Renesas R5F56719DDLJ#20
- Part No.:
- R5F56719DDLJ#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-TFLGA
- Datasheet:
-
R5F56719DDLJ#20.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 100TFLGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F56719DDLJ#20 from Renesas is a 32-bit RXv3 microcontroller operating at up to 120 MHz, featuring double-precision IEEE-754 FPU, 2 MB on-chip code flash with dual-bank support, 384 KB SRAM, and integrated CAN, USB 2.0 FS, SD host interface, QSPIX, and capacitive touch sensing - deployed in industrial HMI and smart metering systems requiring real-time control and secure firmware updates.
For engineers reviewing the R5F56719DDLJ#20 datasheet, R5F56719DDLJ#20 pinout, R5F56719DDLJ#20 application, or R5F56719DDLJ#20 equivalent, this MCU delivers deterministic real-time performance (707 CoreMark), IEC60730-compliant safety functions, hardware encryption (TSIP), and battery-backed RTC - critical for functional safety certification and secure edge device development.
Technical Context
The R5F56719DDLJ#20 implements the RXv3 CPU core with 16×32-bit general-purpose registers, double-precision FPU (16×64-bit data registers), and collective register bank save for fast context switching. It supports little-endian or big-endian data arrangement and executes instructions at one per cycle at 120 MHz.
Its clock system integrates PLL, sub-clock oscillator (32.768 kHz), and dedicated IWDT oscillator (120 kHz), enabling independent domain clocking: ICLK up to 120 MHz (CPU/QSPIX), PCLKA up to 120 MHz (MTU/RSPI), PCLKB up to 60 MHz (most peripherals), and ADCLK up to 60 MHz (S12AD units).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 707 CoreMark - enables high-throughput deterministic real-time control without external co-processors. |
| Memory | 2 MB code flash (dual-bank, BGO programming), 8 KB data flash (100k erase cycles), 384 KB SRAM (no wait states) - supports field firmware updates and data logging without halting execution. |
| FPU | Double-precision IEEE-754 coprocessor with 16×64-bit registers - accelerates floating-point math for motor control algorithms and sensor fusion. |
| Security | Trusted Secure IP (TSIP): AES128/192/256, RSA, ECC, TRNG, SHA256, key protection - meets IEC60730 Class B and secure boot requirements. |
| Peripherals | 2× CAN FD-capable channels (32 mailboxes), USB 2.0 FS host/function/OTG, SDHI (25 MB/s), QSPIX (120 MHz fetch), 2× S12AD (8+12 ch, 0.48 µs/ch) - consolidates connectivity and analog acquisition in single-chip designs. |
| Package & Temp | PLQP0144KA-B (144-pin LFQFP, 20×20 mm, 0.5 mm pitch), –40°C to +85°C - compatible with standard reflow profiles and industrial PCB layouts. |
| Power | 2.7–3.6 V supply, four low-power modes, VBATT backup for RTC/backup registers - enables battery-assisted operation in energy-constrained applications. |
Pinout & Package
Package: PLQP0144KA-B - 144-pin Low-Profile Quad Flat Package (20 × 20 mm, 0.50-mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, AVCC0, AVCC1 | Core & analog power supply | Separate 2.7–3.6 V domains ensure stable digital logic and precision ADC reference; decoupling required per datasheet layout guidelines. |
| VBATT | Backup power input | Supplies RTC, sub-clock oscillator, and backup registers during main power loss - enables uninterrupted timekeeping and tamper detection. |
| RES# | Active-low reset input | Hardware reset assertion; internal POR/LVD ensures reliable startup under voltage transients without external supervisor IC. |
| XTAL/EXTAL | Main crystal oscillator terminals | Supports 8–24 MHz external crystal; PLL generates 120 MHz ICLK - provides precise timing for USB, CAN, and SD interfaces. |
| USB_DP/USB_DM | USB 2.0 full-speed differential pair | Integrated transceiver eliminates external PHY; supports host/function/OTG with 2 KB on-chip buffer - reduces BOM and board area. |
| TXD0/RXD0 | SCI channel 0 serial interface | Asynchronous UART mode with programmable baud rate generator - used for debug console, bootloader communication, or sensor telemetry. |
| CTX0–CTX16 | Capacitive touch sensing inputs | Self-capacitance mode supports up to 17 keys; mutual capacitance matrix supports up to 64 keys - enables robust touch HMI without external controller. |
