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Renesas R5F101MJDFA#X0
- Part No.:
- R5F101MJDFA#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F101MJDFA#X0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,199
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Product details
Overview
R5F101MJDFA#X0 from Renesas is an RL78/G13 80-pin LQFP MCU with 128 KB flash, 12 KB RAM, and no data flash memory, operating at 1.6–5.5 V with ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD mode), used in industrial control panels requiring deterministic real-time response and extended battery life.
For engineers reviewing the R5F101MJDFA#X0 datasheet, R5F101MJDFA#X0 pinout, R5F101MJDFA#X0 application, or R5F101MJDFA#X0 equivalent, key selection criteria include its 80-pin LQFP-0.65mm package, absence of on-chip data flash, -40°C to +85°C industrial temperature grade (D), and integrated 10-bit ADC with 26 channels, RTC, and LIN-capable UARTs.
Technical Context
The R5F101MJDFA#X0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz), and features a 1 MB address space with four 8-bit register banks. It integrates dual 16-bit timers, one 12-bit interval timer, and a calendar-based real-time clock with alarm and correction functions.
Power management includes HALT, STOP, and SNOOZE low-power modes, on-chip POR and 14-level LVD, and background operation for flash self-programming. Communication peripherals comprise up to 4 UART/LIN channels, 10 I²C/Simplified I²C channels, and 8 CSI (SPI-compatible) channels - all configurable without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS performance for real-time control tasks |
| Flash Memory | 128 KB code flash - supports boot swap and flash shield window for secure firmware updates |
| RAM | 12 KB on-chip RAM - sufficient for RTOS stacks, communication buffers, and sensor data processing |
| ADC | 10-bit resolution, 26-channel analog input - enables simultaneous monitoring of multiple sensors or power rails |
| Operating Voltage | 1.6 V to 5.5 V - compatible with single-cell Li-ion, 3.3 V, and 5 V system rails |
| Temperature Range | -40°C to +85°C (Industrial D-grade) - qualified for factory automation and building control environments |
| Low-Power Modes | HALT/STOP/SNOOZE - achieves 0.57 μA retention with RTC + LVD active for battery-backed timekeeping |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; supports separate analog/digital grounding |
| P10/SCK00/SCL00 | Serial clock I/O | Configurable as SPI clock or I²C clock - enables shared bus topology with mixed peripheral types |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Serial data input | Multi-function pin supporting SPI input, UART receive, debug interface, and I²C data - reduces pin count for compact designs |
| P20/ANI0/AVREFP | Analog input / reference positive | Primary ADC channel with selectable AVREFP - allows ratiometric sensing or external reference precision |
| P21/ANI1/AVREFM | Analog input / reference negative | Paired with P20 for differential ADC measurements or AVREFM setting - improves noise immunity in noisy industrial settings |
| RESET | Active-low reset input | Accepts external reset signal or internal POR/LVD assertion - ensures deterministic startup after brownout or power cycle |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power operation | 66 μA/MHz active current enables >1-year battery life in wireless sensor nodes with periodic wake-up |
| On-chip RTC with calendar | 99-year calendar, alarm, and clock correction eliminates need for external real-time clock IC and backup battery |
| LIN-capable UART | Hardware LIN bus support simplifies automotive body electronics integration without external transceiver logic |
| Background data flash programming | Enables firmware updates while executing from main flash - critical for zero-downtime field upgrades |
| 14-level voltage detector | Configurable LVD thresholds allow precise brownout detection across varying supply conditions in industrial equipment |
| Hardware multiplier/divider | 16×16→32-bit multiply and 32÷32→32-bit divide accelerate motor control algorithms and digital filtering |
Applications
| Industrial HMI Panel | Smart Energy Meter |
|---|---|
Use Scenario: Touch-enabled local operator interface for PLC-controlled machinery with status display and parameter adjustment. IC Role / Device Role / Timing Role: Main controller managing display refresh, button scan, serial communication with PLC, and real-time logging via RTC timestamping. Use Value: Integrated 26-channel ADC monitors panel supply rails and temperature sensors; 128 KB flash stores UI assets and firmware; low-power modes extend uptime during idle periods. | Use Scenario: Residential electricity meter measuring voltage, current, and power factor using shunt/sensor inputs and communicating via RS-485/LIN. IC Role / Device Role / Timing Role: System-on-chip performing metrology calculations, tamper detection, secure data storage, and time-of-use billing with calendar-based RTC. Use Value: 10-bit ADC with internal reference enables accurate RMS computation; LIN UART interfaces directly to home-area network; 0.57 μA RTC mode preserves time during mains failure. |
| Factory Automation I/O Module | Building HVAC Controller |
