (at 25-MHz operation)