| TSIIN | Temperature sensor analog input | Internal diode output routed to S12AD unit 1 - enables on-die thermal monitoring with ±1°C relative accuracy for thermal management. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash architecture | Enables seamless firmware updates: execute from Bank A while programming Bank B, eliminating system downtime during OTA upgrades. |
| Event Link Controller (ELC) | 99 internal event signals routed without CPU intervention - e.g., TPU timer overflow triggers ADC conversion, reducing latency and ISR overhead. |
| IEC60730 safety suite | Oscillation-stop detection, CRC-A, IWDT windowing, A/D self-diagnostic, and register write protection - satisfies Class B compliance without external hardware. |
| QSPIX memory interface | Supports extended/dual/quad-SPI protocols at up to 120 MHz - enables direct XIP (execute-in-place) from external serial flash, expanding effective code space. |
| Capacitive touch sensing unit (CTSUa) | Hardware-accelerated touch detection with noise immunity algorithms - achieves >60 dB common-mode rejection for reliable operation in noisy industrial environments. |
| SD host interface (SDHI) | Compliant with SD Physical Layer Spec v3.01 and SDIO v3.00 - supports 4-bit SD bus at 25 MB/s for local data storage, firmware logging, or configuration backup. |
Applications
| Industrial HMI Panel | Smart Electricity Meter |
|---|---|
|
Use Scenario: Touch-enabled front-panel display with real-time energy metrics, tariff switching, and tamper alerts. IC Role / Device Role / Timing Role: Main application processor managing GUI rendering, capacitive touch decoding, secure metering firmware, and RS485/PLC communication via SCI/CAN. Use Value: Integrated CTSU eliminates external touch controller; TSIP secures firmware updates; dual-bank flash enables zero-downtime field upgrades. |
Use Scenario: Revenue-grade meter with pulse counting, harmonic analysis, and remote firmware validation over PLC or RF mesh. IC Role / Device Role / Timing Role: System-on-chip handling metrology calculations (via FPU), secure key storage (TSIP), RTC-corrected billing timestamps, and SDHI-based log storage. Use Value: On-chip 12-bit dual S12AD supports simultaneous voltage/current sampling; backup RAM preserves billing data during brownouts. |
| Programmable Logic Controller (PLC) I/O Module | Home Energy Gateway |
|
Use Scenario: DIN-rail mounted I/O module with analog inputs, relay outputs, and Modbus TCP/RTU over Ethernet (via external PHY). IC Role / Device Role / Timing Role: Real-time controller executing ladder logic, managing isolated analog/digital I/O via GPIO and timers, and running Modbus stack over SCI/USB. Use Value: 114 GPIO pins with 5-V tolerance simplify interface to legacy sensors; MTU3a PWM outputs drive isolated gate drivers for solid-state relays. |
Use Scenario: Wi-Fi/Zigbee gateway aggregating solar inverter, battery monitor, and smart appliance data for cloud reporting. IC Role / Device Role / Timing Role: Secure edge node performing TLS offload (via TSIP), time-synchronized data buffering (RTC + SDHI), and USB-hosted firmware updates from thumb drives. Use Value: USB 2.0 FS host mode enables plug-and-play field service; QSPIX allows boot from encrypted external flash for secure boot chain extension. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit industrial MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F56718DDLJ#20 | Same RX671 Group, identical package and pinout, but with 1.5 MB code flash and 256 KB SRAM - no dual-bank flash or QSPIX interface. | Suitable for cost-sensitive designs where firmware size <1.5 MB and external serial flash fetch is unnecessary. | Select when full 2 MB flash and QSPIX are not required; retains same peripheral set except QSPIX and reduced RAM. |
| R5F566TEADFP#30 | RX66T Group part in 100-pin LQFP; 160 MHz CPU, 1 MB flash, no TSIP, no SDHI, no QSPIX, but enhanced MTU3 for motor control (3-phase PWM with dead-time compensation). | Targeted at inverter-driven motor control rather than secure HMI/data aggregation; lacks security and storage peripherals. | Choose for high-performance motor control where TSIP, SDHI, and QSPIX are secondary; not drop-in due to different pin count and missing peripherals. |
Compared with R5F56719DDLJ#20, the R5F56718DDLJ#20 offers identical footprint and real-time capability but reduced memory and security features, while the R5F566TEADFP#30 prioritizes motor control timing over cryptographic and storage functions - making R5F56719DDLJ#20 optimal for secure, data-rich embedded gateways.
