64F7055F40 PDF – RISC Microcomputer – HD64F7055F40

A RISC (Reduced Instruction Set Computer) microcontroller is a type of microcontroller architecture that emphasizes simplicity and efficiency in instruction execution. In contrast to Complex Instruction Set Computers (CISC), which have a larger and more varied set of instructions, RISC architectures streamline the instruction set to a smaller number of simple and frequently used instructions. This design philosophy aims to improve the overall performance of the microcontroller by allowing instructions to be executed more quickly and efficiently.

Part Number: 64F7055F40, HD64F7055F40, SH7055

Function: RISC Microcomputer ( Automotive ECU Microcontroller IC CPU )

Package: QFP 256 Pin Type

Manufacturer: Renesas Technology


64F7055F40 datasheet pdf


The 64F7055F40 is a single-chip RISC microcontroller. ( Automotive ECU Microcontroller IC CPU ).

The CPU has a RISC-type instruction set. Basic instructions can be executed in one state (one system clock cycle), which greatly improves instruction execution speed. In addition, the 32-bit internal architecture enhances data processing power. With this CPU, it has become possible to assemble low-cost, high-performance/high-functionality systems even for applications such as real-time control, which could not previously be handled by microcontrollers because of their high-speed processing requirements.


· SuperH architecture coprocessor

· Supports single-precision floating-point operations

· Supports a subset of the data types specified by the IEEE standard

· Supports invalid operation and division-by-zero exception detection (subset of IEEE standard)

· Supports Round to Zero as the rounding mode (subset of IEEE standard)

· Sixteen 32-bit floating-point data registers

· Supports the FMAC instruction (multiply-and-accumulate instruction)

· Supports the FDIV instruction (divide instruction) […]

Block Diagram and Pinouts:

64F7055F40 pinout

64F7055F40 PDF Datasheet