Use Scenario: DIN-rail mounted remote I/O unit converting analog sensor signals and digital actuator commands between field devices and central DCS. IC Role / Device Role / Timing Role: Real-time I/O processor handling 16+ analog inputs, 8 digital outputs, Modbus RTU over UART, and watchdog supervision. Use Value: Dual UARTs support simultaneous Modbus master/slave; 12 KB RAM buffers protocol packets; HALT mode reduces thermal load in enclosed enclosures. | Use Scenario: Wall-mounted thermostat with temperature/humidity sensing, fan speed control, and BACnet MS/TP or LonWorks communication. IC Role / Device Role / Timing Role: Embedded controller executing PID loops, managing display, driving triac/fan drivers, and maintaining schedule via RTC calendar. Use Value: On-chip buzzer output drives audible alerts; 16-bit timers generate precise PWM for fan control; 1.6–5.5 V operation accommodates 24 VAC-to-DC conversion variations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100MJDFA#X0 | Includes 4 KB data flash; otherwise identical pinout, package, and peripheral set | Required where EEPROM-like nonvolatile parameter storage is needed without external SPI flash | Select when runtime parameter logging or calibration data persistence is mandatory |
| RL78/G14 R5F104MJDFB#X0 | Enhanced RL78/G14 core with 256 KB flash, 32 KB RAM, and additional DMA channels; same 80-pin LQFP-0.5mm package | Suitable for more complex motion control or multi-protocol gateway applications requiring larger code footprint | Choose for future-proofing or when migrating from G13 to higher-performance G14 with minimal PCB change |
Compared with R5F101MJDFA#X0, R5F100MJDFA#X0 adds data flash for configuration storage but shares identical timing, power, and I/O behavior; RL78/G14 R5F104MJDFB#X0 offers double flash/RAM and enhanced DMA at the cost of tighter 0.5-mm pitch layout constraints.
Availability
R5F101MJDFA#X0 is available at Aetrix Electronics and suitable for industrial HMI panels, smart energy meters, and factory I/O modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F101MJDFA#X0 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 ultra-low-power 16-bit MCUs optimized for cost-sensitive industrial control, home appliances, and sensor nodes where energy efficiency and integration outweigh raw performance needs.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F101MJDFA#X0?
The R5F101MJDFA#X0 operates at up to 32 MHz, delivering 41 DMIPS of processing performance. This is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V and -20°C to +85°C. The R5F101MJDFA#X0 maintains this performance while consuming only 66 μA per MHz, making it suitable for real-time control tasks in thermally constrained environments.
Does the R5F101MJDFA#X0 include on-chip data flash memory?
No, the R5F101MJDFA#X0 does not include on-chip data flash memory. As indicated by the "101" prefix in its part number (per RL78/G13 documentation), it provides 128 KB of code flash and 12 KB of RAM but omits the 4–8 KB data flash found in "100" series variants like R5F100MJDFA#X0. Applications requiring nonvolatile parameter storage must use external EEPROM or leverage code flash with wear-leveling software.
What package type and pin count does the R5F101MJDFA#X0 use?
The R5F101MJDFA#X0 uses an 80-pin LQFP package with 0.65-mm pitch (RENESAS Code PLQP0080JB-E). This is confirmed by the "FA" suffix (LQFP, 0.65-mm pitch) and "M" prefix denoting 80-pin count in the RL78/G13 part numbering scheme. The #X0 suffix indicates embossed tape packaging, suitable for automated SMT assembly.
Which communication interfaces are supported by the R5F101MJDFA#X0?
The R5F101MJDFA#X0 supports up to 4 UART/LIN channels, 10 I²C/Simplified I²C channels, and 8 CSI (SPI-compatible) channels. All interfaces are implemented in hardware with dedicated registers and interrupt vectors. UARTs include LIN physical layer support, enabling direct connection to automotive or industrial LIN networks without external transceivers.
What is the operating temperature range and industrial qualification of the R5F101MJDFA#X0?
The R5F101MJDFA#X0 is rated for -40°C to +85°C operation and carries the "D" industrial qualification suffix, confirming compliance with extended temperature testing per Renesas' industrial reliability standards. It is designed for deployment in factory automation, building controls, and outdoor equipment where ambient conditions exceed commercial-grade limits.
R5F101MJDFA#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- 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:
- -
- 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:
R5F101MJDFA#X0 FAQ
1.How can I place an order for R5F101MJDFA#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101MJDFA#X0 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 R5F101MJDFA#X0 reliable?
The price and inventory of R5F101MJDFA#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101MJDFA#X0 is usually 5 days.
3.What payment methods are accepted for R5F101MJDFA#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101MJDFA#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101MJDFA#X0?
R5F101MJDFA#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101MJDFA#X0 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 R5F101MJDFA#X0?
For technical support, including R5F101MJDFA#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101MJDFA#X0 requirements.
6.How does Aetrix verify that R5F101MJDFA#X0 is sourced from the original manufacturer or authorized distributors?
All R5F101MJDFA#X0 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 R5F101MJDFA#X0 meets industry standards.
7.What is the process for return or replacement of R5F101MJDFA#X0?
All R5F101MJDFA#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101MJDFA#X0, 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 R5F101MJDFA#X0 part is unused and in its original packaging.
Return procedure for R5F101MJDFA#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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