Availability
R5F56719DDLJ#20 is available at Aetrix Electronics and suitable for industrial HMI panels, smart electricity meters, programmable logic controller I/O modules, and home energy gateways requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F56719DDLJ#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 headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The R5F56719DDLJ#20 belongs to the RX671 Group - a family designed for secure, real-time industrial edge devices requiring functional safety, cryptographic acceleration, and rich connectivity including CAN, USB, SD, and QSPI.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F56719DDLJ#20?
The R5F56719DDLJ#20 operates at a maximum frequency of 120 MHz and achieves 707 CoreMark - measured under conditions specified in the official Renesas datasheet R01DS0373EJ0120. This performance reflects its RXv3 CPU core efficiency, double-precision FPU utilization, and optimized memory subsystem, making R5F56719DDLJ#20 suitable for demanding real-time control tasks without external co-processing.
Does the R5F56719DDLJ#20 support secure firmware updates and cryptographic operations?
Yes, the R5F56719DDLJ#20 integrates Trusted Secure IP (TSIP) supporting AES128/192/256, RSA, ECC, SHA256, TRNG, and hardware key protection. Its dual-bank flash enables background programming while executing from the active bank - allowing authenticated, encrypted firmware updates without system interruption. These capabilities are documented in the R5F56719DDLJ#20 datasheet sections on TSIP and flash memory architecture.
What package type and pin count does the R5F56719DDLJ#20 use?
The R5F56719DDLJ#20 uses the PLQP0144KA-B package: a 144-pin Low-Profile Quad Flat Package measuring 20 × 20 mm with 0.50-mm pitch. This RoHS-compliant, lead-free package supports standard reflow soldering and is validated for industrial temperature range (–40°C to +85°C). Pin compatibility is confirmed per Renesas package drawing LPQP0144KA-B-001.
Which communication interfaces are integrated into the R5F56719DDLJ#20?
The R5F56719DDLJ#20 integrates CAN (2 channels, 32 mailboxes each), USB 2.0 Full-Speed host/function/OTG, SD host interface (SDHI), Quad-SPI (QSPIX), multiple SCI/RSPI/I²C channels, and remote control signal receiver (REMC). These are fully documented in the R5F56719DDLJ#20 datasheet's peripheral overview and electrical characteristics tables - enabling consolidated connectivity in single-chip industrial and energy applications.
Is the R5F56719DDLJ#20 qualified for IEC60730 Class B compliance?
Yes, the R5F56719DDLJ#20 includes hardware features required for IEC60730 Class B: oscillation-stop detection, CRC-A accelerator, independent watchdog timer (IWDTa) with windowing, A/D converter self-diagnostic, and register write protection. These are explicitly listed in the "Useful functions for IEC60730 compliance" section of the R5F56719DDLJ#20 datasheet R01DS0373EJ0120, enabling certified functional safety implementation without external components.
R5F56719DDLJ#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-TFLGA
- Series:
- RX671
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, LINbus, QSPI, SCI, SPI, USB
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 80
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 384K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F56719DDLJ#20 FAQ
1.How can I place an order for R5F56719DDLJ#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56719DDLJ#20 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F56719DDLJ#20 reliable?
The price and inventory of R5F56719DDLJ#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56719DDLJ#20 is usually 5 days.
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Once your R5F56719DDLJ#20 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F56719DDLJ#20?
For technical support, including R5F56719DDLJ#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56719DDLJ#20 requirements.
6.How does Aetrix verify that R5F56719DDLJ#20 is sourced from the original manufacturer or authorized distributors?
All R5F56719DDLJ#20 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F56719DDLJ#20 meets industry standards.
7.What is the process for return or replacement of R5F56719DDLJ#20?
All R5F56719DDLJ#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56719DDLJ#20, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F56719DDLJ#20 part is unused and in its original packaging.
Return procedure for R5F56719DDLJ#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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