Renesas R5F64176DFD#U0

Overview

R5F64176DFD#U0 from Renesas Electronics is a 144-pin LQFP high-end 32-bit CISC microcontroller in the R32C/117 Group, featuring a 64 MHz CPU core, 512 KB flash + 8 KB data flash, 40 KB RAM, IEEE-754 single-precision FPU, and integrated CAN 2.0B module compliant with ISO 11898-1 - deployed in automotive audio control units requiring deterministic real-time communication and mixed-signal processing.

For engineers reviewing the R5F64176DFD#U0 datasheet, R5F64176DFD#U0 pinout, R5F64176DFD#U0 application, or R5F64176DFD#U0 equivalent, key selection criteria include its 144-pin PLQP0144KA-A package, 32 CAN mailboxes, 34-channel 10-bit ADC with sample-and-hold, nine UART channels (including I²C-bus mode), and -40°C to +85°C industrial temperature grade.

Technical Context

The R5F64176DFD#U0 implements the R32C/100 Series CPU core with 108 basic instructions, 15.625 ns minimum instruction execution time at 64 MHz, 32×32→64-bit multiplier, and multiply-accumulate unit. It supports single-chip, memory expansion, and microprocessor operating modes.

Its peripheral subsystem includes four DMAC channels with cycle-steal transfer, 261 interrupt vectors, 120 CMOS I/O ports (32 5 V tolerant), and intelligent I/O supporting 16-bit input capture ×16 and 16-bit output compare ×24 - enabling precise motor control timing and waveform generation without CPU overhead.

Key Specifications

Pinout & Package

144-pin plastic molded LQFP (PLQP0144KA-A) package with exposed pad for thermal dissipation; 0.5 mm pitch, 20.0 × 20.0 mm body size, JEDEC MS-026 compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F64176DFD#U0, R5F64176PFD#U0 offers tighter parametric screening for mission-critical operation, while R5F64177DFD#U0 delivers 128 KB more flash and 8 KB more RAM - both retain identical pinout, CAN timing, ADC accuracy, and interrupt latency for drop-in compatibility in layout-constrained designs.

Availability

R5F64176DFD#U0 is available at Aetrix Electronics and suitable for automotive audio systems, industrial PLC I/O modules, office equipment motor drives, and factory automation gateways requiring stable component supply across extended product lifecycles.

Supply support for R5F64176DFD#U0 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 delivering microcontrollers, analog, power, and SoC products for automotive, industrial, and IoT applications.

The R32C/117 Group belongs to the R32C/100 Series high-end MCU line, designed specifically for deterministic real-time control in automotive infotainment, industrial motion systems, and complex embedded applications demanding integrated CAN, high-resolution ADC, and hardware-accelerated signal processing.

FAQ

What is the maximum clock frequency supported by the R5F64176DFD#U0?

The R5F64176DFD#U0 supports a maximum CPU operating frequency of 64 MHz, achieved using the on-chip PLL with external crystal input. At this speed, the minimum instruction execution time is 15.625 ns. The device also supports 50 MHz operation for lower-power configurations. Both frequencies operate within the specified VCC range of 3.0 V to 5.5 V.

Does the R5F64176DFD#U0 include an integrated CAN transceiver?

No, the R5F64176DFD#U0 integrates a CAN protocol controller compliant with ISO 11898-1, but it does not include a physical layer transceiver. An external CAN transceiver (e.g., SN65HVD230, TJA1042) must be used to interface with the CAN bus. The R5F64176DFD#U0 provides CAN0IN and CAN0OUT signals routed to pins P8_3 and P8_2 respectively.

How many analog-to-digital converter channels does the R5F64176DFD#U0 support?

The R5F64176DFD#U0 supports 34 channels of 10-bit analog-to-digital conversion. These are distributed across three groups: eight channels on P10_0–P10_7 (AN_0–AN_7), eight on P0_0–P0_7 (AN0_0–AN0_7), and eight on P15_0–P15_7 (AN15_0–AN15_7). All channels share a common sample-and-hold circuit and reference voltage inputs (AVCC/AVSS/VREF).

What is the purpose of the "D" suffix in R5F64176DFD#U0?

The "D" in R5F64176DFD#U0 denotes the industrial temperature grade, specifying an operating range of -40°C to +85°C. This distinguishes it from the "N" version (-20°C to +85°C) and "P" version (-40°C to +85°C with enhanced screening). The "FD" package code confirms the 144-pin PLQP0144KA-A LQFP package.

Can the R5F64176DFD#U0 execute code directly from RAM?

Yes, the R5F64176DFD#U0 supports executing code from RAM via its 4 Gbyte linear address space and flexible memory mapping. While primary program execution occurs from on-chip flash, critical real-time routines (e.g., interrupt service handlers, motor control loops) can be copied to the 40 KB RAM and executed there to reduce instruction fetch latency. The CPU's single-chip mode enables full RAM execution without external bus dependencies.