Renesas R5F61663MD50BGV

Overview

R5F61663MD50BGV from Renesas Electronics is a 32-bit CISC microcontroller in the H8SX/1663M 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 clock pulse generator (CPG), targeting embedded control applications in industrial equipment and office automation systems.

For engineers reviewing the R5F61663MD50BGV datasheet, R5F61663MD50BGV pinout, R5F61663MD50BGV application, or R5F61663MD50BGV equivalent, key selection criteria include its 100-pin LQFP package, 3.3 V single-supply operation, built-in debug interface (on-chip debugging support), and compliance with Renesas' Standard quality grade for non-safety-critical industrial use.

Technical Context

The R5F61663MD50BGV implements the H8SX CPU core with three operating modes (Normal, Middle, Advanced) and supports 4 GB linear address space. Its system architecture includes a bus controller (BSC), data transfer controller (DTC), and interrupt controller (INTC) enabling efficient peripheral handling and real-time response.

Peripheral integration includes four 16-bit TPU channels with PWM output capability, two full-duplex SCI modules supporting asynchronous communication up to 2 Mbps, and a programmable pulse generator (PPG) for precise timing control - all synchronized via the CPG's PLL-based clock synthesis from external crystal or internal oscillator sources.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), thermally enhanced with exposed pad (EP).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F61663MD50BGV, the R5F61663MD40BGV trades clock speed for reduced dynamic power, while the R5F61664MD50BGV extends memory capacity without altering timing behavior or layout - enabling scalable firmware development across product tiers.

Availability

R5F61663MD50BGV is available at Aetrix Electronics and suitable for industrial motor control, office automation equipment, factory I/O modules, and test & measurement instruments requiring stable component supply and long-term production continuity.

Supply support for R5F61663MD50BGV 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 specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The H8SX/1663M Group, including R5F61663MD50BGV, was designed for cost-effective, high-reliability embedded control in industrial automation and office equipment - emphasizing real-time responsiveness, integrated peripherals, and robustness under extended temperature operation.

FAQ

What is the maximum operating frequency of the R5F61663MD50BGV?

The R5F61663MD50BGV operates at a maximum frequency of 50 MHz, achieved using the on-chip PLL clock pulse generator (CPG) with an external crystal (1–20 MHz) or internal oscillator. This frequency is fully supported across the −40°C to +85°C industrial temperature range and enables sub-microsecond interrupt latency for time-critical control loops. The R5F61663MD50BGV datasheet specifies timing parameters validated at this speed under worst-case voltage and temperature conditions.

Does the R5F61663MD50BGV support in-system programming (ISP)?

Yes, the R5F61663MD50BGV supports in-system programming via its on-chip debugging interface using Renesas' E8a or E20 emulators. Firmware updates can be performed through the SCI or dedicated debug pins without removing the device from the PCB. The R5F61663MD50BGV Flash memory is organized into 1 KB sectors with individual erase capability, allowing partial reprogramming while preserving calibration data or configuration parameters stored in protected regions.

What peripheral interfaces are integrated into the R5F61663MD50BGV?

The R5F61663MD50BGV integrates a 16-bit timer pulse unit (TPU) with four channels, two full-duplex serial communications interfaces (SCI), a watchdog timer (WDT), a programmable pulse generator (PPG), a data transfer controller (DTC), and a clock pulse generator (CPG). It does not include CAN, USB, or Ethernet controllers. All peripherals are accessible via memory-mapped registers and support interrupt-driven or DMA-based operation - confirmed in the R5F61663MD50BGV Hardware Manual Rev. 2.00.

Is the R5F61663MD50BGV qualified for automotive applications?

No, the R5F61663MD50BGV is classified as a Standard quality grade device per Renesas documentation and is intended for industrial, office, and consumer equipment - not automotive or safety-critical systems. It lacks AEC-Q100 qualification, extended temperature range beyond +85°C, and fault-tolerant features required for automotive ECUs. For automotive use, Renesas offers the RH850 or RL78 families; the R5F61663MD50BGV must not be deployed in vehicle subsystems without explicit written approval from Renesas Electronics.

What debug capabilities does the R5F61663MD50BGV provide?

The R5F61663MD50BGV provides on-chip debugging support via dedicated pins (BKGD, RES#) compatible with Renesas E8a and E20 debug emulators. It supports real-time program execution control, hardware breakpoints, register and memory inspection, and trace buffer capture - all without requiring external JTAG boundary scan circuitry. Debug functionality is active during normal operation and remains available after reset, enabling full visibility into R5F61663MD50BGV runtime behavior during development and field diagnostics.