Renesas R5F51403ADFK#30
- Part No.:
- R5F51403ADFK#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F51403ADFK#30.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F51403ADFK#30 from Renesas is a 32-bit RXv2 core MCU operating at up to 48 MHz, featuring 64 KB flash, 16 KB SRAM, 4 KB data flash, 12-bit A/D converter (11 external channels), and dual 8-bit D/A outputs. It integrates CAN, SCI, I²C, RSPI, capacitive touch sensing (32 keys), RTC, low-power timer, and operates from 1.8–5.5 V in industrial temperature range (–40 to +85°C).
For engineers reviewing the R5F51403ADFK#30 datasheet, R5F51403ADFK#30 pinout, R5F51403ADFK#30 application, or R5F51403ADFK#30 equivalent, key selection criteria include its LQFP-64 (0.8 mm pitch) package, absence of on-chip RTC and encryption modules, 11-channel A/D configuration, and support for IEC60730-compliant safety functions in cost-sensitive industrial control designs.
Technical Context
The R5F51403ADFK#30 implements the RXv2 CPU core with IEEE-754-compliant 32-bit FPU, 204 CoreMark score at 48 MHz, and CISC Harvard architecture with 5-stage pipeline. Its memory subsystem includes no-wait-state SRAM and flash with 1- or 2-cycle access depending on clock frequency.
Peripheral integration centers on event-driven operation via ELC, enabling module-to-module linkage without CPU intervention. The MCU supports four low-power modes-including software standby with 0.25 µA typical current and 6.2 µs wake-up-and features dedicated low-speed oscillators for IWDT and LPT, decoupling timing-critical functions from main clock stability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC core with 5-stage pipeline, 204 CoreMark @ 48 MHz |
| Max Operating Frequency | 48 MHz system clock (ICLK), enabling real-time deterministic execution |
| Memory | 64 KB on-chip flash (programmable at 1.8 V), 16 KB SRAM, 4 KB data flash (1M erase cycles) |
| Analog Peripherals | 12-bit A/D converter with 11 external input channels, 0.67 µs conversion time, sampling time per channel |
| Digital Interfaces | CAN 2.0B (1 Mbps), 3× SCI (asynchronous/clock-sync/SmartCard), 1× I²C (400 kbps), 1× RSPI (16 Mbps) |
| Power & Temp | 1.8–5.5 V single supply; –40 to +85°C operating range; 0.25 µA software standby current (typ.) |
| Package | LQFP-64, 14 × 14 mm, 0.8 mm pitch, lead-free and RoHS compliant |
Pinout & Package
LQFP-64 package (PLQP0064GA-A), 14 × 14 mm body, 0.8 mm pitch, exposed pad not present, moisture sensitivity level (MSL) 3 per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply and ground | Single 1.8–5.5 V rail; decoupling required per datasheet layout guidelines |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 1–20 MHz external crystals; enables precise clock source for USB/CAN timing |
| RES# | Active-low reset input | Asynchronous hardware reset; compatible with open-drain pushbutton or supervisor IC |
| IRQ0–IRQ7 | External interrupt inputs | Eight configurable edge-triggered interrupts; usable for emergency stop, sensor edges, or encoder signals |
| MTIOC0A–MTIOC4D | PWM/complementary output pins | Support motor control with dead-time insertion via POE2; phase counting for position feedback |
| RXD1/TXD1, RXD5/TXD5 | SCI asynchronous serial I/O | Two full-duplex UART channels with programmable baud rate generators and LIN support |
| SCL0/SDA0 | I²C bus interface | Open-drain pins supporting standard/fast-mode I²C (400 kbps) and SMBus protocol |
| CAN_TX/CAN_RX | CAN transceiver interface | Differential pair for ISO 11898-1 compliant CAN bus; requires external transceiver (e.g., TJA1042) |
| AD00–AD10 | A/D converter analog inputs | 11 dedicated external analog input pins; internal temperature sensor shared with AD11 |
| DA0/DA1 | Digital-to-analog outputs | Two 8-bit voltage-output DACs (0–AVCC0); suitable for biasing, calibration, or analog waveform generation |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE-754 single-precision hardware accelerator enabling fast math for motor control or sensor fusion |
| Capacitive touch sensing (CTSU2SL) | Supports up to 32 self-capacitance keys on this LQFP-64 variant-ideal for HMI panels with minimal GPIO overhead |
| Event Link Controller (ELC) | Enables autonomous peripheral chaining (e.g., timer-triggered A/D conversion → DMA transfer → interrupt) without CPU wake-up |
| IEC60730 safety support | Hardware-assisted RAM test, A/D disconnection detection, and clock accuracy monitoring reduce Class B certification effort |
| Low-power timer (LPT) | 16-bit counter running during software standby mode using sub-clock or IWDT oscillator-enables periodic wake-up at µA-level power |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Brushless DC motor drive in HVAC blowers or pump controllers requiring closed-loop speed regulation and fault protection. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM generation via MTU2, reading current/voltage via 12-bit A/D, and communicating status over CAN. Use Value: 48 MHz RXv2 core with FPU delivers real-time computation margin; 11-channel A/D supports simultaneous phase current and DC-link voltage sampling. | Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and air quality with local decision-making and wireless upload. IC Role / Device Role / Timing Role: System-on-chip host managing sensor interfaces (I²C, analog), performing data preprocessing, and entering ultra-low-power standby between measurements. Use Value: 0.25 µA software standby current and 6.2 µs wake-up enable multi-year battery life; integrated temperature sensor reduces BOM count. |
| Human-Machine Interface | Industrial PLC I/O Module |
