Renesas R5F72434D100FP#G0

Overview

R5F72434D100FP#G0 from Renesas Electronics is a 32-bit RISC microcontroller based on the SuperH™ SH-2A core, featuring 512 KB on-chip Flash memory, 64 KB RAM, and integrated peripherals including SCI, I²C, CAN 2.0B controller, and 12-bit ADC. It operates at up to 64 MHz and targets real-time industrial control applications requiring deterministic interrupt response and robust peripheral integration.

For engineers reviewing the R5F72434D100FP#G0 datasheet, R5F72434D100FP#G0 pinout, R5F72434D100FP#G0 application, or R5F72434D100FP#G0 equivalent, key selection considerations include its CAN interface compliance, Flash endurance (10,000 write/erase cycles), operating temperature range (−40°C to +85°C), and support for single-chip mode with external bus interface disabled.

Technical Context

The R5F72434D100FP#G0 implements the SH-2A CPU core with 5-stage pipeline, MMU-less architecture, and 32-bit address/data bus. It integrates a Clock Pulse Generator (CPG) supporting PLL-based clock synthesis, oscillation stop detection, and USB 48-MHz clock generation via internal CPG or external resonator.

Peripheral subsystems include a Data Transfer Controller (DTC) for autonomous memory-to-peripheral transfers, an Interrupt Controller (INTC) with 128 interrupt sources and priority levels, and a 16-channel 12-bit ADC with sample-and-hold and scan mode - all accessible via dedicated SFRs and compatible with real-time OS scheduling requirements.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F72434D100FP#G0, the R5F72435D100FP#G0 offers scalable Flash and CAN FD readiness within identical footprint, while the R7F701374EAFP#AA0 introduces automotive-grade safety features at the cost of package and toolchain incompatibility.

Availability

R5F72434D100FP#G0 is available at Aetrix Electronics and suitable for industrial PLCs, motor drives, HVAC controllers, and energy metering gateways requiring stable component supply and long-term production continuity.

Supply support for R5F72434D100FP#G0 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 leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The SH7243 Group, including R5F72434D100FP#G0, was designed for deterministic real-time control in factory automation, motion control, and building management systems - emphasizing peripheral integration, CAN connectivity, and industrial temperature resilience.

FAQ

What is the maximum operating frequency of the R5F72434D100FP#G0?

The R5F72434D100FP#G0 operates at a maximum system clock frequency of 64 MHz, achieved via its integrated Clock Pulse Generator (CPG) with PLL multiplier. This frequency is sustained across the full −40°C to +85°C industrial temperature range when supplied with 3.3 V ±10%. The SH-2A core delivers 1.25 DMIPS/MHz, resulting in ~80 MIPS performance for real-time control tasks.

Does the R5F72434D100FP#G0 support CAN FD?

No, the R5F72434D100FP#G0 implements a CAN 2.0B controller compliant with ISO 11898-1:2003, supporting data rates up to 1 Mbit/s and 11-bit standard identifiers. It does not support CAN FD features such as flexible data-rate switching or extended payload lengths. For CAN FD capability, consider the pin-compatible R5F72435D100FP#G0 variant.

What debug interface does the R5F72434D100FP#G0 provide?

The R5F72434D100FP#G0 supports on-chip debugging via the E10A-USB emulator interface using the dedicated TDI, TDO, TCK, TMS, and TRST pins. It is compatible with Renesas E2 studio and CS+ IDEs for full JTAG-based flash programming, breakpoint setting, and real-time variable monitoring without halting peripheral operation.

Is the R5F72434D100FP#G0 qualified for automotive applications?

No, the R5F72434D100FP#G0 is rated for industrial temperature range (−40°C to +85°C) and classified as "Standard" quality grade per Renesas documentation. It lacks AEC-Q100 qualification, built-in ECC memory, or ASIL-certified safety mechanisms required for automotive use. For automotive applications, Renesas recommends RH850 or RL78/F1x families instead.

How many ADC channels does the R5F72434D100FP#G0 support, and what is their resolution?

The R5F72434D100FP#G0 integrates a 12-bit successive-approximation ADC with 16 input channels (AD00–AD15). Conversion time is 1.2 μs per sample under typical conditions, and the module supports scan mode, trigger synchronization with timers, and automatic result storage in dedicated RAM buffers - enabling high-fidelity analog acquisition for motor current and temperature monitoring.