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Renesas R5F51406BGFN#10
- Part No.:
- R5F51406BGFN#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F51406BGFN#10.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
R5F51406BGFN#10 from Renesas is a 32-bit RXv2 core microcontroller operating at up to 48 MHz, featuring 256 KB on-chip flash, 64 KB SRAM, 8 KB data flash, integrated FPU, AES-128/256 hardware accelerator, and CAN 2.0B compliance - deployed in industrial motor control and smart sensor nodes requiring deterministic real-time response and secure firmware updates.
For engineers reviewing the R5F51406BGFN#10 datasheet, R5F51406BGFN#10 pinout, R5F51406BGFN#10 application, or R5F51406BGFN#10 equivalent, key selection criteria include its –40°C to +105°C extended temperature rating, 1.8–5.5 V single-supply operation, 0.25 µA software standby current, 6.2 µs wake-up time, and 17-channel 12-bit ADC with 0.67 µs conversion time.
Technical Context
The R5F51406BGFN#10 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and 204 CoreMark performance at 48 MHz. It integrates an IEEE-754-compliant 32-bit floating-point unit and a dedicated 32-bit divider completing division in two clock cycles.
Its peripheral subsystem includes a 1-channel CAN module (ISO 11898-1, up to 1 Mbps), 6-channel SCI (including LIN-capable SCIh), 1-channel RIIC (I²C/SMBus), 1-channel RSPI (up to 16 Mbps), and ELC-driven event-triggered operation enabling CPU-sleeping concurrent peripheral coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit CISC with 5-stage pipeline, 204 CoreMark @ 48 MHz |
| Max Operating Frequency | 48 MHz system clock (ICLK), with PCLKB up to 32 MHz and FCLK up to 48 MHz |
| Memory | 256 KB flash (no-wait ≤32 MHz), 64 KB SRAM, 8 KB data flash (1M erase/program cycles) |
| Analog Peripherals | 12-bit S12ADE ADC (17 external + 1 internal channels, 0.67 µs conversion), 2×8-bit DAC, 2×CMPB comparators |
| Communication | 1×CAN 2.0B, 6×SCI (including LIN/SCIF), 1×RIIC (400 kbps), 1×RSPI (16 Mbps), 1×I²C-compatible interface |
| Security & Timing | AESA hardware accelerator (AES-128/256), RNGA true random generator, RTC with calendar mode, CAC clock accuracy measurement |
| Power & Temp | 1.8–5.5 V supply, 0.25 µA software standby (25°C), –40°C to +105°C operating range (G-grade) |
Pinout & Package
Package: PLQP0080KB-B - 80-pin LFQFP, 12 × 12 mm body, 0.5 mm pitch, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: VCC for I/O and core logic; VSS reference return path with local 4.7 µF decoupling at VCL |
| XTAL / EXTAL | Main crystal oscillator interface | Supports 1–20 MHz external crystal or clock source; enables precise timing for real-time control loops |
| XCIN / XCOUT | Sub-clock oscillator interface | 32.768 kHz crystal connection for RTC calendar mode and low-power timer operation |
| RES# | Active-low reset input | Asynchronous hardware reset with built-in debounce; initiates full system initialization sequence |
| MTIOC0A–D | MTU2 channel 0 waveform I/O | Four complementary PWM output pins supporting phase-counting and motor control commutation |
| SCI1_TXD / SCI1_RXD | Asynchronous serial interface | Full-duplex UART channel with fine-adjustable baud rate (0–255/255) for host diagnostics or sensor telemetry |
| CAN_TX / CAN_RX | CAN physical layer interface | Differential bus transceiver pins compliant with ISO 11898-1; require external CAN transceiver for bus connection |
| AD00–AD16 | Analog input channels | 17 dedicated analog input pins with per-channel sampling time configuration and disconnection detection |
| DA0 / DA1 | Digital-to-analog outputs | Two independent 8-bit voltage-output DACs referenced to AVCC0, usable for bias generation or analog feedback |
| CTSU0–CTSU35 | Capacitive touch sensing inputs | Up to 36 self-capacitance keys or 64 mutual-capacitance matrix keys; supports automatic correction and judgment |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE-754 single-precision hardware acceleration enabling real-time filtering and sensor fusion without software emulation overhead |
| Event Link Controller (ELC) | Direct hardware routing of 48 event signals between peripherals (e.g., MTU trigger → ADC start), eliminating CPU interrupt latency |
| Data Transfer Controller (DTC) | Five transfer modes including block and repeat; reduces DMA setup overhead for high-throughput sensor or communication buffers |
| IEC 60730 Class B support | Integrated self-test functions for ADC, clock accuracy (CAC), IWDT, RAM (via DOC), and analog input disconnection detection |
| Encryption acceleration | AESA hardware engine performs AES-128 in 176 cycles and AES-256 in 240 cycles, enabling secure OTA firmware updates with minimal CPU load |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop BLDC motor drive with field-oriented control (FOC) in HVAC blowers or pump systems. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms via RXv2 core + FPU, synchronized PWM generation using MTU2, and ADC sampling triggered by ELC. Use Value: 0.67 µs ADC conversion and 6.2 µs wake-up enable sub-millisecond current loop response; 48 MHz deterministic timing ensures consistent torque ripple suppression. | Use Scenario: Battery-powered environmental sensor hub aggregating temperature, humidity, and air quality data with edge analytics. IC Role / Device Role / Timing Role: Low-power coordinator managing sensor polling, data fusion, secure transmission via SCI/RSPI, and encrypted storage in data flash. Use Value: 0.25 µA software standby current extends battery life; AES hardware acceleration secures OTA updates without compromising runtime efficiency. |
| Automotive Body Electronics | Home Appliance HMI |
