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Renesas R5F100MJAFB#V0
- Part No.:
- R5F100MJAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F100MJAFB#V0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,089
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Product details
Overview
R5F100MJAFB#V0 from Renesas is an RL78/G13 80-pin, 256 KB flash, 8 KB data flash, 16 KB RAM ultra-low-power 16-bit MCU with integrated RTC, 10-bit ADC (26 channels), UART/LIN, I²C, and SPI interfaces - deployed in battery-powered industrial sensors and smart metering systems.
For engineers reviewing the R5F100MJAFB#V0 datasheet, R5F100MJAFB#V0 pinout, R5F100MJAFB#V0 application, or R5F100MJAFB#V0 equivalent, key selection criteria include its 0.57 μA STOP-mode current, 32 MHz max CPU speed, 1.6–5.5 V operation, 80-pin LFQFP (12 × 12 mm, 0.5 mm pitch) package, and industrial-grade −40°C to +105°C temperature rating.
Technical Context
The R5F100MJAFB#V0 implements the RL78 CISC core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subclock mode). It integrates a 12-bit interval timer, calendar-based real-time clock with alarm and correction, and hardware multiplier/divider for efficient signal processing.
Its peripheral set includes up to 16× 16-bit timers, 3× I²C/Simplified I²C channels, 2–4× UART/LIN ports, 2–8× CSI (SPI-compatible) interfaces, and DMA controller with 4 channels - enabling deterministic real-time control in resource-constrained embedded applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - delivers 41 DMIPS performance for real-time control loops |
| Flash Memory | 256 KB code flash - supports self-programming with boot swap and flash shield window |
| Data Flash | 8 KB background operation (BGO) flash - enables 1M write cycles and concurrent code execution during rewrite |
| RAM | 16 KB on-chip RAM - includes dedicated areas for flash library operations (start address FAF00H) |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD - extends battery life in always-on sensing nodes |
| Operating Voltage | 1.6 V to 5.5 V - allows direct interface with diverse analog sensors and legacy 3.3/5 V peripherals |
| Temperature Range | −40°C to +105°C (Industrial G-grade) - qualified for under-hood automotive and factory-floor deployment |
Pinout & Package
Package: 80-pin LFQFP (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI clock / I²C clock | Shared dual-function pin enabling flexible serial bus selection without external logic |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI input / UART receive / debug RX / I²C data | Multi-protocol I/O reduces pin count for mixed-interface designs (e.g., sensor hub + debug + comms) |
| P20/ANI0/AVREFP | Analog input 0 / ADC reference positive | Enables ratiometric measurement using internal or external reference voltage |
| P21/ANI1/AVREFM | Analog input 1 / ADC reference negative | Supports differential ADC measurements and precision sensor biasing |
| P22/ANI2 | Analog input 2 | Part of 26-channel 10-bit ADC array - sufficient for multi-sensor monitoring (temp, voltage, current) |
| P30/INTP0/TOOLRST | External interrupt 0 / debug reset | Combines system wake-up trigger and JTAG/SWD reset in one pin - simplifies PCB layout |
| P40/CLKP/CLKO | External clock input / clock output | Allows crystal oscillator bypass or system clock distribution to companion ICs |
| P50/RTCOUT | Real-time clock output | Provides 32.768 kHz square wave for external timing sync or low-power wake-up signaling |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power STOP mode | 0.57 μA retention with RTC + LVD active - enables >10-year battery life in coin-cell-powered devices |
| On-chip high-accuracy oscillator | ±1.0% tolerance (1.8–5.5 V, −20 to +85°C) - eliminates external crystal for cost-sensitive applications |
| Background data flash rewrite | Code execution continues during 8 KB data flash update - ensures uninterrupted real-time operation |
| Dedicated LIN bus support | UART channel with automatic LIN break detection and sync field generation - simplifies automotive body electronics integration |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC - accelerates PID control and sensor linearization |
| Temperature sensor & internal VREF | Integrated 1.45 V reference and calibrated temperature sensor - enables self-calibrating analog front-ends |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Bidirectional energy measurement with tamper detection, time-of-use billing, and wireless reporting. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing EEPROM logging, and driving RF/PLC communication stacks. Use Value: 256 KB flash stores complex tariff tables and firmware updates; 0.57 μA STOP mode enables >15-year battery backup for real-time clock and event logging. |
Use Scenario: Wireless vibration/temperature/humidity monitoring in predictive maintenance gateways. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog and digital inputs, performing FFT preprocessing, and scheduling LoRaWAN transmissions. Use Value: 26-channel 10-bit ADC captures multi-axis accelerometer data; hardware MAC accelerates spectral analysis; BGO flash preserves calibration data during OTA updates. |
| Automotive Body Control | Home Appliance MCU |
|
Use Scenario: Door module controlling window lift, mirror fold, and interior lighting with LIN communication. IC Role / Device Role / Timing Role: LIN slave node managing motor drivers, switch inputs, and LED dimming via PWM timers. Use Value: Integrated LIN support reduces external transceiver count; 16× 16-bit timers enable precise motor commutation and fade control; −40°C to +105°C rating meets AEC-Q100 Grade 2 requirements. |
