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Renesas R5F100MLAFA#V0
- Part No.:
- R5F100MLAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F100MLAFA#V0.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,063
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Product details
Overview
R5F100MLAFA#V0 from Renesas is an RL78/G13 80-pin LQFP-0.65mm microcontroller with 512 KB flash, 8 KB data flash, 32 KB RAM, 32 MHz max CPU speed, and ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode), deployed in industrial control panels requiring deterministic real-time response and extended battery life.
For engineers reviewing the R5F100MLAFA#V0 datasheet, R5F100MLAFA#V0 pinout, R5F100MLAFA#V0 application, or R5F100MLAFA#V0 equivalent, key selection criteria include integrated RTC with calendar/alarm, 26-channel 10-bit ADC, dual UART/LIN support, and 16-channel 16-bit timer suite for motor control timing precision.
Technical Context
The R5F100MLAFA#V0 implements the RL78 CISC CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock), and features a unified 1 MB address space with four register banks of eight 8-bit registers each.
It integrates a high-accuracy ±1.0% on-chip oscillator (selectable 1–32 MHz), hardware DMA controller (4 channels), 16×16→32-bit multiplier/accumulator, and background operation-capable data flash (1M rewrite cycles, 1.8–5.5 V programming voltage).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 CISC with 3-stage pipeline, 1 MB address space, 4 register banks × 8×8-bit registers |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS performance for real-time control loop execution |
| Memory Configuration | 512 KB code flash + 8 KB data flash + 32 KB RAM - supports firmware updates and nonvolatile parameter storage without external EEPROM |
| Power Consumption | 66 μA/MHz active, 0.57 μA in STOP mode with RTC+LVD - enables multi-year battery operation in metering applications |
| Analog Peripherals | 10-bit ADC (26 channels, internal 1.45 V reference, temperature sensor) - eliminates need for external analog front-end in sensor nodes |
| Serial Interfaces | 3× I²C, 2× UART/LIN, 2× CSI - provides native connectivity to displays, sensors, and automotive sub-systems |
| Timers & RTC | 16× 16-bit timers, 12-bit interval timer, calendar RTC (99-year range, alarm, correction) - enables precise scheduling and time-stamped event logging |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65-mm pitch), RoHS-compliant, JEDEC-standard footprint compatible with automated SMT assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Port 10 / SPI Clock / I²C Clock | Multi-function pin supporting synchronous serial communication or I²C bus clock generation |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI Input / UART0 RX / Debug RX / I²C Data | Shared signal path enabling debug interface, serial comms, and I²C data transfer on single pin |
| P20/ANI0/AVREFP | Port 20 / Analog Input 0 / ADC Reference Positive | Configurable as analog input channel or positive reference source for 10-bit ADC conversion |
| P21/ANI1/AVREFM | Port 21 / Analog Input 1 / ADC Reference Negative | Supports differential ADC measurements or serves as negative reference for precision sensing |
| P22/ANI2 | Port 22 / Analog Input 2 | Dedicated analog input channel usable with internal temperature sensor or external voltage monitoring |
| RESET | Active-Low Reset Input | Asynchronous reset pin with internal pull-up; accepts external reset signals or watchdog timeout assertion |
| VDD, VSS | Power Supply / Ground | Single 1.6–5.5 V supply rail; multiple VSS pins ensure low-noise analog/digital grounding separation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC + LVD active - extends battery life in always-on monitoring devices |
| Self-programmable flash | Boot swap + flash shield window functions enable secure over-the-air firmware updates without external programmer |
| Background data flash write | Execute code from main flash while rewriting data flash - ensures uninterrupted real-time operation during logging |
| Hardware DMA controller | 4-channel DMA with 2-clock transfers between SFR and RAM - offloads CPU from high-bandwidth peripheral data movement |
| Integrated LIN transceiver support | UART0 with LIN break detection and sync field generation - reduces BOM cost in automotive body electronics |
| On-chip temperature sensor | Calibrated sensor with 1°C accuracy (−40°C to +105°C) - enables thermal management without external IC |
Applications
| Industrial Motor Control | Smart Energy Metering |
|---|---|
Use Scenario: Closed-loop BLDC motor drive in HVAC blowers with current sensing, PWM generation, and fault protection. IC Role / Device Role / Timing Role: Real-time MCU executing FOC algorithm, generating complementary 16-bit PWM outputs, and sampling 3-phase currents via 10-bit ADC. Use Value: 16× 16-bit timers provide independent dead-time control and phase-shifted PWM; 26-channel ADC captures simultaneous current/voltage samples. |
Use Scenario: DIN-rail mounted electricity meter measuring active/reactive power, tariff switching, and tamper detection. IC Role / Device Role / Timing Role: System controller managing metrology IC interface, RTC-based billing intervals, secure flash storage of consumption logs, and optical/IR communication. Use Value: Calendar RTC with alarm triggers tariff changes; 8 KB data flash stores 30+ days of hourly usage; LIN/UART enables utility-side firmware updates. |
| Home Appliance HMI | Building Automation Sensor Node |
