Renesas R5F56604FGFB#10

Overview

R5F56604FGFB#10 from Renesas is a 32-bit RXv3 microcontroller operating at up to 120 MHz, featuring 1 MB code flash, 128 KB SRAM, 32 KB data flash, CAN FD interface, 12-bit A/D and D/A converters, RTC with sub-clock oscillator support, and 134 general-purpose I/O pins in a 144-pin LFQFP package. It targets industrial control, motor drive, and safety-critical embedded systems requiring IEC60730 compliance.

For engineers reviewing the R5F56604FGFB#10 datasheet, R5F56604FGFB#10 pinout, R5F56604FGFB#10 application, or R5F56604FGFB#10 equivalent, key selection considerations include its 120-MHz RXv3 core with FPU, dual 12-bit DAC outputs usable as comparator references, integrated CAN FD (ISO 11898-1:2015), 24-channel 12-bit ADC with self-diagnostic and disconnection detection, and deep software standby mode with RTC persistence.

Technical Context

The R5F56604FGFB#10 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant single-precision FPU, 16 register banks for fast context switching, and MPU-based memory protection. Its clock system integrates main (8–24 MHz crystal), sub-clock (32.768 kHz), and on-chip oscillators (LOCO/HOCO/IWDT-dedicated), with independent PLL and frequency dividers for ICLK (120 MHz), PCLKA (120 MHz), PCLKB (60 MHz), PCLKD (60 MHz), FCLK (60 MHz), and BCLK (40 MHz).

Peripheral integration includes MTU3a (9-channel 16/32-bit timer with complementary PWM and dead-time control), ELC for interrupt-free inter-module event linking, DMACA (8-channel DMA), DTC (1-channel data transfer controller), and RIIC (2-channel I²C up to 400 kbps). The device supports full-speed external bus (16-bit, 4 CS areas) and includes hardware-accelerated CRC (CRCA), trigonometric functions (TFU), and safety features like CAC, DOCA, and register write protection.

Key Specifications

Pinout & Package

Package: PLQP0144KA-B - 144-pin Low-profile Quad Flat Package, 20 × 20 mm body, 0.5 mm lead pitch, exposed thermal pad, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56605FGFB#10, the R5F56604FGFB#10 provides full RTC capability and double flash capacity for complex firmware; compared with R5F566T4FGFB#10, it retains broader communication flexibility (REMC, more SCI) at the expense of specialized motor timing features.

Availability

R5F56604FGFB#10 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and smart energy metering requiring stable component supply, long-term lifecycle assurance, and IEC60730-compliant safety features.

Supply support for R5F56604FGFB#10 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 automotive, industrial, and IoT markets.

The RX660 Group is designed for high-performance, safety-aware embedded applications-emphasizing real-time determinism, functional safety (IEC60730), and rich analog/peripheral integration in industrial automation and automotive subsystems.

FAQ

What is the maximum operating frequency and core architecture of the R5F56604FGFB#10?

The R5F56604FGFB#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It delivers 709 CoreMark performance and includes a single-precision IEEE 754 floating-point unit (FPU), 16 register banks for fast context switching, and a memory protection unit (MPU). Its instruction set supports 113 operations including DSP and floating-point instructions, with little-endian default data ordering.

Does the R5F56604FGFB#10 support CAN FD, and what protocol compliance does it offer?

Yes, the R5F56604FGFB#10 integrates one CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames at data rates up to 5 Mbps. It includes built-in message filtering, FIFO buffering, and error handling logic. The CAN FD interface uses dedicated pins CTX0 and CRX0 and operates independently of other peripherals, enabling robust real-time communication in automotive and industrial networks.

What analog peripherals are integrated into the R5F56604FGFB#10, and how are they configured?

The R5F56604FGFB#10 integrates a 24-channel 12-bit S12ADH ADC with 0.9 µs minimum conversion time, two 12-bit R12DAb DAC channels (output 0–AVCC0), four CMPC analog comparators, and an on-die temperature sensor (±1.0°C accuracy). The DAC outputs can serve as reference voltages for the comparators. All analog modules support event linking via ELC and include self-diagnostic and disconnection detection features for IEC60730 compliance.

What package type and thermal specifications apply to the R5F56604FGFB#10?

The R5F56604FGFB#10 is housed in a PLQP0144KA-B package: a 144-pin Low-profile Quad Flat Package measuring 20 × 20 mm with 0.5 mm lead pitch and an exposed thermal pad. It is rated for the G-version industrial temperature range of –40°C to +105°C and operates from a single 2.7–5.5 V supply (VCC) with AVCC0 requiring 3.0–5.5 V and being ≥ VCC.

How does the R5F56604FGFB#10 support functional safety standards such as IEC60730?

The R5F56604FGFB#10 includes multiple hardware features for IEC60730 Class B compliance: oscillation-stop detection for main/sub clocks, clock frequency accuracy measurement circuit (CAC), CRC calculator (CRCA), data operation circuit (DOCA) for RAM testing, register write protection, and self-diagnostic ADC/comparator functions. These are complemented by Trusted Memory (TM) for secure firmware and MPU-based memory isolation-enabling systematic safety verification without external components.