Renesas R5F51405BGFN#30
- Part No.:
- R5F51405BGFN#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F51405BGFN#30.pdf
- Description:
- IC MCU 32BIT 128MB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:476
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Product details
Overview
R5F51405BGFN#30 from Renesas is a 32-bit RXv2 core MCU operating at up to 48 MHz, featuring 128 KB on-chip flash, 32 KB SRAM, integrated FPU, 12-bit A/D converter (17+1 channels), dual 8-bit D/A outputs, CAN 2.0B interface, and hardware AES-128/256 encryption - deployed in industrial HMI and smart sensor nodes requiring real-time control and secure local data processing.
For engineers reviewing the R5F51405BGFN#30 datasheet, R5F51405BGFN#30 pinout, R5F51405BGFN#30 application, or R5F51405BGFN#30 equivalent, key selection criteria include its –40°C to +105°C temperature grade, 80-pin LFQFP (PLQP0080KB-B) package with 69 I/Os, low-power software standby mode (0.25 µA), and ELC-driven event-triggered peripheral operation without CPU wake-up.
Technical Context
The R5F51405BGFN#30 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and IEEE-754-compliant 32-bit FPU - enabling deterministic floating-point math for motor control and sensor fusion. Its clock system integrates HOCO (48 MHz ±1%), sub-clock (32.768 kHz), PLL, and CAC for real-time frequency accuracy monitoring.
Peripheral coordination is managed via Event Link Controller (ELC), supporting 48 event sources and enabling timer-triggered A/D conversion, PWM waveform generation, and RSPI transfers while the CPU remains in deep sleep. The MCU includes IEC60730-compliant self-test features for A/D, IWDT, RAM, and clock accuracy - critical for Class B safety certification in industrial equipment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit, 48 MHz max - delivers 204 CoreMark, supports DSP multiply-accumulate and single-cycle 32×32→64-bit multiply. |
| Memory | 128 KB flash (no-wait ≤32 MHz), 32 KB SRAM, 8 KB data flash - enables field firmware updates and parameter storage with 1M erase cycles. |
| Analog Peripherals | 12-bit S12ADE A/D (0.67 µs conversion, 17 external + 1 internal channels), dual 8-bit D/A (0–AVCC0 output), 2-channel CMPB - supports closed-loop analog sensing and actuation. |
| Communication | CAN 2.0B (1 Mbps), 3× SCIg + 2× SCIk + 1× SCIh, 1× RIIC (400 kbps), 1× RSPI (16 Mbps), 1× LIN-capable SCIh - meets multi-protocol industrial bus requirements. |
| Timing & Power | MTU2 (6×16-bit timers), CMT (2×16-bit), LPT (16-bit, sub-clock sourced), 4 low-power modes - achieves 6.2 µs wake-up from software standby with 0.25 µA retention current. |
| Security & Compliance | AESA hardware accelerator (AES-128/256 ECB/CBC/CTR), RNGA, CAC, and IEC60730 diagnostic assist - enables certified functional safety and encrypted firmware/data handling. |
Pinout & Package
Package: PLQP0080KB-B - 80-pin Low-Profile Quad Flat Package, 12 mm × 12 mm, 0.5 mm pitch, lead-free, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC (1.8–5.5 V main supply), VCL (internal LDO bypass capacitor node). |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 1–20 MHz external crystals; EXTAL accepts external clock input for precise timing source selection. |
| RES# | Active-low reset input | Asynchronous hardware reset with built-in debouncing; initiates full system initialization sequence. |
| MTIOC0A–MTIOC4D | MTU2 waveform I/O | 66 dedicated pins for complementary PWM, phase counting, and input capture - enables 3-phase motor control with dead-time insertion. |
| RXD1/TXD1, RXD5/TXD5, etc. | SCI asynchronous serial I/O | 6 independent SCI channels with configurable baud rate generators, supporting RS-232/485 transceiver interfacing and LIN protocol framing. |
| CANH / CANL | CAN bus differential pair | ISO 11898-1-compliant physical layer interface - requires external CAN transceiver (e.g., RAA120010) for bus connection. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Enables 48 event sources to trigger peripheral actions (e.g., A/D start, PWM reload) without CPU intervention - reduces latency and power in sensor polling loops. |
| Capacitive Touch Sensing Unit (CTSU2SL) | Supports 36 self-capacitance keys or 64 mutual-capacitance keys - eliminates external touch controller IC in HMI designs with noise-immune scanning. |
| Real-Time Clock (RTCB) | Sub-clock-sourced calendar counter with leap-year correction and alarm interrupt - provides accurate timekeeping during software standby mode. |
| Low-Power Timer (LPTa) | 16-bit timer running on sub-clock or IWDT oscillator - generates periodic wake-up events (e.g., sensor sampling every 100 ms) with <1 µA active current. |
| Hardware Encryption (AESA) | FIPS PUB 197-compliant AES engine executing 128-bit keys in 176 cycles - accelerates secure boot, OTA update decryption, and data-at-rest protection. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
|
Use Scenario: Closed-loop speed/position control of BLDC motors in HVAC actuators and conveyor drives. IC Role / Device Role / Timing Role: Primary controller executing FOC algorithm via RXv2 FPU, generating 6-channel complementary PWM via MTU2, and sampling current/voltage via 12-bit A/D with double-trigger synchronization. Use Value: 0.67 µs A/D conversion and ELC-triggered PWM reload ensure <1 µs timing jitter - critical for torque ripple reduction below 3% THD. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ with wireless telemetry. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition (A/D, TEMPSA), local data encryption (AESA), RTC timestamping, and low-power RSPI communication to LoRaWAN module. Use Value: 0.25 µA software standby current and 6.2 µs wake-up enable >5-year battery life on CR2032 with hourly measurements. |
| Human-Machine Interface | IEC60730-Class B Appliance Control |
|
Use Scenario: Touch-enabled front panel for commercial kitchen appliances with LED backlight dimming and buzzer feedback. IC Role / Device Role / Timing Role: CTSU2SL touch controller driving 24-key overlay, dual D/A outputs for analog dimming/buzzer tone, and SCI-based display interface. Use Value: Integrated 36-key capacitive sensing eliminates external touch ASIC and reduces BOM cost by $0.42 per unit. |
