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Renesas R5F101MJDFB#V0
- Part No.:
- R5F101MJDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F101MJDFB#V0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,041
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Product details
Overview
R5F101MJDFB#V0 from Renesas is an RL78/G13 16-bit microcontroller with 192 KB flash memory, 8 KB data flash, 16 KB RAM, and 80-pin LFQFP (0.5 mm pitch) package. It operates from 1.6 V to 5.5 V, delivers 41 DMIPS at 32 MHz, and supports ultra-low-power modes including STOP (0.57 μA with RTC + LVD) and HALT. It targets industrial control systems requiring robust timing, analog sensing, and serial connectivity.
For engineers reviewing the R5F101MJDFB#V0 datasheet, R5F101MJDFB#V0 pinout, R5F101MJDFB#V0 application, or R5F101MJDFB#V0 equivalent, key selection criteria include its 80-pin LFQFP-0.5mm footprint, absence of on-chip data flash (R5F101x series), -40°C to +85°C industrial temperature grade (D suffix), and integrated 10-bit ADC with 26 channels, RTC, and multiple UART/I²C/CSI interfaces.
Technical Context
The R5F101MJDFB#V0 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, real-time clock with calendar/alarm functions, and watchdog timer powered by a dedicated low-speed oscillator.
Its peripheral set includes up to 16 channels of 16-bit timers, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN channels, 2–8 CSI (SPI-compatible) channels, and an 8/10-bit A/D converter with internal 1.45 V reference and temperature sensor - all operating across the full 1.6–5.5 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time control with low power overhead. |
| Max Operating Frequency | 32 MHz; delivers 41 DMIPS for balanced performance in cost-sensitive industrial applications. |
| Flash Memory | 192 KB code flash; sufficient for complex firmware with bootloader, communication stacks, and safety routines. |
| Data Flash | None (R5F101x series); non-volatile parameter storage must be implemented externally or via EEPROM emulation in code flash. |
| RAM Size | 16 KB on-chip RAM; supports multitasking RTOS, large buffers for serial protocols, and real-time signal processing. |
| Supply Voltage Range | 1.6 V to 5.5 V; allows direct interface with 1.8 V, 2.5 V, 3.3 V, and 5 V peripherals without level shifters. |
| Low-Power Modes | STOP mode draws 0.57 μA (RTC + LVD active); enables battery-backed operation for >10-year shelf life in metering devices. |
Pinout & Package
Package: 80-pin LFQFP, 12 mm × 12 mm, 0.5 mm pitch, exposed pad (PLQP0080KE-A), RoHS-compliant, industrial-grade (D suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O domain operation; decoupling required per Renesas layout guidelines. |
| P10/SCK00/SCL00 | Port 10 / SPI clock / I²C clock | Multi-function pin enabling hardware SPI master/slave or I²C bus communication without GPIO bit-banging. |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI input / UART receive / debug RX / I²C data | Shared debug (TOOLRxD) and dual-protocol (SPI/I²C/UART) capability simplifies board bring-up and reduces pin count. |
| P20/ANI0/AVREFP | Analog input 0 / ADC reference positive | Configurable as ADC channel or external reference input; supports ratiometric sensor measurements with precision. |
| P21/ANI1/AVREFM | Analog input 1 / ADC reference negative | Enables differential ADC measurements or external reference biasing for improved noise immunity. |
| RESET | Active-low reset input | Accepts external reset signals; internally tied to POR and LVD circuits for fail-safe system initialization. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA with RTC + LVD active enables decade-long battery operation in smart sensors and utility meters. |
| On-chip voltage detector (LVD) | 14 programmable threshold levels allow precise brown-out detection and graceful shutdown before data corruption. |
| Background operation (BGO) | Not applicable - R5F101x lacks data flash; BGO is only relevant for R5F100x parts with embedded data flash. |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate motor control and filtering algorithms. |
| Real-time clock (RTC) | Calendar function (99-year range), alarm, and clock correction support time-stamped logging and scheduled wake-up events. |
| DMA controller | 4-channel DMA reduces CPU load during high-bandwidth transfers (e.g., ADC-to-memory, UART-to-buffer). |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
|
Use Scenario: Closed-loop speed and position control of BLDC motors in HVAC actuators and factory automation drives. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithms, PWM generation, fault monitoring, and CAN/UART communication. Use Value: 41 DMIPS + hardware multiplier + 16-bit timers enable real-time current/voltage sampling and PWM update within <1 μs jitter. |
Use Scenario: Residential and commercial electricity/water/gas meters with metrology, tamper detection, and PLC/RF communication. IC Role / Device Role / Timing Role: System-on-chip managing ADC sampling, RTC-based billing intervals, secure data logging, and serial interface to communication modules. Use Value: 0.57 μA STOP mode extends battery life beyond 10 years; 26-channel ADC supports multi-sensor metrology with internal reference. |
| Building Automation Sensors | Industrial HMI Panels |
|
Use Scenario: Wireless temperature/humidity/CO₂ sensor nodes with BLE or sub-GHz RF transceivers and local display. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog/digital inputs, running calibration algorithms, and managing low-power wireless transmission bursts. Use Value: 1.6–5.5 V operation interfaces directly with LiSOCl₂ batteries (3.6 V) and energy harvesters (1.8–2.5 V); SNOOZE mode enables event-driven wake-up. |