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with LIN communication to body controller. IC Role / Device Role / Timing Role: LIN protocol stack execution on SCIh, PWM-driven motor drivers, and fault monitoring via LVD and IWDT. Use Value: –40°C to +105°C rating ensures reliability under hood conditions; IEC 60730 diagnostics satisfy automotive functional safety requirements. | Use Scenario: Touch-enabled microwave oven or washing machine control panel with proximity wake-up and gesture recognition. IC Role / Device Role / Timing Role: Capacitive touch sensing (CTSU2SL) with self- and mutual-capacitance modes, real-time touch processing, and display interface via GPIO/SCI. Use Value: Support for up to 36 self-capacitance keys or 64 mutual-capacitance keys enables robust multi-touch UI; automatic correction maintains accuracy across temperature and humidity variations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F51406ADFN#30 | Same RX140 Group, identical peripherals and pinout, but rated for –40°C to +85°C and lacks AES/RNG hardware | Suitable for commercial-temperature industrial controls without security-critical firmware updates | Select when extended temperature and cryptographic acceleration are not required; lower cost and same footprint |
| R5F51405BGFN#30 | Same package and temperature grade, but reduced memory: 128 KB flash / 32 KB RAM / no data flash | Targeted at cost-sensitive applications with simpler firmware and no need for background EEPROM-like storage | Choose for streamlined designs where 256 KB flash and 8 KB data flash overhead are unnecessary |
Compared with R5F51406ADFN#30, the R5F51406BGFN#10 adds extended temperature operation and hardware encryption - critical for under-hood or secure IoT deployments; versus R5F51405BGFN#30, it provides double flash/RAM capacity and data flash endurance for complex control algorithms and field-upgradable parameters.
Availability
R5F51406BGFN#10 is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart sensor nodes, and home appliance HMI requiring stable component supply across extended temperature and security-critical use cases.
Supply support for R5F51406BGFN#10 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 industrial, automotive, and enterprise markets.
The RX140 Group targets cost-optimized, high-integrity embedded applications demanding real-time performance, low-power operation, and functional safety support - especially in motor control, sensing, and human-machine interfaces.
FAQ
What is the maximum operating frequency and core type of the R5F51406BGFN#10?
The R5F51406BGFN#10 features a 32-bit RXv2 CPU core with a maximum operating frequency of 48 MHz. It achieves 204 CoreMark performance at this speed and includes a 5-stage pipeline, variable-length instruction set, and IEEE-754-compliant floating-point unit. The R5F51406BGFN#10 supports no-wait-state access to flash memory up to 32 MHz and one-wait-state access up to 48 MHz.
Does the R5F51406BGFN#10 include hardware encryption capabilities?
Yes, the R5F51406BGFN#10 integrates an Advanced Encryption Standard hardware accelerator (AESA) supporting AES-128 and AES-256 in ECB, CBC, and CTR modes, plus a True Random Number Generator (RNGA). These modules are enabled in the B-grade variant and are used for secure boot, encrypted firmware updates, and cryptographic key generation - all without burdening the RXv2 core. The R5F51406BGFN#10 implements FIPS PUB 197 compliance.
What is the operating temperature range and supply voltage specification for the R5F51406BGFN#10?
The R5F51406BGFN#10 is rated for –40°C to +105°C operation (G-grade), making it suitable for under-hood automotive and industrial environments. It operates from a single 1.8 V to 5.5 V supply, supporting direct interfacing with both 3.3 V and 5 V peripherals. Its low-power design delivers 58 µA/MHz in high-speed mode and just 0.25 µA in software standby mode at 25°C.
How many analog-to-digital converter channels does the R5F51406BGFN#10 support, and what is its conversion speed?
The R5F51406BGFN#10 integrates a 12-bit S12ADE analog-to-digital converter with 17 external input channels and one internal channel (temperature sensor). At maximum ADCLK of 48 MHz, it achieves a minimum conversion time of 0.67 µs per channel. The R5F51406BGFN#10 supports per-channel sampling time configuration, conversion result comparison, and analog input disconnection detection - essential for motor current sensing and sensor health monitoring.
Is the R5F51406BGFN#10 pin-compatible with other RX140 Group devices in the same package?
Yes, the R5F51406BGFN#10 uses the PLQP0080KB-B (80-pin LFQFP) package and shares identical pinout and electrical characteristics with other RX140 Group members in that package, including R5F51406ADFN#30 and R5F51405BGFN#30. This allows drop-in replacement for memory or feature upgrades - provided firmware accounts for differences in flash size, data flash presence, and optional peripherals like AES/RNG.
R5F51406BGFN#10 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:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 64K 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:
R5F51406BGFN#10 FAQ
1.How can I place an order for R5F51406BGFN#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F51406BGFN#10 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 R5F51406BGFN#10 reliable?
The price and inventory of R5F51406BGFN#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F51406BGFN#10 is usually 5 days.
3.What payment methods are accepted for R5F51406BGFN#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F51406BGFN#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F51406BGFN#10?
R5F51406BGFN#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F51406BGFN#10 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 R5F51406BGFN#10?
For technical support, including R5F51406BGFN#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F51406BGFN#10 requirements.
6.How does Aetrix verify that R5F51406BGFN#10 is sourced from the original manufacturer or authorized distributors?
All R5F51406BGFN#10 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 R5F51406BGFN#10 meets industry standards.
7.What is the process for return or replacement of R5F51406BGFN#10?
All R5F51406BGFN#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F51406BGFN#10, 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 R5F51406BGFN#10 part is unused and in its original packaging.
Return procedure for R5F51406BGFN#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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