HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 22
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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Table 1.1
Item
CPU
Bus controller
Data transfer
controller (DTC)
16-bit timer-pulse
unit (TPU)
2
Overview
Specification
General-register machine
High-speed operation suitable for realtime control
Instruction set suitable for high-speed operation
Two CPU operating modes
Address space divided into 8 areas, with bus specifications settable
independently for each area
Chip select output possible for areas 0 to 3
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
External bus release function
Can be activated by internal interrupt or software
Multiple transfers or multiple types of transfer possible for one activation
source
Transfer is possible in repeat mode, block transfer mode, etc.
Request can be sent to CPU for interrupt that activated DTC
6-channel 16-bit timer on-chip
Pulse I/O processing capability for up to 16 pins'
Automatic 2-phase encoder count capability
Sixteen 16-bit general registers (also usable as sixteen 8-bit registers
Maximum clock rate: 20 MHz
High-speed arithmetic operations
Sixty-five basic instructions
8/16/32-bit move/arithmetic and logic instructions
Unsigned/signed multiply and divide instructions
Powerful bit-manipulation instructions
Normal mode: 64-kbyte address space (ZTAT, mask ROM, and
Advanced mode: 16-Mbyte address space
or eight 32-bit registers)
8/16/32-bit register-register add/subtract : 50 ns
16
32
ROMless versions only)
16-bit register-register divide
16-bit register-register multiply
: 1000 ns
: 1000 ns
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