Use Scenario: Touch-enabled oven control panel with display driver, keypad scan, buzzer feedback, and safety interlock monitoring. IC Role / Device Role / Timing Role: Main application MCU handling capacitive touch decoding, segment LCD driving, audio tone generation, and thermal cutoff supervision. Use Value: On-chip clock output/buzzer controller eliminates external drivers; 12-bit interval timer ensures precise buzzer pulse width; N-ch open-drain I/O interfaces directly with 3.3 V display logic. |
Use Scenario: Battery-powered CO₂/temperature/humidity sensor node transmitting data via RS-485 to building management system. IC Role / Device Role / Timing Role: Low-power sensor aggregator acquiring analog readings, performing calibration math, and formatting Modbus RTU frames for wired transmission. Use Value: 0.57 μA STOP mode enables 5+ year battery life; internal temperature sensor calibrates external sensors; UART with automatic half-duplex direction control simplifies RS-485 interface. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101MLAFA#V0 | No data flash (0 KB); identical code flash (512 KB), RAM (32 KB), package, and peripherals | Not suitable where nonvolatile parameter storage or firmware update staging is required | Select when application firmware handles all configuration in RAM or external memory |
| R5F100MLDFA#V0 | Same flash/RAM specs but rated for −40°C to +85°C (D grade) instead of −40°C to +105°C (G grade) | Lower thermal margin limits use in high-ambient environments like enclosed industrial enclosures | Choose for cost-sensitive consumer-grade applications where extended temperature is unnecessary |
Compared with R5F100MLAFA#V0, R5F101MLAFA#V0 removes data flash to reduce cost and die size while retaining full code execution capability, whereas R5F100MLDFA#V0 maintains identical functionality but with reduced industrial temperature qualification - both require PCB-level validation for thermal and data retention requirements.
Availability
R5F100MLAFA#V0 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, and building automation systems requiring stable component supply across long production lifecycles.
Supply support for R5F100MLAFA#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 industrial, automotive, and enterprise markets.
The RL78/G13 product line delivers ultra-low-power, cost-optimized MCUs targeting general-purpose embedded applications including home appliances, industrial controls, and metering - balancing performance, integration, and energy efficiency.
FAQ
What is the operating temperature range for the R5F100MLAFA#V0?
The R5F100MLAFA#V0 is qualified for industrial operation from −40°C to +105°C (G-grade), making it suitable for deployment in high-ambient environments such as enclosed motor drives or outdoor utility meters where thermal stress exceeds standard commercial limits.
Does the R5F100MLAFA#V0 include an integrated RTC with calendar function?
Yes, the R5F100MLAFA#V0 integrates a full-featured real-time clock with calendar support (99-year range), alarm interrupt, and clock correction function - all operational in STOP mode with only 0.57 μA current draw, enabling time-stamped logging without external timekeeping ICs.
How much data flash memory does the R5F100MLAFA#V0 provide, and what is its endurance?
The R5F100MLAFA#V0 includes 8 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles at VDD = 1.8–5.5 V, supporting background operation so program execution continues uninterrupted during rewrites - essential for reliable firmware parameter storage in R5F100MLAFA#V0-based systems.
Can the R5F100MLAFA#V0 operate from a single 1.8 V supply?
Yes, the R5F100MLAFA#V0 supports single-supply operation from 1.6 V to 5.5 V, including stable execution at 1.8 V. At this voltage, maximum frequency is reduced per datasheet derating curves, but all peripherals - including 10-bit ADC and RTC - remain fully functional for ultra-low-voltage battery applications.
What debug interface does the R5F100MLAFA#V0 support?
The R5F100MLAFA#V0 supports on-chip debugging via the dedicated TOOLx pins (e.g., TOOLRxD/TOOLTxD on P11/P12), compatible with Renesas E2 emulator and CS+ IDE. It includes full breakpoint, watchpoint, and flash programming capabilities without requiring additional debug circuitry on the R5F100MLAFA#V0 PCB layout.
R5F100MLAFA#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:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 32K 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:
R5F100MLAFA#V0 FAQ
1.How can I place an order for R5F100MLAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100MLAFA#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 R5F100MLAFA#V0 reliable?
The price and inventory of R5F100MLAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100MLAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F100MLAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100MLAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100MLAFA#V0?
R5F100MLAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100MLAFA#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 R5F100MLAFA#V0?
For technical support, including R5F100MLAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100MLAFA#V0 requirements.
6.How does Aetrix verify that R5F100MLAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100MLAFA#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 R5F100MLAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F100MLAFA#V0?
All R5F100MLAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100MLAFA#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 R5F100MLAFA#V0 part is unused and in its original packaging.
Return procedure for R5F100MLAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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