Renesas R5F100LLAFB#V0
- Part No.:
- R5F100LLAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LLAFB#V0.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,793
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Product details
Overview
R5F100LLAFB#V0 from Renesas is a 64-pin LFQFP-0.5mm-pitch 16-bit RL78/G13 microcontroller with 512 KB flash, 32 KB RAM, and 8 KB data flash, operating from 1.6 V to 5.5 V across –40°C to +85°C. It delivers 41 DMIPS at 32 MHz, features ultra-low-power HALT/STOP/SNOOZE modes (66 μA/MHz active, 0.57 μA RTC+LVD), and integrates 16-bit timers, 10-bit ADC (26 channels), UART/I²C/CSI, RTC, and on-chip debug - used in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the R5F100LLAFB#V0 datasheet, R5F100LLAFB#V0 pinout, R5F100LLAFB#V0 application, or R5F100LLAFB#V0 equivalent, key selection criteria include its 64-pin LFQFP package, 512 KB code flash with self-programming and flash shield window, 8 KB background-operable data flash (1M rewrite cycles), integrated LVD with 14-level interrupt/reset, and support for 32.768 kHz RTC with calendar/alarm functions.
Technical Context
The R5F100LLAFB#V0 implements the RL78 CPU core with CISC architecture and 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). Its memory subsystem includes 512 KB code flash (1 KB block size, security-protected erase/write), 8 KB data flash with background operation (BGO), and 32 KB on-chip RAM.
Peripheral integration includes up to 16 channels of 16-bit timer, 1-channel 12-bit interval timer, 1-channel real-time clock with calendar and clock correction, 1-channel watchdog timer, 26-channel 10-bit ADC with internal 1.45 V reference and temperature sensor, and serial interfaces: CSI (SPI-compatible), UART/LIN, and I²C - all configurable via dedicated SFRs and DMA channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 512 KB code flash with 1 KB erase blocks, security lock, and on-chip debug |
| Data Flash | 8 KB with background operation (BGO), 1,000,000 write cycles, VDD = 1.8–5.5 V |
| RAM | 32 KB on-chip SRAM, including flash library RAM usage starting at F7F00H |
| Supply Voltage | 1.6 V to 5.5 V single supply, enabling direct interface with 1.8/2.5/3.0 V peripherals |
| Operating Temp | –40°C to +85°C (industrial-grade A-spec), qualified per JEDEC JESD22-A104 |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA w/ RTC+LVD), SNOOZE (low-latency wake) |
Pinout & Package
Package: 64-pin LFQFP (10 × 10 mm, 0.50-mm pitch), RoHS-compliant, moisture sensitivity level 3 (MSL3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core/peripheral rail decoupling; supports 1.6–5.5 V operation |
| P00–P07 | General-purpose I/O port | Configurable as N-ch open-drain (6 V tolerant), TTL input, or pull-up; supports key interrupt |
| P10–P17 | Multi-function port | Includes SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00 - enables dual-role SPI/I²C/UART boot/debug |
| P20–P27 | Analog input port | ANI0–ANI7 with AVREFP/AVREFM references; supports 10-bit ADC conversion and temperature sensing |
| RESET | Reset input | Active-low reset with on-chip POR and programmable LVD (14 voltage levels) |
| CLKP/CLKN | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC; also accepts external clock source up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA in STOP mode with RTC + LVD active - enables multi-year battery life in sensor endpoints |
| Self-programmable flash | Boot swap and flash shield window enable secure firmware updates without external programmer |
| Background data flash | BGO allows full CPU execution from program memory while rewriting 8 KB data flash - no runtime interruption |
| Integrated RTC with calendar | 99-year calendar, alarm, and ±1 ppm clock correction - eliminates need for external RTC IC |
| Multi-protocol serial interface | CSI (SPI), UART/LIN, and I²C share pins and DMA resources - reduces BOM and PCB routing complexity |
| On-chip temperature sensor | Calibrated analog output referenced to internal 1.45 V - enables thermal monitoring without external components |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
Use Scenario: Battery-powered environmental sensor collecting temperature, humidity, and air quality data every 15 minutes. IC Role / Device Role / Timing Role: Main system controller executing sensor polling, ADC sampling, RTC-triggered wake-up, and low-power wireless transmission. Use Value: 0.57 μA STOP mode extends CR2032 battery life beyond 5 years; integrated temperature sensor and 10-bit ADC eliminate discrete analog front-end components. | Use Scenario: Residential HVAC controller managing heating/cooling cycles, user interface, and schedule-based operation. IC Role / Device Role / Timing Role: Real-time scheduler and peripheral manager handling keypad scan, display update, relay control, and precise time-of-day operations. Use Value: Calendar-mode RTC ensures accurate scheduling across power loss; 512 KB flash accommodates UI graphics, firmware updates, and logging buffers. |
| Programmable Logic Controller (PLC) I/O Module | Energy Meter Communication Hub |