Use Scenario: Safety-critical thermal cutoff and door interlock logic in washing machines and dishwashers. IC Role / Device Role / Timing Role: Certified control unit performing RAM BIST, A/D self-test, clock accuracy validation (CAC), and IWDT supervision per IEC60730 Annex H. Use Value: Hardware-assisted diagnostics reduce software test coverage burden by 70%, accelerating Class B certification cycle by 4–6 weeks. |
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 |
|---|---|---|---|
| R5F51405ADFN#30 | No AES/RNG hardware; same 128 KB flash, 32 KB RAM, and –40°C to +85°C rating. | Suitable for cost-sensitive non-security applications like basic PLC I/O modules where encryption is not required. | Select when security compliance is unnecessary and ambient temperature stays ≤85°C. |
| R5F51406BGFN#30 | 256 KB flash, 64 KB RAM, 8 KB data flash - identical encryption, temperature grade, and peripheral set. | Required for larger firmware images (e.g., embedded web server + OTA stack) or extended data logging buffers in predictive maintenance gateways. | Choose when firmware size exceeds 128 KB or SRAM usage exceeds 32 KB in real-time control tasks. |
Compared with R5F51405ADFN#30, the R5F51405BGFN#30 adds hardware AES/RNG and extends temperature range to +105°C - essential for under-hood automotive-adjacent industrial enclosures. Against R5F51406BGFN#30, it trades memory capacity for lower cost and footprint in resource-constrained edge nodes.
Availability
R5F51405BGFN#30 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, HMI panels, and IEC60730-certified appliance controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F51405BGFN#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, and power solutions for industrial, automotive, and IoT markets - with over 40 years of MCU innovation and ISO/IEC 17025-accredited reliability testing.
The RX140 Group targets cost-optimized, safety-aware industrial applications - delivering high-performance 32-bit control with integrated security, low-power operation, and comprehensive IEC60730 diagnostic support in compact packages.
FAQ
What is the maximum operating frequency and core type of the R5F51405BGFN#30?
The R5F51405BGFN#30 features a 32-bit RXv2 CPU core with a maximum operating frequency of 48 MHz, achieving 204 CoreMark performance. It includes an IEEE-754-compliant 32-bit floating-point unit and enhanced DSP instructions - making it suitable for real-time signal processing in industrial control applications where deterministic execution is critical.
Does the R5F51405BGFN#30 support hardware encryption, and what algorithms are implemented?
Yes, the R5F51405BGFN#30 includes the AESA hardware accelerator supporting AES-128 and AES-256 in ECB, CBC, and CTR modes, compliant with FIPS PUB 197. It also integrates the RNGA true random number generator. These features are enabled because the part number suffix 'B' denotes inclusion of the encryption module - essential for secure boot and encrypted data storage in connected industrial devices.
What package type and pin count does the R5F51405BGFN#30 use?
The R5F51405BGFN#30 uses the PLQP0080KB-B package: an 80-pin Low-Profile Quad Flat Package measuring 12 mm × 12 mm with 0.5 mm pitch. This package provides 69 general-purpose I/O pins, 4 5-V-tolerant inputs, and 47 open-drain outputs - optimized for high-density industrial PCB layouts requiring robust signal routing and thermal dissipation.
What is the operating temperature range specified for the R5F51405BGFN#30?
The R5F51405BGFN#30 is rated for an operating ambient temperature range of –40°C to +105°C, indicated by the 'G' in its part number. This extended grade supports deployment in harsh environments such as factory-floor motor drives, outdoor smart meters, and under-hood industrial enclosures where thermal stability and long-term reliability are mandatory.
How many A/D converter channels does the R5F51405BGFN#30 support, and what is its conversion speed?
The R5F51405BGFN#30 integrates the S12ADE 12-bit A/D converter with 17 external input channels and 1 internal channel (temperature sensor), for a total of 18 channels. At maximum ADCLK of 48 MHz, it achieves a minimum conversion time of 0.67 µs per channel - enabling high-speed sampling for motor current sensing and real-time control loop execution.
R5F51405BGFN#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RX140
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- AES, Capacitive Touch, DMA, LVD, POR, PWM, Temp Sensor, TRNG, WDT
- Number of I/O:
- 69
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 18x12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F51405BGFN#30 FAQ
1.How can I place an order for R5F51405BGFN#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F51405BGFN#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 R5F51405BGFN#30 reliable?
The price and inventory of R5F51405BGFN#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F51405BGFN#30 is usually 5 days.
3.What payment methods are accepted for R5F51405BGFN#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F51405BGFN#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F51405BGFN#30?
R5F51405BGFN#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F51405BGFN#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 R5F51405BGFN#30?
For technical support, including R5F51405BGFN#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F51405BGFN#30 requirements.
6.How does Aetrix verify that R5F51405BGFN#30 is sourced from the original manufacturer or authorized distributors?
All R5F51405BGFN#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 R5F51405BGFN#30 meets industry standards.
7.What is the process for return or replacement of R5F51405BGFN#30?
All R5F51405BGFN#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F51405BGFN#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 R5F51405BGFN#30 part is unused and in its original packaging.
Return procedure for R5F51405BGFN#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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