Use Scenario: Touch-enabled operator panels for PLCs, CNC machines, and packaging equipment with local logic and status visualization. IC Role / Device Role / Timing Role: Local controller handling button debouncing, LED/display driving, serial protocol translation (Modbus RTU/ASCII), and watchdog supervision. Use Value: 80-pin LFQFP provides ample GPIO for matrix keypad, segment LCD, and isolated I/O; UART/LIN support enables legacy fieldbus integration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100MJDFB#V0 | Includes 8 KB data flash; same 192 KB code flash, 16 KB RAM, and peripheral set. | Preferred where EEPROM-like non-volatile storage is required for calibration data or configuration without external components. | Select when data retention during power loss is critical and flash wear-leveling via software is undesirable. |
| R5F101MJAFB#V0 | Same R5F101x series but in 80-pin LQFP (0.65 mm pitch, PLQP0080JA-A); identical memory/peripherals/temperature grade. | Better suited for legacy PCB designs using standard 0.65 mm pitch footprints or where thermal pad soldering is not feasible. | Choose for compatibility with existing LQFP-0.65mm layouts or simplified assembly processes without exposed-pad reflow requirements. |
Compared with R5F100MJDFB#V0, the R5F101MJDFB#V0 trades integrated data flash for lower cost and simpler firmware management, while R5F101MJAFB#V0 offers identical functionality in a more widely supported LQFP package - making it ideal for design reuse and manufacturing flexibility.
Availability
R5F101MJDFB#V0 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, building automation sensors, and industrial HMI panels requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for R5F101MJDFB#V0 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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive industrial and consumer applications requiring extended battery life, rich analog integration, and robust real-time control.
FAQ
What is the operating temperature range for R5F101MJDFB#V0?
The R5F101MJDFB#V0 is rated for industrial operation from –40°C to +85°C (D-grade), validated across the full voltage range (1.6 V to 5.5 V) and all low-power modes. This makes R5F101MJDFB#V0 suitable for deployment in harsh environments such as factory floors, outdoor utility enclosures, and HVAC systems without thermal derating.
Does R5F101MJDFB#V0 include on-chip data flash memory?
No, R5F101MJDFB#V0 does not include on-chip data flash memory. The "101" in the part number explicitly denotes the R5F101x series, which omits data flash. Firmware must implement EEPROM emulation in code flash or use external non-volatile memory for parameter storage. This differs from the R5F100x series (e.g., R5F100MJDFB#V0), which includes 8 KB of dedicated data flash.
What package type and footprint does R5F101MJDFB#V0 use?
R5F101MJDFB#V0 uses an 80-pin LFQFP package with 0.5 mm pitch and 12 mm × 12 mm body size (PLQP0080KE-A), featuring an exposed thermal pad. The "FB" suffix confirms LFQFP, and "#V0" indicates tray packaging. This fine-pitch QFP requires controlled soldering profiles due to the thermal pad but offers superior thermal performance versus standard LQFP.
Which communication interfaces are supported by R5F101MJDFB#V0?
R5F101MJDFB#V0 supports up to 4 UART/LIN channels, 3–10 I²C/Simplified I²C channels, and 2–8 CSI (SPI-compatible) channels. All interfaces are fully hardware-accelerated, with independent clock sources and configurable pins. No software bit-banging is needed - enabling simultaneous Modbus RTU, sensor I²C reads, and SPI display updates without CPU overhead.
How does the low-power performance of R5F101MJDFB#V0 compare to similar MCUs?
R5F101MJDFB#V0 achieves 66 μA/MHz active current and 0.57 μA in STOP mode with RTC + LVD enabled - among the lowest in its class. This outperforms most 16-bit MCUs at equivalent performance (e.g., MSP430FRxx STOP: ~0.9 μA; PIC24EP: ~2.5 μA). The result is significantly longer battery life in always-on sensing and metering applications using R5F101MJDFB#V0.
R5F101MJDFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 20K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F101MJDFB#V0 FAQ
1.How can I place an order for R5F101MJDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101MJDFB#V0 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 R5F101MJDFB#V0 reliable?
The price and inventory of R5F101MJDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101MJDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F101MJDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101MJDFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101MJDFB#V0?
R5F101MJDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101MJDFB#V0 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 R5F101MJDFB#V0?
For technical support, including R5F101MJDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101MJDFB#V0 requirements.
6.How does Aetrix verify that R5F101MJDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101MJDFB#V0 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 R5F101MJDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F101MJDFB#V0?
All R5F101MJDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101MJDFB#V0, 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 R5F101MJDFB#V0 part is unused and in its original packaging.
Return procedure for R5F101MJDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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