Renesas R5F56604FDFP#10

Overview

R5F56604FDFP#10 from Renesas is a 32-bit RXv3 microcontroller with 120 MHz maximum operating frequency, 1 Mbyte on-chip code flash, 128 Kbytes SRAM, and integrated CAN FD, 12-bit A/D and D/A converters, RTC, and hardware FPU. It operates from a single 2.7–5.5 V supply and supports IEC60730-compliant safety functions for industrial control and motor drive applications.

For engineers reviewing the R5F56604FDFP#10 datasheet, R5F56604FDFP#10 pinout, R5F56604FDFP#10 application, or R5F56604FDFP#10 equivalent, key selection considerations include its 144-pin LFQFP (PLQP0144KA-B) package, JTAG/FINE debug support, sub-clock oscillator inclusion, full peripheral set including MTU3a (9-channel), CAN FD, and dual 12-bit DACs - all confirmed for this specific part number.

Technical Context

The R5F56604FDFP#10 implements the RXv3 CPU core with single-precision IEEE 754 FPU, 16 register banks for fast context switching, and MPU-based memory protection. Its clock system integrates main (8–24 MHz crystal), sub (32.768 kHz), and on-chip oscillators (LOCO/HOCO/IWDT-dedicated), with independent PLL and fine-grained peripheral clock domain control (ICLK up to 120 MHz, PCLKA up to 120 MHz, PCLKB up to 60 MHz).

Peripheral integration includes ELC-driven event-triggered operation across 83 internal signals, enabling low-CPU-overhead coordination of MTU3a PWM generation, A/D conversion triggers, and comparator outputs. Safety features include CAC for clock accuracy monitoring, CRCA with configurable polynomials, DOCA for 32-bit data operations, and register write protection - all explicitly validated for the R5F56604FDFP#10 in the RX660 Group datasheet.

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 32-bit MCU applications.

Compared with R5F56605FDFP#10, the R5F56604FDFP#10 provides double code flash capacity for complex control stacks or OTA update partitions; versus R5F566T5FDFP#10, it trades JTAG for lower pin-count debug (FINE-only), reducing test infrastructure complexity while retaining full functional equivalence for most embedded deployments.

Availability

R5F56604FDFP#10 is available at Aetrix Electronics and suitable for industrial motor control, smart appliance development, and automotive body electronics requiring stable component supply, long-term lifecycle assurance, and full documentation traceability.

Supply support for R5F56604FDFP#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 industrial, automotive, and IoT markets.

The RX660 Group, including the R5F56604FDFP#10, was designed for high-performance, safety-certifiable embedded control in motor drives, home appliances, and industrial automation - integrating FPU, CAN FD, and IEC60730 features into a single scalable MCU platform.

FAQ

What is the maximum operating frequency and core type of the R5F56604FDFP#10?

The R5F56604FDFP#10 features a 32-bit RXv3 CPU core with a maximum operating frequency of 120 MHz. It achieves 709 CoreMark performance at this speed and includes a single-precision IEEE 754 floating-point unit. The core supports collective register bank save, memory protection unit (MPU), and JTAG/FINE debugging interfaces - all confirmed in the official R01DS0393EJ0100 datasheet for this exact part number.

Does the R5F56604FDFP#10 include a sub-clock oscillator and support real-time clock functionality?

Yes, the R5F56604FDFP#10 includes a sub-clock oscillator interface (RTCXTAL/RTCXTAL pins) and fully supports real-time clock (RTCC) functionality. The datasheet confirms RTC operation in the 144-pin LFQFP variant with sub-clock oscillator, enabling calendar/timekeeping, alarm interrupts, and time capture - essential for deep software standby mode and energy-efficient applications.

What communication interfaces are integrated into the R5F56604FDFP#10?

The R5F56604FDFP#10 integrates CAN FD (ISO 11898-1:2015 compliant), 13 SCI channels (including SCIm with 16-byte FIFO), 2 RIIC interfaces (400 kbps fast-mode), 1 RSPId (30 Mbps), and 1 REMCa remote control receiver. All are documented in Table 1.2 of the R01DS0393EJ0100 datasheet as present in the 144-pin package with JTAG and sub-clock oscillator - matching the R5F56604FDFP#10 configuration.

How much on-chip memory does the R5F56604FDFP#10 provide?

The R5F56604FDFP#10 provides 1 Mbyte of on-chip code flash memory (with no-wait access at 120 MHz), 32 Kbytes of reprogrammable data flash memory (rated for 100,000 erase/write cycles), and 128 Kbytes of SRAM (no wait states). These values are explicitly specified for the R5F56604FDFP#10 in the RX660 Group datasheet revision 1.00, page 2 and Table 1.1.

Is the R5F56604FDFP#10 qualified for industrial temperature range and what package does it use?

Yes, the R5F56604FDFP#10 is rated for the industrial temperature range of –40°C to +85°C (D-version) and uses the 144-pin LFQFP package designated PLQP0144KA-B (20 × 20 mm, 0.5 mm pitch). This package includes JTAG interface and sub-clock oscillator - confirmed in Table 1.2 and the "List of Products" section of the R01DS0393EJ0100 datasheet.