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Renesas R5F100LFAFB#V0
- Part No.:
- R5F100LFAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LFAFB#V0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,534
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Product details
Overview
R5F100LFAFB#V0 from Renesas is a 64-pin LFQFP (10 × 10 mm, 0.5-mm pitch), industrial-grade RL78/G13 16-bit MCU with 128 KB flash, 8 KB data flash, 12 KB RAM, 32 MHz max CPU speed, and true low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode). It targets battery-powered industrial sensors, smart meters, and embedded control systems requiring high integration and extended temperature support.
For engineers reviewing the R5F100LFAFB#V0 datasheet, R5F100LFAFB#V0 pinout, R5F100LFAFB#V0 application, or R5F100LFAFB#V0 equivalent, key selection considerations include its 64-pin LFQFP-0.5mm package, -40°C to +105°C industrial rating (G-grade), integrated RTC with calendar/alarm, 26-channel 10-bit ADC, and dual UART/LIN support for robust serial communication in harsh environments.
Technical Context
The R5F100LFAFB#V0 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), enabling dynamic performance scaling. It integrates a 12-bit interval timer, real-time clock with 99-year calendar and clock correction, and watchdog timer with dedicated low-speed oscillator.
Its peripheral set includes up to 16 channels of 16-bit timer, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN interfaces, 2–8 CSI (SPI-compatible) channels, and DMA controller with 4 channels - all operating within 1.6–5.5 V supply range and qualified for industrial ambient temperatures up to +105°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC CPU with 3-stage pipeline and variable instruction timing (0.03125–30.5 μs) |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS performance for real-time control tasks |
| Memory Configuration | 128 KB code flash (1 KB block size), 8 KB data flash (1M rewrite cycles), 12 KB RAM |
| Power Consumption | 66 μA/MHz active mode; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit A/D converter with 26 input channels, internal 1.45 V reference, and integrated temperature sensor |
| Serial Interfaces | 2 UART/LIN channels, 3 I²C/Simplified I²C channels, 2 CSI (SPI-compatible) channels |
| Operating Temperature | -40°C to +105°C - certified for industrial applications (G-grade marking) |
| Supply Voltage Range | 1.6 V to 5.5 V - supports single-supply operation across wide battery and rail configurations |
Pinout & Package
Package: 64-pin LFQFP (10 × 10 mm, 0.5-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support stable core/peripheral operation at 1.6–5.5 V |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47, P50–P57, P60–P63 | General-purpose I/O ports | Up to 55 programmable I/O pins with N-ch open-drain, TTL input, pull-up options and 1.8/2.5/3 V interface capability |
| P20/ANI0/AVREFP, P21/ANI1/AVREFM | Analog input / reference voltage | Dedicated ADC reference inputs enable precise ratiometric measurements independent of VDD |
| P10/SCK00/SCL00, P11/SI00/RxD0/TOOLRxD/SDA00 | Multi-function serial interface pins | Shared SPI/I²C/UART functions reduce pin count while maintaining protocol flexibility |
| RESET, NMIX | Reset and NMI inputs | On-chip POR and LVD with 14-level selection ensure reliable startup and brown-out recovery |
| CLKP, CLKN | External crystal oscillator inputs | Support 32.768 kHz crystal for RTC accuracy or higher-frequency crystals for system clock |
Key Features
| Feature | Design Value |
|---|---|
| True low-power modes | HALT, STOP, and SNOOZE modes enable sub-μA sleep with wake-on-peripheral-event capability |
| Self-programmable flash | Boot swap and flash shield window functions allow secure firmware updates without external programmer |
| Background data flash rewrite | BGO enables concurrent program execution and data logging during flash writes |
| Integrated RTC with calendar | Hardware calendar (99 years), alarm, and auto-correction eliminate need for external timekeeping IC |
| On-chip debug interface | Fully compliant with E20 emulator - no external debug header required for development |
| DMA controller | 4-channel DMA with 2-clock transfer between SFR and RAM reduces CPU load for high-throughput peripherals |
Applications
| Industrial Sensor Node | Smart Energy Meter |
|---|---|
|
Use Scenario: Battery-powered wireless temperature/humidity/pressure node in factory automation. IC Role / Device Role / Timing Role: Main system controller managing sensor acquisition, signal conditioning, LIN/UART telemetry, and ultra-low-power scheduling. Use Value: 0.57 μA STOP mode with RTC extends 10-year battery life; 26-channel ADC supports multi-sensor analog front-end without external mux. |
Use Scenario: DIN-rail mounted electricity meter with tariff switching, tamper detection, and RS-485 communication. IC Role / Device Role / Timing Role: Primary metrology controller handling pulse counting, EEPROM logging, real-time billing, and isolated UART/RS-485 interface. Use Value: Integrated RTC with calendar and alarm enables accurate time-of-use billing; 128 KB flash accommodates dual firmware images for field upgrades. |
| Programmable Logic Controller (PLC) I/O Module | Home Appliance Motor Control |
|
Use Scenario: Compact 16-channel digital I/O expansion module for modular PLC systems. IC Role / Device Role / Timing Role: Dedicated I/O manager with GPIO interrupt chaining, watchdog supervision, and CAN/LIN gateway logic. Use Value: 55 GPIOs with configurable pull-ups/open-drain drive 24 V industrial sensors directly; -40°C to +105°C rating ensures reliability in control cabinet environments. |
