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Renesas R5F101MFAFA#V0
- Part No.:
- R5F101MFAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F101MFAFA#V0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,434
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Product details
Overview
R5F101MFAFA#V0 from Renesas is an RL78/G13 80-pin LQFP-0.65mm microcontroller with 64 KB flash, 4 KB data flash, 4 KB RAM, 16-bit CPU core, and ultra-low-power operation (66 μA/MHz, 0.57 μA in RTC+LVD mode) for industrial control, sensor nodes, and battery-powered HMI systems.
For engineers reviewing the R5F101MFAFA#V0 datasheet, R5F101MFAFA#V0 pinout, R5F101MFAFA#V0 application, or R5F101MFAFA#V0 equivalent, key selection criteria include its 80-pin LQFP package, absence of on-chip data flash (R5F101x series), -40°C to +85°C industrial temperature grade, and integrated peripherals including 16-channel 10-bit ADC, real-time clock, and LIN-capable UART.
Technical Context
The R5F101MFAFA#V0 implements the RL78 CISC CPU core with 3-stage pipeline, 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 16-bit timer array (up to 16 channels), 12-bit interval timer, and calendar-mode real-time clock with alarm and correction functions.
Power management includes HALT, STOP, and SNOOZE modes, on-chip POR and 14-level LVD, and voltage operation from 1.6 V to 5.5 V. Communication interfaces 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 CPU with 3-stage pipeline and 1 MB address space |
| Flash Memory | 64 KB code flash (1 KB block size); no on-chip data flash (R5F101x series) |
| RAM | 4 KB on-chip RAM, usable for variables, stack, and flash library operations |
| Operating Voltage | 1.6 V to 5.5 V - supports direct connection to Li-ion, alkaline, or regulated 3.3 V/5 V rails |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| ADC | 10-bit resolution, 26-channel analog input, internal 1.45 V reference and temperature sensor |
| Temperature Range | -40°C to +85°C (industrial-grade D-specification) |
Pinout & Package
Package: 80-pin LQFP, 14 × 14 mm body, 0.65 mm pitch, exposed pad not present, RoHS-compliant matte tin lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Port 10 / SPI Clock / I²C Clock | Multi-function pin supporting master/slave SPI clock or I²C bus clock; requires external pull-up for I²C |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI Input / UART0 RX / Debug RX / I²C Data | Shared serial interface pin enabling UART bootloading, SPI peripheral chaining, or I²C slave communication |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Primary analog input channel; doubles as positive reference for ADC measurements when AVREFM is configured |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Secondary analog input; serves as negative reference for differential ADC mode or single-ended measurement ground reference |
| P30/INTP0/TO00 | Port 30 / External Interrupt 0 / Timer Output 0 | Configurable interrupt source for wake-up from STOP/HALT; also outputs PWM or periodic timing signals |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention current enables multi-year battery life in metering and sensor applications |
| Self-programmable flash | Enables firmware updates in-system without external programmer; supports boot swap for fail-safe OTA |
| Hardware DMA controller | 2-channel DMA reduces CPU load during ADC sampling, UART transfers, or memory-to-memory moves |
| LIN 2.2-compliant UART | Single UART peripheral meets LIN physical layer timing and protocol requirements for automotive sub-nodes |
| On-chip RTC with calendar | 99-year calendar, alarm, and auto-correction eliminate need for external real-time clock IC in time-stamped logging |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Residential electricity/water/gas meter with tamper detection, pulse counting, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing EEPROM-less data logging via flash wear leveling, and driving optical/RF transceivers. Use Value: 64 KB flash stores dual-application firmware (metering + comms); 0.57 μA STOP mode extends battery life beyond 10 years in AMI endpoints. |
Use Scenario: Wireless temperature/humidity/pressure node in factory automation or HVAC monitoring. IC Role / Device Role / Timing Role: Sensor hub aggregating analog and digital inputs, performing local calibration, and scheduling low-duty-cycle LoRaWAN transmissions. Use Value: Integrated 10-bit ADC with 26 channels eliminates external signal conditioning; RTC enables precise timestamping of sensor events without host coordination. |
| Human-Machine Interface | Motor Control Subsystem |
Use Scenario: Keypad-based control panel for HVAC, lighting, or access systems with LED feedback and buzzer alerts. IC Role / Device Role / Timing Role: Dedicated UI processor handling key scanning, display refresh (via GPIO or SPI), audio tone generation, and power sequencing. Use Value: On-chip clock output/buzzer controller drives piezo elements directly; N-ch open-drain I/O interfaces safely with 1.8 V/3.3 V logic without level shifters. |
