Renesas R5F61622N50FPV

Overview

R5F61622N50FPV from Renesas Electronics is a 32-bit CISC microcontroller in the H8SX/1622 Group, featuring a 50 MHz maximum CPU clock, 256 KB on-chip Flash memory, and integrated peripherals including TPU, SCI, WDT, and DTC for real-time embedded control. It operates from a 3.0–3.6 V supply and targets industrial motor control and factory automation systems requiring deterministic timing and interrupt response.

For engineers reviewing the R5F61622N50FPV datasheet, R5F61622N50FPV pinout, R5F61622N50FPV application, or R5F61622N50FPV equivalent, key selection criteria include its 144-pin LQFP package, 50 MHz core frequency, 256 KB Flash/16 KB RAM memory map, and support for H8SX instruction set compatibility with legacy H8 development tools.

Technical Context

The R5F61622N50FPV implements the H8SX CPU core with three operating modes (Normal, Middle, Advanced) and supports up to 50 MHz operation via internal PLL clock generation. It integrates a programmable pulse generator (PPG), 16-bit timer pulse unit (TPU) with input capture/output compare, and dual serial communication interfaces (SCI) supporting asynchronous and clock-synchronous protocols.

Memory architecture includes 256 KB of on-chip Flash with 1 KB sector erase capability, 16 KB of SRAM, and 4 KB of boot ROM. Peripheral bus control is managed by the Bus State Controller (BSC), enabling configurable wait states and external memory interface support up to 16-bit data width.

Key Specifications

Pinout & Package

Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, plastic body with exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R5F61622N50FPV, R5F61624N50FPV offers scalable Flash capacity without layout changes, while R5F61620N50FPV reduces feature count to lower cost-both maintain identical timing behavior, interrupt latency, and power profile for drop-in evaluation.

Availability

R5F61622N50FPV is available at Aetrix Electronics and suitable for industrial motor drive, factory automation PLC, and building HVAC control applications requiring stable component supply across multi-year production cycles.

Supply support for R5F61622N50FPV includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor manufacturer headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The H8SX/1622 Group is designed for high-reliability industrial embedded control, emphasizing deterministic real-time performance, on-chip debug capability, and long-term supply stability in harsh environments.

FAQ

What is the maximum operating frequency of the R5F61622N50FPV?

The R5F61622N50FPV supports a maximum CPU clock frequency of 50 MHz, achieved via internal PLL multiplication of an external crystal or clock source. This frequency enables sub-20 ns instruction cycle times for time-critical control tasks. The R5F61622N50FPV datasheet specifies timing margins under worst-case voltage (3.0 V) and temperature (85°C) conditions, and all peripherals-including TPU and SCI-are fully functional at this rate without additional wait states.

Does the R5F61622N50FPV include on-chip debug capability?

Yes, the R5F61622N50FPV integrates the User Break Controller (UBC), providing non-intrusive hardware breakpoints, real-time trace, and single-step execution without requiring external JTAG emulators. This UBC functionality is accessible through Renesas' E10A-USB or E20 debug interfaces and is fully supported in CS+ and HEW IDEs. The R5F61622N50FPV's UBC allows live register inspection and memory modification during active program execution, essential for validating motor control algorithms in lab and field environments.

What memory resources are available on the R5F61622N50FPV?

The R5F61622N50FPV provides 256 KB of on-chip Flash memory for program storage, 16 KB of SRAM for runtime variables and stack, and 4 KB of mask-ROM boot code. Flash supports 1 KB sector erase and byte/word programming with built-in erase/program verify logic. All memory regions are directly accessible in linear address space, and the R5F61622N50FPV's memory map reserves dedicated areas for interrupt vectors, peripheral registers, and user configuration settings as defined in the Hardware Manual Rev. 2.00.

Which communication interfaces does the R5F61622N50FPV support?

The R5F61622N50FPV integrates two independent Serial Communication Interfaces (SCI0 and SCI1), each supporting asynchronous (UART) and clock-synchronous (SPI-like) modes with programmable baud rates, parity, and stop bits. It also features a Data Transfer Controller (DTC) that autonomously moves data between SCI registers and memory without CPU involvement. No CAN, USB, or Ethernet controllers are included-the R5F61622N50FPV relies on external transceivers or bridge ICs for those protocols.

Is the R5F61622N50FPV suitable for automotive applications?

No, the R5F61622N50FPV is classified as a "Standard" quality grade device per Renesas documentation and is intended for industrial equipment, office automation, and consumer appliances-not automotive or safety-critical systems. It lacks AEC-Q100 qualification, extended temperature range beyond +85°C, and fault-tolerant design features required for automotive ECUs. For automotive use, Renesas recommends RH850 or RL78/F1x families instead of the R5F61622N50FPV.