Renesas R5F61663RD50FPV

Overview

R5F61663RD50FPV from Renesas Electronics is a 32-bit CISC microcontroller in the H8SX/1663R Group, featuring 256 KB on-chip Flash memory, 16 KB RAM, and a maximum operating frequency of 50 MHz. It integrates a 16-bit timer pulse unit (TPU), serial communications interface (SCI), watchdog timer (WDT), and programmable pulse generator (PPG), targeting real-time control in industrial automation and motor drive systems.

For engineers reviewing the R5F61663RD50FPV datasheet, R5F61663RD50FPV pinout, R5F61663RD50FPV application, or R5F61663RD50FPV equivalent, key selection criteria include its 100-pin LQFP package, 50 MHz CPU clock, 256 KB Flash with 10⁴ write/erase cycles, integrated SCI for RS-232/RS-485 communication, and support for single-cycle instruction execution in Advanced Mode.

Technical Context

The R5F61663RD50FPV implements the H8SX CPU core with three operating modes-Normal, Middle, and Advanced-enabling configurable performance and power trade-offs. Its system architecture includes a bus controller (BSC), clock pulse generator (CPG) supporting internal PLL for clock multiplication, and interrupt controller (INTC) with 128 vector entries.

Peripheral integration includes four 16-bit TPU channels for PWM generation and input capture, two full-duplex SCIs with baud rate generators and framing error detection, and a data transfer controller (DTC) supporting automatic memory-to-peripheral transfers without CPU intervention-reducing software overhead in high-speed I/O applications.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced with exposed pad for improved heat dissipation in continuous operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F61663RD50FPV, the R5F61664RD50FPV offers double Flash capacity without layout or software changes, while the R5F61663MD50FPV sacrifices industrial temperature rating and CAN support-making it unsuitable for factory-floor deployment despite identical pinout and basic functionality.

Availability

R5F61663RD50FPV is available at Aetrix Electronics and suitable for industrial motor control, programmable logic controllers, factory automation HMIs, and energy metering gateways requiring stable component supply across multi-year production cycles.

Supply support for R5F61663RD50FPV 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and infrastructure markets.

The H8SX/1663R Group, including R5F61663RD50FPV, was designed for deterministic real-time control in industrial automation-emphasizing peripheral integration, low-latency interrupt response, and robust operation across extended temperature ranges.

FAQ

What is the maximum operating frequency of the R5F61663RD50FPV?

The R5F61663RD50FPV operates at a maximum frequency of 50 MHz, achieved via its internal PLL clock pulse generator (CPG) when driven by an external 4–10 MHz crystal or clock source. This frequency is fully supported across the −40°C to +85°C industrial temperature range and enables sub-microsecond interrupt response times critical for motor control loops. The R5F61663RD50FPV datasheet specifies timing margins for all internal buses and peripherals at this rated speed.

Does the R5F61663RD50FPV include on-chip debug support?

Yes, the R5F61663RD50FPV integrates a dedicated on-chip debugging interface compliant with Renesas E1/E20 emulator protocols. It supports full-speed real-time debugging, hardware breakpoints, and memory/register access without halting peripheral operation-enabling development of time-critical firmware such as servo control algorithms. Debug access uses dedicated pins (MOD0, MOD1, and TDI/TDO) and requires no additional external circuitry beyond standard JTAG-level signaling.

What packaging and RoHS compliance status does the R5F61663RD50FPV have?

The R5F61663RD50FPV is supplied in a 100-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with lead-free (Pb-free) terminations and complies with EU RoHS Directive 2011/65/EU. Renesas confirms this part meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3) and is qualified for standard reflow soldering profiles. Full material declarations and test reports are available through Renesas' official product page for R5F61663RD50FPV.

Can the R5F61663RD50FPV execute code directly from Flash memory?

Yes, the R5F61663RD50FPV supports XIP (eXecute-In-Place) from its 256 KB on-chip Flash memory without requiring code copying to RAM. The H8SX CPU executes instructions directly from Flash with zero wait states at 50 MHz due to its prefetch buffer and cache-like instruction pipeline. This capability reduces RAM usage and simplifies boot architecture-critical for resource-constrained industrial firmware where R5F61663RD50FPV serves as the sole controller.

What peripheral interfaces are integrated into the R5F61663RD50FPV?

The R5F61663RD50FPV integrates a 16-bit timer pulse unit (TPU) with four channels, two full-duplex serial communications interfaces (SCI), a watchdog timer (WDT), programmable pulse generator (PPG), data transfer controller (DTC), clock pulse generator (CPG), and interrupt controller (INTC). Notably absent is CAN or USB-confirming its positioning as a cost-optimized industrial MCU for applications relying on RS-232/RS-485, PWM, and discrete I/O rather than fieldbus networking. All peripherals are memory-mapped and accessible via standard H8SX addressing.