Use Scenario: Fan/pump/blower control module with speed regulation, fault monitoring, and thermal protection. IC Role / Device Role / Timing Role: Motion supervisor coordinating PWM generation, current sensing (via ADC), overtemperature shutdown, and CAN/LIN communication with main ECU. Use Value: 16-channel 16-bit timer supports complementary PWM with dead-time insertion; 14-level LVD detects brown-out before MOSFET gate drive failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100MFAFA#V0 | 64 KB flash + 4 KB data flash; same pinout, package, and peripherals | Supports EEPROM-emulation and background data flash rewriting (BGO) | Select when non-volatile parameter storage or field firmware updates require dedicated data flash |
| R5F101MGAFB#V0 | Same 64 KB flash / 4 KB RAM / 0 data flash; 80-pin LFQFP, 0.5 mm pitch | Smaller footprint (12 × 12 mm vs. 14 × 14 mm); identical electrical specs but different land pattern | Choose for space-constrained PCBs where re-layout is acceptable and thermal dissipation permits smaller package |
Compared with R5F100MFAFA#V0, the R5F101MFAFA#V0 trades data flash capability for simplified flash management and lower cost, while the R5F101MGAFB#V0 offers identical functionality in a denser package-enabling higher board density at the expense of soldering process complexity.
Availability
R5F101MFAFA#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering systems, and HMI control panels requiring stable component supply across extended product lifecycles.
Supply support for R5F101MFAFA#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 delivers ultra-low-power 16-bit MCU performance for cost-sensitive, battery-operated, and industrial control applications - balancing energy efficiency, integration, and development simplicity.
FAQ
What is the flash memory configuration of the R5F101MFAFA#V0?
The R5F101MFAFA#V0 contains 64 KB of on-chip code flash memory with 1 KB erase blocks and no integrated data flash. This aligns with the R5F101x series designation, distinguishing it from R5F100x variants that include 4 KB data flash. The flash supports self-programming with boot-swap and flash-shield window functions for secure firmware updates.
Does the R5F101MFAFA#V0 support LIN bus communication?
Yes, the R5F101MFAFA#V0 supports LIN 2.2-compliant communication through its UART peripherals. Two to four UART channels are available, each configurable for LIN mode with automatic sync-break detection, checksum calculation, and identifier filtering - enabling direct integration into automotive body electronics or industrial sub-networks without external transceivers.
What is the operating temperature range for the R5F101MFAFA#V0?
The R5F101MFAFA#V0 is rated for industrial operation from -40°C to +85°C (D-grade specification). This is confirmed by the "D" suffix in its part number decoding and validated in the RL78/G13 datasheet Section 1.1. It does not support the extended -40°C to +105°C (G-grade) range offered by select R5F100x variants.
Can the R5F101MFAFA#V0 operate from a 1.8 V supply?
Yes, the R5F101MFAFA#V0 operates across 1.6 V to 5.5 V, fully supporting 1.8 V nominal supply rails. At 1.8 V, maximum CPU frequency is reduced to 16 MHz (per datasheet voltage-frequency derating), and ADC accuracy remains specified with internal reference enabled - making it suitable for low-voltage battery-powered designs.
How many analog input channels does the R5F101MFAFA#V0 support?
The R5F101MFAFA#V0 supports up to 26 analog input channels for its 10-bit successive-approximation ADC. Channel mapping depends on pin configuration and package; the 80-pin LQFP variant (R5F101MFAFA#V0) provides access to all 26 channels. Inputs include dedicated ANI0–ANI25 pins plus AVREFP/AVREFM for precision reference setup.
R5F101MFAFA#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:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K 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:
R5F101MFAFA#V0 FAQ
1.How can I place an order for R5F101MFAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101MFAFA#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 R5F101MFAFA#V0 reliable?
The price and inventory of R5F101MFAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101MFAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F101MFAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101MFAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101MFAFA#V0?
R5F101MFAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101MFAFA#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 R5F101MFAFA#V0?
For technical support, including R5F101MFAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101MFAFA#V0 requirements.
6.How does Aetrix verify that R5F101MFAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101MFAFA#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 R5F101MFAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F101MFAFA#V0?
All R5F101MFAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101MFAFA#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 R5F101MFAFA#V0 part is unused and in its original packaging.
Return procedure for R5F101MFAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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