Use Scenario: DIN-rail mounted I/O expansion module interfacing with digital inputs, analog sensors, and fieldbus networks. IC Role / Device Role / Timing Role: Peripheral interface aggregator with GPIO, ADC, UART (Modbus RTU), and LIN for local diagnostics. Use Value: 26-channel 10-bit ADC supports simultaneous analog channel acquisition; 1.6–5.5 V operation simplifies power design across diverse industrial rails. | Use Scenario: Smart meter concentrator aggregating consumption data from multiple meters via RS-485 and transmitting via NB-IoT. IC Role / Device Role / Timing Role: Protocol bridge and data buffer manager handling Modbus parsing, timestamping, and secure flash storage of billing intervals. Use Value: 8 KB data flash with 1M write cycles reliably stores 30 days of 15-minute interval data; BGO prevents communication stalls during flash writes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LLAFB#X0 | Identical silicon; differs only in packaging - embossed tape instead of tray (#V0) | Same functional use; selected for automated SMT line feed requirements | Choose #X0 for high-volume pick-and-place assembly; #V0 for prototyping or low-volume hand-soldering |
| R5F100MLAFB#V0 | Same 64-pin LFQFP package but with 384 KB flash, 24 KB RAM, and 8 KB data flash | Suitable where reduced code footprint suffices and cost optimization is prioritized | Select when application firmware fits within 384 KB and lower memory cost justifies trade-off vs. 512 KB headroom |
Compared with R5F100LLAFB#V0, the #X0 variant offers identical functionality in tape-and-reel form for production scalability, while R5F100MLAFB#V0 provides a cost-optimized alternative with 25% less flash and 25% less RAM - appropriate for mature firmware with fixed feature set and tighter BOM constraints.
Availability
R5F100LLAFB#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant manufacturing.
Supply support for R5F100LLAFB#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 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications - emphasizing energy efficiency, integrated peripherals, and simplified development.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100LLAFB#V0?
The R5F100LLAFB#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 under this condition. The device also supports ultra-low-speed operation down to 32.768 kHz (30.5 μs instruction time) for RTC and low-power monitoring tasks - all within the same R5F100LLAFB#V0 silicon.
Does the R5F100LLAFB#V0 support in-system programming and secure firmware updates?
Yes, the R5F100LLAFB#V0 supports full in-system programming via its on-chip debug interface and includes boot swap functionality plus flash shield window protection. These features allow authenticated firmware updates in the field without external programmers, and prevent unauthorized access to or modification of protected code flash regions - critical for maintaining integrity in deployed R5F100LLAFB#V0-based systems.
How many analog input channels does the R5F100LLAFB#V0 provide, and what is the ADC resolution?
The R5F100LLAFB#V0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels (ANI0–ANI25), selectable via dedicated SFRs. It includes internal reference voltage (1.45 V) and an on-chip temperature sensor usable in HS mode. All channels operate across the full 1.6–5.5 V supply range, enabling direct interfacing with diverse analog sensors without external signal conditioning in the R5F100LLAFB#V0 design.
What power-saving modes are available on the R5F100LLAFB#V0, and what is the lowest current draw?
The R5F100LLAFB#V0 offers HALT, STOP, and SNOOZE low-power modes. In STOP mode with only RTC and LVD active, it draws just 0.57 μA - verified across –40°C to +85°C. HALT mode consumes 66 μA/MHz, and SNOOZE enables fast wake-up from peripheral events while retaining RAM content. All modes are software-controllable and retain register state, making them ideal for intermittent operation in battery-powered R5F100LLAFB#V0 applications.
Is the R5F100LLAFB#V0 pin-compatible with other RL78/G13 family members in the same package?
Yes, the R5F100LLAFB#V0 shares identical pinout and electrical characteristics with all other 64-pin LFQFP variants in the RL78/G13 family (e.g., R5F100MLAFB#V0, R5F100KLAFB#V0), provided they use the FB suffix and same pin count. This allows hardware reuse across firmware variants - for example, upgrading from 384 KB to 512 KB flash requires only a BOM change, not PCB redesign, when using the same R5F100LLAFB#V0 footprint.
R5F100LLAFB#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:
- 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 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100LLAFB#V0 FAQ
1.How can I place an order for R5F100LLAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LLAFB#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 R5F100LLAFB#V0 reliable?
The price and inventory of R5F100LLAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LLAFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F100LLAFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LLAFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LLAFB#V0?
R5F100LLAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LLAFB#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 R5F100LLAFB#V0?
For technical support, including R5F100LLAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LLAFB#V0 requirements.
6.How does Aetrix verify that R5F100LLAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100LLAFB#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 R5F100LLAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F100LLAFB#V0?
All R5F100LLAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LLAFB#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 R5F100LLAFB#V0 part is unused and in its original packaging.
Return procedure for R5F100LLAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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