Use Scenario: Touch-enabled operator panel for machinery with backlight dimming, button feedback, and status LED control. IC Role / Device Role / Timing Role: Dedicated CTSU2SL touch controller interfacing with up to 32 electrodes, driving PWM outputs for LED dimming, and handling UART communication to main controller. Use Value: On-chip CTSU eliminates external touch controller IC; 32-key capacity covers full QWERTY or function-key layouts in compact LQFP-64 footprint. | Use Scenario: DIN-rail mounted digital I/O expansion module for legacy PLC systems, adding isolated inputs/outputs with diagnostics. IC Role / Device Role / Timing Role: Local intelligence layer acquiring field signals (via A/D or GPIO), validating integrity (LVD, CRC), and reporting over RS485/SCI to master PLC. Use Value: IEC60730 compliance features (RAM test, A/D self-check) satisfy functional safety requirements; 5-V tolerant GPIO simplifies interface to industrial sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F51403ADFM#30 | LFQFP-64 (0.5 mm pitch), same memory/config but different package footprint and thermal characteristics | Preferred where board space is constrained and finer-pitch assembly is available | Select when PCB layout supports 0.5 mm pitch and higher thermal dissipation is needed |
| R5F51403ADFL#30 | LFQFP-48 (0.5 mm pitch), reduced I/O count (39 pins), 11-channel A/D retained, no CAN module | Suitable for simpler control tasks without fieldbus connectivity or high pin count | Choose for cost-optimized designs where CAN is unnecessary and board area is premium |
Compared with R5F51403ADFK#30, R5F51403ADFM#30 offers identical functionality in a smaller 0.5 mm pitch package requiring tighter layout tolerances, while R5F51403ADFL#30 trades CAN and 15 fewer GPIOs for lower cost and smaller footprint-making it viable only where fieldbus is omitted and I/O demand is reduced.
Availability
R5F51403ADFK#30 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, human-machine interfaces, and PLC I/O modules requiring stable component supply across extended product lifecycles.
Supply support for R5F51403ADFK#30 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 RX140 Group targets cost-sensitive industrial and consumer applications requiring robust real-time performance, functional safety support, and rich analog/motor control peripherals-all within compact packages like LQFP-64.
FAQ
What is the maximum operating frequency and core type of the R5F51403ADFK#30?
The R5F51403ADFK#30 features a 32-bit RXv2 CPU core with a maximum operating frequency of 48 MHz. It achieves 204 CoreMark at this speed and includes hardware floating-point and DSP instructions. This performance level supports real-time control algorithms in motor drives and sensor processing without external co-processors.
Does the R5F51403ADFK#30 include an on-chip real-time clock (RTC)?
No, the R5F51403ADFK#30 does not include an on-chip RTC. According to Table 1.2 in the datasheet, RTC functionality is unavailable in 64-pin LQFP (PLQP0064GA-A) variants like R5F51403ADFK#30. RTC is only supported in 80-pin and certain 64-pin LFQFP packages. Designers requiring calendar/timekeeping must add an external RTC or use the low-power timer with sub-clock oscillator for basic timekeeping.
What are the flash and RAM capacities of the R5F51403ADFK#30?
The R5F51403ADFK#30 integrates 64 KB of on-chip flash memory for program storage, 16 KB of SRAM for runtime data, and 4 KB of data flash rated for 1,000,000 program/erase cycles. These capacities are fixed for this part number and align with the "3" suffix in the Renesas naming convention, indicating 64K/16K/4K memory configuration.
Which communication interfaces are supported by the R5F51403ADFK#30?
The R5F51403ADFK#30 supports CAN 2.0B (1 Mbps), three SCI channels (with LIN and SmartCard modes), one I²C interface (400 kbps), and one RSPI channel (16 Mbps). Notably, it lacks the fourth SCI channel and second RSPI found in larger RX140 variants, but retains full CAN capability essential for industrial networking.
Is the R5F51403ADFK#30 suitable for IEC60730 Class B safety compliance?
Yes, the R5F51403ADFK#30 includes hardware features specifically designed to assist IEC60730 Class B compliance, including RAM test assistance via DOC, A/D converter self-diagnostic and disconnection detection, clock frequency accuracy measurement (CAC), and independent watchdog timer with dedicated oscillator. These reduce software validation burden and support safe failure detection in household and industrial appliances.
R5F51403ADFK#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RX140
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- I2C, SCI, SPI
- Peripherals:
- Capacitive Touch, DMA, LVD, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 53
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 15x12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F51403ADFK#30 FAQ
1.How can I place an order for R5F51403ADFK#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F51403ADFK#30 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 R5F51403ADFK#30 reliable?
The price and inventory of R5F51403ADFK#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F51403ADFK#30 is usually 5 days.
3.What payment methods are accepted for R5F51403ADFK#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F51403ADFK#30 transactions.
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R5F51403ADFK#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F51403ADFK#30 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 R5F51403ADFK#30?
For technical support, including R5F51403ADFK#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F51403ADFK#30 requirements.
6.How does Aetrix verify that R5F51403ADFK#30 is sourced from the original manufacturer or authorized distributors?
All R5F51403ADFK#30 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 R5F51403ADFK#30 meets industry standards.
7.What is the process for return or replacement of R5F51403ADFK#30?
All R5F51403ADFK#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F51403ADFK#30, 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 R5F51403ADFK#30 part is unused and in its original packaging.
Return procedure for R5F51403ADFK#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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