Renesas R5F56514FGLK#20

Overview

R5F56514FGLK#20 from Renesas is a 32-bit RXv2 microcontroller operating at up to 120 MHz (240 DMIPS), featuring single-precision IEEE-754 FPU, 1.5 MB on-chip code flash memory, 640 KB SRAM (no wait states), and integrated Ethernet MAC, CAN, USB 2.0 FS, SD host/slave, QSPI, and GLCDC for industrial HMI and networked edge devices.

For engineers reviewing the R5F56514FGLK#20 datasheet, R5F56514FGLK#20 pinout, R5F56514FGLK#20 application, or R5F56514FGLK#20 equivalent, key selection criteria include dual-bank flash for safe firmware updates, 136 GPIOs with 5-V tolerance, 12-bit A/D (21-channel unit), hardware encryption (AES-128/192/256 + TSIP), and IEC60730 safety support including CRC, IWDT, and self-diagnostic A/D.

Technical Context

The R5F56514FGLK#20 implements the RXv2 CPU core with CISC Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code density. It integrates dual-clock domain operation: ICLK up to 120 MHz for CPU and PCLKA-synchronized peripherals (ETHERC, GLCDC, DRW2D), while PCLKB (≤60 MHz) drives timers, ADC, and communication interfaces like SCI and I²C.

Its peripheral subsystem includes a 2-channel CAN controller compliant with ISO11898-1 (32 mailboxes/channel), Ethernet MAC with RMII/MII support, and a dedicated EXDMAC with cluster transfer mode for high-throughput camera or display data movement-critical for real-time vision and graphics applications requiring deterministic latency.

Key Specifications

Pinout & Package

Package: PLQP0176KB-A, 176-pin LFBGA, 24 × 24 mm, 0.5 mm pitch, RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit industrial MCU applications.

Compared with R5F56514FGLK#20, R5F5651EDFLK#20 offers expanded flash for complex protocol stacks without altering layout or software abstraction layer, while R5F566TEADFP#30 trades graphics peripherals for deterministic motor-control timing and higher computational throughput-making it unsuitable for HMI but superior for motion-critical applications.

Availability

R5F56514FGLK#20 is available at Aetrix Electronics and suitable for industrial HMI, smart gateways, networked energy meters, and medical display interfaces requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature operation.

Supply support for R5F56514FGLK#20 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 trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets, with deep expertise in microcontrollers, analog, power, and connectivity technologies.

The RX651 Group-including R5F56514FGLK#20-is designed for high-integration industrial edge applications demanding rich connectivity, graphics capability, functional safety, and secure firmware execution in harsh environments.

FAQ

What is the maximum operating frequency and performance rating of the R5F56514FGLK#20?

The R5F56514FGLK#20 operates at a maximum frequency of 120 MHz and delivers 240 DMIPS of processing performance. Its RXv2 CPU core includes single-precision IEEE-754 floating-point support and DSP instructions, enabling efficient execution of control algorithms, signal processing, and graphics operations without external coprocessors. This performance level is sustained across the full operating temperature range (–40°C to +105°C).

Does the R5F56514FGLK#20 support secure boot and cryptographic acceleration?

Yes, the R5F56514FGLK#20 integrates Trusted Secure IP (TSIP) hardware that accelerates AES encryption/decryption (128/192/256-bit keys) and provides secure key storage. Combined with the Memory Protection Unit (MPU) and Trusted Memory (TM) function-which restricts instruction fetch to protected code flash regions-it enables robust secure boot, authenticated firmware updates, and runtime protection of sensitive data within the R5F56514FGLK#20.

What display and graphics capabilities does the R5F56514FGLK#20 provide?

The R5F56514FGLK#20 includes a Graphic-LCD Controller (GLCDC) supporting up to 800×480 resolution with 3-layer superposition (background, graphic 1, graphic 2), and a 2D Drawing Engine (DRW2D) for hardware-accelerated bit blitting, vector drawing, and texture mapping. These peripherals operate independently of the CPU, reducing load during UI rendering and enabling smooth animation on color TFT displays driven directly by the R5F56514FGLK#20.

How many analog input channels does the R5F56514FGLK#20 support, and what resolution options are available?

The R5F56514FGLK#20 integrates two independent 12-bit A/D converter units: S12AD unit 0 with 8 channels and unit 1 with 21 channels-totaling 29 configurable analog inputs. Each channel supports selectable resolution of 8-, 10-, or 12-bit, with conversion times as fast as 0.42 µs (8-bit), 0.45 µs (10-bit), or 0.48 µs (12-bit). Both units include self-diagnostic and analog input disconnection detection features.

Is the R5F56514FGLK#20 qualified for industrial temperature operation and functional safety standards?

Yes, the R5F56514FGLK#20 is rated for industrial temperature operation from –40°C to +105°C (G-version) and includes a comprehensive IEC60730 Class B compliance suite: oscillation-stop detection, frequency measurement, CRC calculator (CRCA), independent watchdog timer (IWDT) with windowing, register write protection, and A/D self-diagnostic functionality-all implemented in hardware to support certification of safety-critical control applications using the R5F56514FGLK#20.