Renesas R5F56604BDFB#10

Overview

R5F56604BDFB#10 from Renesas is a 32-bit RXv3 microcontroller with 120 MHz maximum operating frequency, 1 MB on-chip code flash, 128 KB SRAM, and integrated CAN FD, 12-bit A/D and D/A converters, RTC, and hardware FPU compliant with IEEE 754. It serves as a high-integration control core in industrial automation, motor control, and safety-critical embedded systems requiring IEC 60730 compliance.

For engineers reviewing the R5F56604BDFB#10 datasheet, R5F56604BDFB#10 pinout, R5F56604BDFB#10 application, or R5F56604BDFB#10 equivalent, key selection considerations include its 144-pin LFQFP (PLQP0144KA-B) package, dual D/A output capability, sub-clock oscillator support for RTC operation, JTAG/FINE debug interfaces, and full CAN FD protocol compliance per ISO 11898-1:2015.

Technical Context

The R5F56604BDFB#10 implements the RXv3 CPU core with single-cycle instruction execution, 113-instruction set including 11 floating-point and 23 DSP instructions, and collective register bank save for fast context switching. 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 frequency-division paths for ICLK (up to 120 MHz), PCLKA (120 MHz), PCLKB (60 MHz), and ADCLK (60 MHz).

Peripheral integration includes MTU3a (9-channel 16/32-bit timer with complementary PWM and dead-time control), ELC for event-driven module linking without CPU intervention, and safety features such as MPU (8 regions), Trusted Memory (TM), CRC calculator (CRCA), CAC clock accuracy monitoring, and register write protection - all aligned with IEC 60730 Class B requirements for self-test and fault detection.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56604BDFB#10, the R5F56605BDFB#10 trades 512 KB flash for lower unit cost without altering peripheral count or timing performance, while R5F56607BDFB#10 removes JTAG access to reduce attack surface - both retain identical CAN FD, ADC/DAC, and safety feature sets for drop-in compatibility in validated designs.

Availability

R5F56604BDFB#10 is available at Aetrix Electronics and suitable for industrial automation, motor control, and smart metering applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for safety-certified designs.

Supply support for R5F56604BDFB#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 - including R5F56604BDFB#10 - is engineered for high-reliability industrial control applications demanding real-time responsiveness, functional safety compliance (IEC 60730), and rich analog/motor control peripherals in a single chip.

FAQ

Does R5F56604BDFB#10 support CAN FD protocol in compliance with ISO 11898-1:2015?

Yes, R5F56604BDFB#10 integrates a fully compliant CAN FD module supporting both standard and extended frames per ISO 11898-1:2015. It operates at data rates up to 5 Mbps in FD mode and includes built-in bit rate switching, error confinement, and FIFO-based message buffering - all verified in the R01DS0393EJ0100 datasheet section 23.

What is the maximum operating frequency and associated CoreMark score for R5F56604BDFB#10?

R5F56604BDFB#10 achieves a maximum operating frequency of 120 MHz and delivers 709 CoreMark points at that speed, as measured using the EEMBC CoreMark benchmark v1.0. This performance stems from the RXv3 core's single-cycle instruction execution, 16-register bank architecture, and zero-wait-state 1 MB flash access - all documented in the R01DS0393EJ0100 Rev.1.00 datasheet page 1.

Is the RTC functionality available on R5F56604BDFB#10, and what conditions must be met?

Yes, R5F56604BDFB#10 supports RTC operation, but it requires connection of a 32.768 kHz crystal to the RTCXTAL/RTCXTAL pins and proper initialization of the RTCC registers. The device belongs to the 144-pin LFQFP variant with sub-clock oscillator support, as confirmed in Table 1.2 of R01DS0393EJ0100. Without the external crystal, RTC cannot function - the datasheet explicitly states RTC is unavailable in packages lacking SOSC.

How many D/A converter channels does R5F56604BDFB#10 provide, and what is their voltage range?

R5F56604BDFB#10 provides two independent 12-bit D/A converter channels (R12DAb). Each channel outputs a voltage from 0 V to AVCC0, where AVCC0 must be supplied within 3.0–5.5 V and ≥ VCC. These outputs can also serve as reference voltages for the four-channel analog comparator (CMPC), as specified in the "Analog" section of R01DS0393EJ0100 page 8.

What debug interfaces are supported by R5F56604BDFB#10, and how do they differ in capability?

R5F56604BDFB#10 supports both JTAG and FINE (single-wire) debugging interfaces. JTAG enables full boundary-scan, real-time trace, and multi-core debug in complex systems; FINE provides minimal-pin debugging with basic halt/run/breakpoint functionality. Both are active simultaneously - JTAG uses dedicated pins (TCK/TMS/TDI/TDO/TRST#), while FINE shares the RXD1/TXD1 pins - details are in Section 29.3 of R01DS0393EJ0100.