Inventor

AKAO YASUSHI

JP52 patents

⚠️ This page may combine multiple inventors who share the name “AKAO YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AKAO YASUSHI

HITACHI LTD

Microcomputer having multiple bus structure coupling CPU to other processing elements

Microcomputer

Data processing apparatus with clock signal control by microinstruction for reduced power consumption and method therefor

Microcomputer having 16 bit fixed length instruction format

Single-chip microcomputer with integral clock generating unit providing clock signals to CPU, internal circuit modules and synchronously controlling external dynamic memory

Microprocessor having a DSP and a CPU and a decoder discriminating between DSP-type instructions and CUP-type instructions

Microcomputer system with at least first and second microcomputers each operable in master and slave modes with configurable bus access control terminals and bus use priority controller

Single-chip microcomputer synchronously controlling external synchronous memory responsive to memory clock signal and clock enable signal

Semiconductor integrated circuit device

System for maintaining fixed-point data alignment within a combination CPU and DSP system

Microcomputer system for accessing hierarchical buses

Multiply connectable microprocessor and microprocessor system

Single-chip microcomputer including non-volatile memory elements

Semiconductor integrated circuit having CPU and multiplier

Processing system with microcomputers each operable in master and slave modes using configurable bus access control terminals and bus use priority signals

Microcomputer

Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation

Single-chip microcomputer operable in master and slave modes and having configurable bus control terminals

Microcomputer and microcomputer system

Multiply connectable microprocessor and microprocessor system

Method for flexibly developing a data processing system comprising rewriting instructions in non-volatile memory elements after function check indicates failure of required functions

Single chip microprocessor for satisfying requirement specification of users

Microprocessor for carrying out a plurality of different microprograms at the same time and method for controlling the microprocessor

Microprocessor and method for setting up its peripheral functions

Integrated CPU and DMA with shared executing unit

Data memory system

Data processor

Data processor and data processing system

Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word

Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation

Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word

Division circuit and the division method thereof

Single-chip semiconductor integrated circuit device and microcomputer integrated on a semiconductor chip

Microcomputer

Single-chip microcomputer with hierarchical internal bus structure having data and address signal lines coupling CPU with other processing elements

Semiconductor integrated circuit device

Single-chip microcomputer

Microcomputer and dividing circuit

Microcomputer having variable bit width area for displacement

Single-chip microcomputer having a memory including a one-bit memory element which has 3 inputs and a selector for selecting one of the inputs

Integrated data processor having mode control register for controlling operation mode of serial communication unit

Integrated data processor having mode control register for controlling operation mode of serial communication unit

Data processor

Data processing device having a central processing unit and digital signal processing unit

Semiconductor integrated circuit device

Branch instruction having different field lengths for unconditional and conditional displacements

Data processor

RENESAS TECH CORP

External storage device using non-volatile semiconductor memory

Microcomputer

Microcomputer and dividing circuit