Use Scenario: Brushless DC motor driver in HVAC blower or refrigerator compressor. IC Role / Device Role / Timing Role: Motion controller executing FOC algorithms, PWM generation, current sensing, and thermal protection. Use Value: 16-bit timers with complementary PWM outputs synchronize gate drivers; on-chip temperature sensor enables closed-loop thermal derating without external thermistor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101LFAFB#V0 | No data flash memory (0 KB); identical pinout, package, and peripheral set otherwise | Suitable where firmware-only storage suffices and data logging is handled externally | Select when boot code persistence is sufficient and external EEPROM/NVRAM is already used for configuration/data |
| R5F100LGAFB#V0 | Same package and grade, but 96 KB flash / 8 KB data flash / 8 KB RAM - lower memory configuration | Cost-optimized variant for simpler control tasks with reduced code footprint | Choose for legacy design migration or cost-sensitive volume production where 128 KB flash is unnecessary |
Compared with R5F100LFAFB#V0, R5F101LFAFB#V0 removes data flash to reduce cost and test complexity while retaining full functional compatibility for read-only firmware use; R5F100LGAFB#V0 offers a memory-downgraded option with identical industrial temperature rating and pinout, easing BOM rationalization across product tiers.
Availability
R5F100LFAFB#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart energy meters, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and guaranteed industrial temperature compliance.
Supply support for R5F100LFAFB#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 is designed for cost-sensitive, ultra-low-power general-purpose embedded control - balancing performance, integration, and energy efficiency in industrial and consumer equipment.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100LFAFB#V0?
The R5F100LFAFB#V0 operates at up to 32 MHz, delivering 41 DMIPS of processing performance. Its RL78 CPU core supports variable instruction timing - as fast as 0.03125 μs per instruction at 32 MHz using the high-speed on-chip oscillator, or as slow as 30.5 μs at 32.768 kHz for ultra-low-power RTC operation. This enables adaptive power/performance tuning in battery-constrained applications.
Does the R5F100LFAFB#V0 include integrated data flash memory, and what are its endurance specifications?
Yes, the R5F100LFAFB#V0 includes 8 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles (typical) across the full 1.8–5.5 V supply range. It supports background operation (BGO), allowing program execution from main flash while rewriting data flash - essential for reliable firmware-over-the-air (FOTA) updates and nonvolatile parameter storage in the R5F100LFAFB#V0.
What temperature grade does the R5F100LFAFB#V0 support, and how is it indicated in the part number?
The R5F100LFAFB#V0 is an industrial-grade device rated for -40°C to +105°C ambient operation, denoted by the 'G' suffix in its family designation (RL78/G13) and confirmed by Renesas' official ordering information. The '#V0' packaging code indicates tray delivery in LFQFP format, and the full part number R5F100LFAFB#V0 is explicitly listed in Renesas documentation for G-grade (industrial) qualification.
How many analog input channels does the R5F100LFAFB#V0 support, and what ADC resolution is available?
The R5F100LFAFB#V0 features a 10-bit successive approximation register (SAR) ADC with up to 26 analog input channels. It operates across the full 1.6–5.5 V supply range and includes an internal 1.45 V reference voltage and integrated temperature sensor - both selectable only in high-speed (HS) mode. This allows precise ratiometric measurements and on-die thermal monitoring without external components in the R5F100LFAFB#V0.
Is the R5F100LFAFB#V0 pin-compatible with other RL78/G13 variants in the same package?
Yes, the R5F100LFAFB#V0 is fully pin-compatible with all other 64-pin LFQFP RL78/G13 devices sharing the FB suffix and same pin count (e.g., R5F100LGAFB#V0, R5F101LFAFB#V0), including identical power, reset, clock, and I/O pin assignments. This enables direct substitution within the same PCB layout for memory or feature scaling - provided software accounts for differences in flash size, data flash presence, or RAM capacity.
R5F100LFAFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 48
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100LFAFB#V0 FAQ
1.How can I place an order for R5F100LFAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LFAFB#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 R5F100LFAFB#V0 reliable?
The price and inventory of R5F100LFAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LFAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F100LFAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LFAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LFAFB#V0?
R5F100LFAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LFAFB#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 R5F100LFAFB#V0?
For technical support, including R5F100LFAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LFAFB#V0 requirements.
6.How does Aetrix verify that R5F100LFAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100LFAFB#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 R5F100LFAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F100LFAFB#V0?
All R5F100LFAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LFAFB#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 R5F100LFAFB#V0 part is unused and in its original packaging.
Return procedure for R5F100LFAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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