Use Scenario: Washing machine main controller handling motor phase control, water level sensing, and user interface. IC Role / Device Role / Timing Role: Real-time executor of FOC motor control, ADC-based pressure transducer reading, and buzzer/key interrupt management. Use Value: 41 DMIPS at 32 MHz handles fast-loop FOC; 1.6–5.5 V operation interfaces directly with 3.3 V UI and 5 V solenoid drivers; SNOOZE mode reduces idle power during spin cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101MJAFB#V0 | No data flash (0 KB); same core, peripherals, and package | Not suitable for field-upgradable firmware or parameter storage requiring nonvolatile retention | Select when application uses external EEPROM or requires lower BOM cost without data logging needs |
| RL78/G14 R5F104MJAFB#V0 | Enhanced RL78/G14 core; 512 KB flash, 32 KB RAM, additional USB and CAN modules | Supports USB device HID and CAN FD - required for PC-connected diagnostics or vehicle network gateways | Choose for future-proofing or when USB/CAN connectivity is mandatory; higher cost and power vs. G13 |
Compared with R5F100MJAFB#V0, R5F101MJAFB#V0 removes data flash to reduce cost and die size but sacrifices in-field parameter storage, while RL78/G14 R5F104MJAFB#V0 adds USB/CAN and doubles memory - making it over-specified for pure sensor-control roles but essential for connected systems.
Availability
R5F100MJAFB#V0 is available at Aetrix Electronics and suitable for smart metering, industrial IoT sensor nodes, automotive body electronics, and home appliance control requiring stable component supply across long product lifecycles.
Supply support for R5F100MJAFB#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 family targets cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, integration, and energy efficiency for battery-operated and thermally constrained systems.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100MJAFB#V0?
The R5F100MJAFB#V0 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its minimum instruction execution time is 0.03125 μs in high-speed mode, enabling responsive real-time control in motor drives and sensor fusion applications. The core maintains full functionality across its entire 1.6–5.5 V supply range.
Does the R5F100MJAFB#V0 support in-system programming and secure firmware updates?
Yes, the R5F100MJAFB#V0 supports full in-system programming via its on-chip debug interface and includes flash security features such as block erase prohibition and flash shield window protection. Self-programming with boot swap function allows safe firmware updates without halting system operation, critical for remote industrial devices.
How many analog input channels does the R5F100MJAFB#V0 provide, and what is the ADC resolution?
The R5F100MJAFB#V0 integrates a 10-bit successive approximation ADC with 26 configurable analog input channels. It supports internal 1.45 V reference voltage and temperature sensor readings, and operates across the full 1.6–5.5 V supply range - enabling accurate voltage, current, and environmental sensing in diverse industrial environments.
What serial communication interfaces are available on the R5F100MJAFB#V0?
The R5F100MJAFB#V0 provides three categories of serial interfaces: up to 4 UART/LIN channels (with hardware LIN break detection), up to 10 I²C/Simplified I²C channels, and up to 8 CSI (SPI-compatible) channels. This flexibility supports mixed-bus systems like sensor hubs communicating with I²C temperature sensors and SPI flash memory simultaneously.
Is the R5F100MJAFB#V0 qualified for industrial temperature operation?
Yes, the R5F100MJAFB#V0 carries the 'G' suffix indicating Industrial grade qualification with guaranteed operation from −40°C to +105°C. It is packaged in an 80-pin LFQFP (12 × 12 mm, 0.5 mm pitch) and meets Renesas' industrial reliability standards - making it suitable for factory automation, smart grid infrastructure, and under-hood automotive modules.
R5F100MJAFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
- 8K x 8
- 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:
R5F100MJAFB#V0 FAQ
1.How can I place an order for R5F100MJAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100MJAFB#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 R5F100MJAFB#V0 reliable?
The price and inventory of R5F100MJAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100MJAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F100MJAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100MJAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100MJAFB#V0?
R5F100MJAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100MJAFB#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 R5F100MJAFB#V0?
For technical support, including R5F100MJAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100MJAFB#V0 requirements.
6.How does Aetrix verify that R5F100MJAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100MJAFB#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 R5F100MJAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F100MJAFB#V0?
All R5F100MJAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100MJAFB#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 R5F100MJAFB#V0 part is unused and in its original packaging.
Return procedure for R5F100MJAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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